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Summary: Acidic, metal-coordinating catalytic segment for phosphate/diphosphate chemistry, firing primarily on the Nudix hydrolase signature (the Nudix box, E(x)7E(x)11EE) and secondarily on analogous E/D-rich motifs that bind Mg2+ and position pyrophosphate in related enzymes (e.g., IDI, PRPP/salvage enzymes) and DNA-...
Acidic, metal-coordinating catalytic segment for phosphate/diphosphate chemistry, firing primarily on the Nudix hydrolase signature (the Nudix box, E(x)7E(x)11EE) and secondarily on analogous E/D-rich motifs that bind Mg2+ and position pyrophosphate in related enzymes (e.g., IDI, PRPP/salvage enzymes) and DNA-processin...
Regional activation centered on short acidic stretches with strong residue-level peaks on catalytic Glu/Asp; in Nudix proteins the peak is typically near the N‑terminal Nudix box; spans range from single residues to a short loop/helix segment
Catalytic function
- Nudix hydrolases (MutT/NUDT1 8‑oxo‑dGTPase): activation on the conserved Nudix box that coordinates Mg2+ for diphosphatase activity - NAD‑capped RNA hydrolase (NudC): activation on the Nudix box that binds the NAD cap’s pyrophosphate - Viral mRNA decapping Nudix enzymes: activation on the Nudix signature that cleaves...
4,628,379
3.805359
13.757813
[ { "activation": 13.7578125, "uniref_id": "A0A1I5ZIT8" }, { "activation": 13.7109375, "uniref_id": "UPI002F91017D" }, { "activation": 13.6796875, "uniref_id": "A0A1G6BH86" }, { "activation": 13.640625, "uniref_id": "A0A7W7P4P0" }, { "activation": 13.6328125, "u...
[ { "activation": 11.051897048950195, "uniprot_id": "P45799" }, { "activation": 11.000073432922363, "uniprot_id": "A4WRA6" }, { "activation": 10.992526054382324, "uniprot_id": "D8KIT5" }, { "activation": 10.925203323364258, "uniprot_id": "Q9UKK9" }, { "activation": ...
[ 82, 334, 15309, 7546, 14504, 1546, 15772, 15444, 13061, 3365 ]
0.380352
1
Summary: Predominantly extracellular/secreted and cell-surface proteins with exposed, flexible low-complexity segments in the mature region (often Ser/Thr/Gly-rich or proteoglycan-like), frequently cysteine-rich; with a minority of metazoan lipid-binding proteins (including FABPs) that can be cytosolic Activation patte...
Predominantly extracellular/secreted and cell-surface proteins with exposed, flexible low-complexity segments in the mature region (often Ser/Thr/Gly-rich or proteoglycan-like), frequently cysteine-rich; with a minority of metazoan lipid-binding proteins (including FABPs) that can be cytosolic
Regional activation on extended contiguous stretches of exposed/disordered segments within the mature region—Gly/Thr-enriched repeats and Ser/Thr-rich O-glycosylated linkers when present, or flexible surface loops; weak in transmembranes and compact catalytic cores
Disorder
- Gram-positive adhesins and sortase-anchored cell-wall proteins: activation on Ser/Thr/Gly-rich repeat stalks between the signal peptide and LPXTG anchor - Type IV pilins and fimbrial/adhesin subunits: activation on extracellular low-complexity linker or repeat segments - Hemophores and iron-acquisition surface protei...
6,834,559
3.415573
18.828125
[ { "activation": 18.828125, "uniref_id": "A0A3M1ZTU0" }, { "activation": 18.328125, "uniref_id": "A0A956C9C0" }, { "activation": 18.203125, "uniref_id": "A0A6L3A521" }, { "activation": 18.03125, "uniref_id": "A0A952W8I6" }, { "activation": 18.03125, "uniref_id"...
[ { "activation": 12.867857933044434, "uniprot_id": "H8WEC0" }, { "activation": 11.957571029663086, "uniprot_id": "P9WI69" }, { "activation": 9.26235580444336, "uniprot_id": "O00834" }, { "activation": 7.776237487792969, "uniprot_id": "P46483" }, { "activation": 7.5...
[ 9518, 3158, 7101, 4124, 6534, 9879, 4894, 5095, 1267, 16078 ]
0.30678
2
Summary: Glycine-rich, acidic (Asp/Glu) and often histidine-bearing flexible capping/loop segments at the mouths of active sites or ligand-binding clefts that bind/position anionic cofactors or substrates (phosphate- or carboxylate-bearing; often Mg2+-assisted) and act as lids/gates across diverse folds; the same acidi...
Glycine-rich, acidic (Asp/Glu) and often histidine-bearing flexible capping/loop segments at the mouths of active sites or ligand-binding clefts that bind/position anionic cofactors or substrates (phosphate- or carboxylate-bearing; often Mg2+-assisted) and act as lids/gates across diverse folds; the same acidic Gly-ric...
Regional activation over contiguous mid-sequence blocks (≈15–50 residues), peaking on Gly clusters adjacent to Asp/Glu or His–Asp pairs; often one or a few such segments per protein
Ligand-binding site
- One‑carbon/folate enzymes (glycine cleavage T protein, folate‑linked demethylases, GAR transformylase/GART): activation on THF-binding/capping loops with Gly clusters and acidic residues that cradle the folate phosphate/carboxylates. - Purine biosynthesis AIRS/PurM and related enzymes: activation on β–α loops in the ...
9,601,427
3.075654
22.734375
[ { "activation": 22.734375, "uniref_id": "A0A4S2EWG0" }, { "activation": 22.703125, "uniref_id": "UPI0024BC8F7B" }, { "activation": 22.671875, "uniref_id": "A0A7X6UYK5" }, { "activation": 22.609375, "uniref_id": "A0A9D2INP9" }, { "activation": 22.578125, "unire...
[ { "activation": 21.305940628051758, "uniprot_id": "Q681Y3" }, { "activation": 20.359771728515625, "uniprot_id": "Q4FP21" }, { "activation": 19.548770904541016, "uniprot_id": "P48728" }, { "activation": 19.227611541748047, "uniprot_id": "Q9UI17" }, { "activation": ...
[ 6453, 353, 1933, 4121, 15196, 10049, 4215, 14972, 14024, 12232 ]
0.187933
3
Summary: Acidic, Ser/Thr-rich low-complexity segments on the non-lumenal side of membrane proteins—juxtamembrane loops and terminal tails that function as flexible regulatory/assembly and trafficking regions, often carrying phosphorylation sites and acidic motifs; typically disordered or only modestly structured, thoug...
Acidic, Ser/Thr-rich low-complexity segments on the non-lumenal side of membrane proteins—juxtamembrane loops and terminal tails that function as flexible regulatory/assembly and trafficking regions, often carrying phosphorylation sites and acidic motifs; typically disordered or only modestly structured, though sometim...
Regional activation across long contiguous stretches (≈20–50 aa), frequently multiple per protein, typically immediately flanking a transmembrane helix; strongest at clusters of Asp/Glu interspersed with Ser/Thr and Gly/Pro; minimal activation within hydrophobic transmembranes.
Membrane-associated
Viral Vpu: cytoplasmic acidic, serine-rich disordered C-terminal tail with phosphoserines; Mitochondrial calcium uniporter (MCU): acidic, partly helical/coiled C-terminal region directly after TM2 implicated in oligomerization/regulation; NADPH oxidase/DUOX/RBOH: cytosolic N-terminal regulatory segments enriched for ac...
26,165,785
2.073112
16.84375
[ { "activation": 16.84375, "uniref_id": "UPI00194225C9" }, { "activation": 16.609375, "uniref_id": "UPI0030DB5CEF" }, { "activation": 16.546875, "uniref_id": "A0A1R4JNN4" }, { "activation": 16.46875, "uniref_id": "UPI00048F70B9" }, { "activation": 16.34375, "un...
[ { "activation": 14.78911304473877, "uniprot_id": "Q75007" }, { "activation": 14.782535552978516, "uniprot_id": "P08806" }, { "activation": 14.743574142456055, "uniprot_id": "P19554" }, { "activation": 13.964645385742188, "uniprot_id": "Q1A244" }, { "activation": 1...
[ 5207, 13482, 8819, 4627, 15458, 10956, 11224, 11353, 4818, 6971 ]
0.435727
4
Summary: Intrinsically disordered, low‑complexity effector regions of metazoan transcriptional regulators and cofactors (activation/repression and cofactor‑binding segments), enriched in proline/serine/glutamine/glycine and PTM/SLiM hotspots, with little or no activation on folded DNA‑binding or SAM domains. Activation...
Intrinsically disordered, low‑complexity effector regions of metazoan transcriptional regulators and cofactors (activation/repression and cofactor‑binding segments), enriched in proline/serine/glutamine/glycine and PTM/SLiM hotspots, with little or no activation on folded DNA‑binding or SAM domains.
Broad, contiguous regional activation across long N‑ or C‑terminal IDRs (often hundreds of residues; low pLDDT), with occasional peaks at short helices/coils and known linear motifs or PTM clusters; near‑zero activation over structured domains such as POU/homeobox, HMG box, SAM, and other folded cores. PolyQ tracts may...
Disorder
- POU-class homeobox transcription factors (e.g., BRN2/POU3F2): strong activation on the N‑terminal low‑complexity activation region; inactive on POU‑specific and homeobox DNA‑binding domains. - TCF/LEF HMG box transcription factors (e.g., POP‑1): activation on the N‑terminal disordered regulatory region (includes phos...
4,760,752
3.77716
16.171875
[ { "activation": 16.171875, "uniref_id": "A0A9J7M6S5" }, { "activation": 16.0625, "uniref_id": "A0A7K6F9T6" }, { "activation": 16.03125, "uniref_id": "A0A7K8D2G4" }, { "activation": 16.015625, "uniref_id": "A0A8C0VFA7" }, { "activation": 15.984375, "uniref_id":...
[ { "activation": 15.344257354736328, "uniprot_id": "Q96NU1" }, { "activation": 15.296398162841797, "uniprot_id": "Q1RNF8" }, { "activation": 14.820014953613281, "uniprot_id": "P54259" }, { "activation": 14.220223426818848, "uniprot_id": "Q8R089" }, { "activation": ...
[ 1591, 6987, 6850, 7540, 10694, 3507, 6711, 11789, 10467, 5408 ]
0.347705
5
Summary: Intrinsically disordered regulatory regions of transcription factors—especially fungal TFs—composed of low‑complexity Ser/Thr/Pro- and Gln/Asn‑rich segments that host short linear regulatory motifs (e.g., SP/TP phosphorylation clusters, YPX[LI] interaction/processing motifs, degron/processing boxes, occasional...
Intrinsically disordered regulatory regions of transcription factors—especially fungal TFs—composed of low‑complexity Ser/Thr/Pro- and Gln/Asn‑rich segments that host short linear regulatory motifs (e.g., SP/TP phosphorylation clusters, YPX[LI] interaction/processing motifs, degron/processing boxes, occasional Lys/Arg‑...
Broad regional activation over long, low‑pLDDT IDRs flanking or trailing DNA‑binding domains; minimal/absent signal on structured DBDs. Superimposed residue‑level peaks at protease boxes/cleavage sites and other SLiMs within the IDRs. Often spans N‑ or C‑terminal tails and large internal regulatory stretches.
Disorder
pH‑response TF PacC/RIM101: strong activation across the C‑terminal inhibitory propeptide, including the signaling protease box, cleavage site, and YPX[LI] motifs; no activation on the N‑terminal C2H2 zinc fingers. Myb‑like transcription factors: activation on the C‑terminal disordered regulatory tail outside the Myb r...
6,227,829
3.508538
16.140625
[ { "activation": 16.140625, "uniref_id": "A0A367K883" }, { "activation": 16.046875, "uniref_id": "UPI0023007FF6" }, { "activation": 15.9921875, "uniref_id": "A0A1C7NB31" }, { "activation": 15.953125, "uniref_id": "I1BSX4" }, { "activation": 15.9296875, "uniref_...
[ { "activation": 14.969688415527344, "uniprot_id": "P78871" }, { "activation": 14.574922561645508, "uniprot_id": "P34233" }, { "activation": 13.977060317993164, "uniprot_id": "Q753Y2" }, { "activation": 13.935336112976074, "uniprot_id": "Q5A5Q6" }, { "activation": ...
[ 1170, 2673, 5705, 2655, 13464, 6773, 14292, 8500, 8979, 5727 ]
0.6411
6
Summary: Alpha-helical segments in transporter systems: predominantly hydrophobic transmembrane helices and adjacent loop–helix boundary motifs in multi-pass membrane proteins (EC 7 translocases; ABC and non-ABC) and 7TM receptors; also tolerates amphipathic helices within associated ABC ATPase (NBD) subunits Activatio...
Alpha-helical segments in transporter systems: predominantly hydrophobic transmembrane helices and adjacent loop–helix boundary motifs in multi-pass membrane proteins (EC 7 translocases; ABC and non-ABC) and 7TM receptors; also tolerates amphipathic helices within associated ABC ATPase (NBD) subunits
Regional activation across many segments per protein (multiple TMs); strong signal on long hydrophobic alpha-helices; residue-level peaks at loop→TM transitions (N/C caps), at Trp/Tyr interface positions, and at Ser/Thr/Gly within hydrophobic runs; occasional activation on amphipathic helices in cytosolic ABC NBDs
Membrane-associated
- ABC heavy‑metal tolerance transporters (permease/TMD): activation on TM helices and at cytoplasmic loop→TM starts within the ABC transmembrane type‑1 domain - Peptide antibiotic transporter SbmA: activation within a TM helix, at a periplasmic loop→TM transition, and on a periplasmic helical segment - Bacteriocin/pept...
11,381,374
2.905587
22.515625
[ { "activation": 22.515625, "uniref_id": "UPI001BD4A070" }, { "activation": 22.375, "uniref_id": "A0A6I3IVE1" }, { "activation": 22.375, "uniref_id": "A0AB36JQY9" }, { "activation": 22.375, "uniref_id": "UPI000A7DAC9B" }, { "activation": 22.328125, "uniref_id":...
[ { "activation": 21.230918884277344, "uniprot_id": "O07549" }, { "activation": 21.20414161682129, "uniprot_id": "P0AAG5" }, { "activation": 19.838315963745117, "uniprot_id": "Q0P9C4" }, { "activation": 19.750431060791016, "uniprot_id": "Q9X2W0" }, { "activation": 1...
[ 3128, 6489, 8166, 5625, 3594, 1527, 11268, 9427, 7943, 5789 ]
0.300471
7
Summary: Specific heptad-register signal in long alpha-helical coiled-coils: the feature marks one solvent-exposed position of the (abcdefg)n repeat (consistent with charged/polar e/g faces) across extended coiled-coil scaffolds common in eukaryotic cytoskeletal, centrosomal, nucleoporin, and endomembrane tether protei...
Specific heptad-register signal in long alpha-helical coiled-coils: the feature marks one solvent-exposed position of the (abcdefg)n repeat (consistent with charged/polar e/g faces) across extended coiled-coil scaffolds common in eukaryotic cytoskeletal, centrosomal, nucleoporin, and endomembrane tether proteins.
Residue-level sharp peaks recurring every 7 residues across long coiled-coil segments (often hundreds to >1000 aa); minimal in globular domains and unstructured regions unless they harbor latent coiled-coil propensity; activated residues are enriched for E/Q/K/R/S/T, consistent with a solvent-exposed coiled-coil face.
Structural motif
- Golgin-84 (Golgi tether): periodic peaks on the N-terminal cytosolic coiled-coil heptad register. - Restin homolog (cytoskeletal coiled-coil): continuous 7-residue–spaced peaks across the long C-terminal coiled-coil. - Cep290 (centrosomal/ciliary scaffold): heptad-pattern peaks throughout annotated coiled-coils and c...
9,479,694
3.088413
20.390625
[ { "activation": 20.390625, "uniref_id": "A0A850GJI8" }, { "activation": 20.359375, "uniref_id": "A0A2S9XEN9" }, { "activation": 20.109375, "uniref_id": "A0A956C7V5" }, { "activation": 19.9375, "uniref_id": "UPI0035D4CAA0" }, { "activation": 19.890625, "uniref_...
[ { "activation": 16.945043563842773, "uniprot_id": "Q9VJE5" }, { "activation": 16.81955909729004, "uniprot_id": "Q1D823" }, { "activation": 16.67233657836914, "uniprot_id": "I1RGD4" }, { "activation": 16.52066993713379, "uniprot_id": "O94488" }, { "activation": 16....
[ 10979, 14900, 11423, 534, 4316, 1650, 9, 8058, 14528, 931 ]
0.920796
8
Summary: Membrane-embedded transmembrane helical bundles of large multi-pass transporters/channels, with strongest preference for sterol/lipid-handling systems (sterol-sensing domain proteins and lipid exporters) and related multi-TM secretion/transport assemblies Activation pattern: Domain-/regional-level activation c...
Membrane-embedded transmembrane helical bundles of large multi-pass transporters/channels, with strongest preference for sterol/lipid-handling systems (sterol-sensing domain proteins and lipid exporters) and related multi-TM secretion/transport assemblies
Domain-/regional-level activation concentrated in long, contiguous hydrophobic segments corresponding to transmembrane helices; broad coverage across entire TM bundles (e.g., the 5-helix sterol-sensing domain and additional TM clusters), with minimal signal in luminal/cytosolic loops; in large eukaryotic proteins, acti...
Membrane-associated
- Sterol-sensing domain proteins (Dispatched/Patched/NPC1/SCAP): activation spans the SSD 5-TM unit and adjacent TM clusters that form sterol/lipid conduits - ABC lipid transporters (ABCA family): activation across both transmembrane domains (two ∼6-helix bundles), often strongest in the C-terminal TMD - Mycobacterial ...
4,040,523
3.941191
21.65625
[ { "activation": 21.65625, "uniref_id": "A0A852VXV7" }, { "activation": 21.125, "uniref_id": "A0A6V8CE66" }, { "activation": 20.984375, "uniref_id": "A0A5N9HZR9" }, { "activation": 20.875, "uniref_id": "A0A7M3ML86" }, { "activation": 20.71875, "uniref_id": "A0A...
[ { "activation": 19.143085479736328, "uniprot_id": "P9WJU7" }, { "activation": 18.018360137939453, "uniprot_id": "Q9VNJ5" }, { "activation": 18.008285522460938, "uniprot_id": "P9WJU5" }, { "activation": 17.91112518310547, "uniprot_id": "A0A0H3KP92" }, { "activation...
[ 11118, 3223, 14639, 5875, 268, 6389, 12486, 15465, 5428, 13715 ]
0.176626
9
Summary: Recognition of repetitive helical segments and hydrophobic/amphipathic motifs—most prominently the X/Y positions of collagen G–X–Y triple-helical repeats, but also contiguous hydrophobic alpha-helical transmembrane segments and proline/glycine-rich low-complexity stretches; predominant in secreted and membrane...
Recognition of repetitive helical segments and hydrophobic/amphipathic motifs—most prominently the X/Y positions of collagen G–X–Y triple-helical repeats, but also contiguous hydrophobic alpha-helical transmembrane segments and proline/glycine-rich low-complexity stretches; predominant in secreted and membrane proteins...
Regional activation over stretches: dense, domain-scale activation across collagenous triple-helix regions with zero or minimal signal on the invariant glycine (G) and peaks at X/Y (especially proline/hydrophobic residues); contiguous activation across single-pass or multi-pass transmembrane alpha-helices and amphipath...
Repeat
- Fibrillar collagens: strong activation along the triple-helical G–X–Y domain, peaking at X/Y positions (especially proline/hydroxyproline-like Y), with minimal signal on G. - Light-harvesting complex alpha subunits (photosynthetic bacteria): activation along their single transmembrane alpha-helix. - YhhN/TMEM86 lysop...
50,660,038
1.412428
8.367188
[ { "activation": 8.3671875, "uniref_id": "UPI002169DC94" }, { "activation": 8.359375, "uniref_id": "A0A352SCY4" }, { "activation": 8.3515625, "uniref_id": "U1S1F5" }, { "activation": 8.25, "uniref_id": "A0A973J484" }, { "activation": 8.1328125, "uniref_id": "A0...
[ { "activation": 6.0440354347229, "uniprot_id": "P86327" }, { "activation": 5.8930463790893555, "uniprot_id": "Q28487" }, { "activation": 5.683255195617676, "uniprot_id": "A0A182BSS4" }, { "activation": 5.659261703491211, "uniprot_id": "P29164" }, { "activation": 5...
[ 14900, 1650, 2304, 11423, 7, 8419, 4697, 6680, 4316, 10583 ]
0.371393
10
Summary: Specific transmembrane alpha‑helical segments of multi‑pass solute transporters/efflux pumps, especially DMT/EamA (SLC35 and plastidic phosphate/nucleotide‑sugar transporters) and mitochondrial carriers (SLC25), characterized by hydrophobic helices enriched in aromatic anchors and occasional helix‑kink residue...
Specific transmembrane alpha‑helical segments of multi‑pass solute transporters/efflux pumps, especially DMT/EamA (SLC35 and plastidic phosphate/nucleotide‑sugar transporters) and mitochondrial carriers (SLC25), characterized by hydrophobic helices enriched in aromatic anchors and occasional helix‑kink residues (Gly/Pr...
Regional activation concentrated on one or a few individual transmembrane helices per protein, appearing as long contiguous blocks within those helices; residue‑level peaks frequently at aromatic residues (W/Y/F) and sometimes at kink/packing residues (G/P, occasionally H); minimal activation in soluble domains or targ...
Membrane-associated
- Plastidic Xylulose‑5‑phosphate/phosphate translocator (pPT; DMT/EamA repeat carrier): strong activation on specific EamA-domain TM helices, with negligible signal on the chloroplast transit peptide and most other helices. - Bacterial guanidinium exporter (SMR family): primary activation on the C‑terminal part of TM2 ...
8,163,288
3.237918
25.8125
[ { "activation": 25.8125, "uniref_id": "J2RS97" }, { "activation": 25.796875, "uniref_id": "UPI00298D3AB3" }, { "activation": 25.796875, "uniref_id": "UPI00247630B0" }, { "activation": 25.765625, "uniref_id": "A0A2T5AXM6" }, { "activation": 25.71875, "uniref_id...
[ { "activation": 24.473054885864258, "uniprot_id": "D7A5Q8" }, { "activation": 24.180133819580078, "uniprot_id": "B0B8F4" }, { "activation": 23.602218627929688, "uniprot_id": "P0ADP5" }, { "activation": 23.49236488342285, "uniprot_id": "P46136" }, { "activation": 2...
[ 12225, 5037, 15380, 1370, 2596, 5846, 6816, 3258, 9479, 1930 ]
0.215546
11
Summary: Charge-rich, low-complexity linker and terminal segments—typically acidic (Asp/Glu-enriched) but also tolerating basic/His runs—that are flexible/disordered or weakly helical and lie outside catalytic cores; these extensions are common in subunits of large macromolecular assemblies (ribosome, F1-ATP synthase, ...
Charge-rich, low-complexity linker and terminal segments—typically acidic (Asp/Glu-enriched) but also tolerating basic/His runs—that are flexible/disordered or weakly helical and lie outside catalytic cores; these extensions are common in subunits of large macromolecular assemblies (ribosome, F1-ATP synthase, chaperone...
Regional activation across long, contiguous stretches, with a strong preference for C-terminal tails and inter-domain linkers; often lower predicted structural confidence (IDR-like), sometimes forming short/loose helices; little to no activation in compact catalytic cores.
Disorder
• Holliday junction branch migration protein RuvA: activation on the low-confidence flexible linker between domains II and III and into the C-terminal region. • Peptide deformylase: exclusive activation on the C-terminal tail/helix outside the catalytic/metal-binding core. • Ribosomal proteins and rRNA biogenesis fac...
9,059,907
3.133706
21.546875
[ { "activation": 21.546875, "uniref_id": "A0A923W9B7" }, { "activation": 21.390625, "uniref_id": "A0A975EJR3" }, { "activation": 21.296875, "uniref_id": "UPI003626A34D" }, { "activation": 21.28125, "uniref_id": "A0A4Q2YDQ8" }, { "activation": 21.265625, "uniref...
[ { "activation": 19.206684112548828, "uniprot_id": "P0AB28" }, { "activation": 17.867006301879883, "uniprot_id": "A0A1D6HQ92" }, { "activation": 17.418704986572266, "uniprot_id": "Q9LT27" }, { "activation": 11.9529447555542, "uniprot_id": "P56930" }, { "activation"...
[ 1500, 7847, 146, 1447, 15166, 1855, 1801, 11458, 11355, 7931 ]
0.256214
12
Summary: Long, low-complexity, intrinsically disordered terminal regions (often proline/glycine-rich) used as regulatory, adaptor-binding, and oligomerization segments that scaffold signaling and large macromolecular assemblies across taxa; these are strongly enriched in innate immune and microbial defense systems, but...
Long, low-complexity, intrinsically disordered terminal regions (often proline/glycine-rich) used as regulatory, adaptor-binding, and oligomerization segments that scaffold signaling and large macromolecular assemblies across taxa; these are strongly enriched in innate immune and microbial defense systems, but also occ...
Regional activation over tens to hundreds of residues, with a strong bias for N- or C-terminal stretches; frequently coincides with predicted disorder/low pLDDT and low-complexity composition; in some families, contiguous coverage includes the SEFIR/TIR module or the C-terminal catalytic lobe of nucleotidyl cyclases; t...
Disorder
- Interferon regulatory factors and other antiviral transcription factors: activation on disordered C-terminal transactivation/regulatory regions (e.g., IRF2/IRF3 C-termini), not the N-terminal DNA-binding domain. - TIR/SEFIR family (IL-17 receptors, ACT1; plant/bacterial TIR/Thoeris): activation on the cytosolic SEFIR...
7,143,808
3.371319
24.1875
[ { "activation": 24.1875, "uniref_id": "UPI002AF6C780" }, { "activation": 24.109375, "uniref_id": "UPI00360A451C" }, { "activation": 23.984375, "uniref_id": "UPI00363A6DC8" }, { "activation": 23.9375, "uniref_id": "A0A085ZFS2" }, { "activation": 23.890625, "uni...
[ { "activation": 20.718738555908203, "uniprot_id": "A0A2T5Y4G4" }, { "activation": 20.31635093688965, "uniprot_id": "A0A381HAP5" }, { "activation": 14.84177303314209, "uniprot_id": "Q833J1" }, { "activation": 8.529245376586914, "uniprot_id": "P0DXN8" }, { "activati...
[ 3730, 14537, 5460, 12817, 2641, 3028, 1286, 14688, 1567, 7154 ]
0.164847
13
Summary: Low-complexity, Ser/Thr/Pro-rich intrinsically disordered segments found in N-terminal tails, propeptides, targeting presequences (signal/transit peptides), and flexible linkers—serving as mucin-like O-glycosylated stalks in secreted/viral proteins, as phosphorylation/degron-rich regulatory regions in cytosoli...
Low-complexity, Ser/Thr/Pro-rich intrinsically disordered segments found in N-terminal tails, propeptides, targeting presequences (signal/transit peptides), and flexible linkers—serving as mucin-like O-glycosylated stalks in secreted/viral proteins, as phosphorylation/degron-rich regulatory regions in cytosolic protein...
Regional activation over contiguous clusters, typically starting near the N-terminus and spanning disordered tails/linkers/presequences; strong preference for S/T runs and SP/TP dipeptides; D/E and Gly frequently co-occur but are not required (transit peptides can be acidic-poor); low activation in well-folded cores bu...
Compositional bias
- Viral structural/attachment proteins: activation on Ser/Thr/Pro-rich mucin-like stalks and propeptides. - Integrin alpha subunits: activation on N-terminal prodomain/extracellular low-complexity segments. - Cystatins (stefins/type 2 cystatins): activation on flexible N-terminal segments and PEST-/PTS-like tracts. - C...
49,268,642
1.440277
14.296875
[ { "activation": 14.296875, "uniref_id": "A0A7X1F9E5" }, { "activation": 14.2734375, "uniref_id": "UPI0025EB4A01" }, { "activation": 14.2265625, "uniref_id": "UPI0013EA073C" }, { "activation": 14.21875, "uniref_id": "A0A0Q4KT97" }, { "activation": 14.2109375, "...
[ { "activation": 10.025796890258789, "uniprot_id": "P03630" }, { "activation": 9.904528617858887, "uniprot_id": "P14016" }, { "activation": 9.788032531738281, "uniprot_id": "P44853" }, { "activation": 9.748165130615234, "uniprot_id": "P03614" }, { "activation": 9.3...
[ 14228, 5157, 5301, 7807, 6038, 12564, 12631, 6763, 7270, 777 ]
0.372983
14
Summary: Terminus-proximal functional modules: the feature highlights a protein’s principal functional region—either the core of a folded domain or, in intrinsically disordered segments, embedded short linear interaction motifs—often at disorder-to-order boundaries and including catalytic/binding determinants (e.g., ac...
Terminus-proximal functional modules: the feature highlights a protein’s principal functional region—either the core of a folded domain or, in intrinsically disordered segments, embedded short linear interaction motifs—often at disorder-to-order boundaries and including catalytic/binding determinants (e.g., active-site...
Predominantly regional/domain-level activation in long contiguous blocks, frequently near a terminus; can split into several short segments within a domain; superimposed residue-level peaks at catalytic or binding residues; may extend into adjacent low-complexity coils when these harbor binding motifs
Domain
- Transcription-related regulator with large N-terminal IDR: activation confined to the structured C-terminal domain (ignores extensive disordered N-terminus) - Proteasome subunit DSS1/SEM1 (Rpn15): activation across disordered N-terminal ubiquitin-binding SLiMs (UBS I/II) within low-pLDDT regions - Photosystem II PsbP...
7,715,843
3.29429
22.203125
[ { "activation": 22.203125, "uniref_id": "A0A1C5HR93" }, { "activation": 22.1875, "uniref_id": "A0A0D1YAD5" }, { "activation": 22.140625, "uniref_id": "A0A5D0UYT9" }, { "activation": 22.125, "uniref_id": "A0A917VBP5" }, { "activation": 22.046875, "uniref_id": "...
[ { "activation": 19.772228240966797, "uniprot_id": "P30047" }, { "activation": 19.231605529785156, "uniprot_id": "Q12467" }, { "activation": 18.898269653320312, "uniprot_id": "Q14699" }, { "activation": 17.011259078979492, "uniprot_id": "Q96CX2" }, { "activation": ...
[ 8862, 7504, 1256, 2868, 6992, 15512, 15743, 15355, 7178, 9480 ]
0.143008
15
Summary: Intrinsically disordered, low‑complexity repeat and linker tracts (rich in Ser/Thr/Pro/Gly/Asn) that act as flexible stalks/spacers in secreted and cell‑surface proteins—especially in Gram‑positive bacteria—connecting or flanking structured modules (e.g., catalytic domains, LysM, NEAT, Ig‑like, CBMs) rather th...
Intrinsically disordered, low‑complexity repeat and linker tracts (rich in Ser/Thr/Pro/Gly/Asn) that act as flexible stalks/spacers in secreted and cell‑surface proteins—especially in Gram‑positive bacteria—connecting or flanking structured modules (e.g., catalytic domains, LysM, NEAT, Ig‑like, CBMs) rather than the fo...
Extended regional activation across very long, repetitive low‑complexity segments; strongest just after the signal peptide and in inter‑domain linkers/stalks; repeated activation between tandem domains; little to no activation on well‑folded domains.
Disorder
- Staphylococcal autolysins with LysM repeats: activation on the long N‑terminal disordered region around the signal peptide cleavage and on short glycine/low‑complexity linkers between LysM repeats; not on the catalytic or LysM domains. - MSCRAMM adhesins (e.g., clumping factors, Sdr family): activation on serine/aspa...
8,203,838
3.232963
19.796875
[ { "activation": 19.796875, "uniref_id": "UPI00290388ED" }, { "activation": 19.453125, "uniref_id": "UPI0022B78D87" }, { "activation": 19.4375, "uniref_id": "UPI0019057AE9" }, { "activation": 19.40625, "uniref_id": "UPI0028FF730E" }, { "activation": 19.390625, ...
[ { "activation": 18.24134063720703, "uniprot_id": "P0DJM0" }, { "activation": 17.992229461669922, "uniprot_id": "P16952" }, { "activation": 17.795677185058594, "uniprot_id": "P17953" }, { "activation": 17.07499885559082, "uniprot_id": "Q8Y3L4" }, { "activation": 16...
[ 14681, 14413, 12785, 10780, 4884, 11481, 9087, 6795, 9268, 6205 ]
0.285472
16
Summary: Detector for the mature cores of small, proteolytically processed and post‑translationally modified peptide effectors—especially RiPPs (lantibiotics, lasso peptides, thiopeptides, bacteriocins/pheromones)—and analogous cysteine‑rich toxin/effector segments. It responds to short Cys/Ser/Thr/Gly/Pro‑rich stretch...
Detector for the mature cores of small, proteolytically processed and post‑translationally modified peptide effectors—especially RiPPs (lantibiotics, lasso peptides, thiopeptides, bacteriocins/pheromones)—and analogous cysteine‑rich toxin/effector segments. It responds to short Cys/Ser/Thr/Gly/Pro‑rich stretches that h...
Strong, localized activation over short windows (tens of residues) that align with the mature peptide/core or a Cys‑centered modification motif; little to no activation on N‑terminal leaders/propeptides. Peaks typically start at or just after the cleavage site (often Gly/Gly or the first residue of the core) and center...
Post-translational modification
- Lantibiotic core peptides (lanthipeptides): activation spans the mature core containing dehydrated Ser/Thr and lanthionine/thioether crosslinks (e.g., flavovirin). - Lasso peptides: activation on the core beginning at the conserved Gly and covering the isopeptide bond and aromatic lock residues (e.g., Astexin‑1). - C...
9,672,609
3.068267
14.070313
[ { "activation": 14.0703125, "uniref_id": "A0AAE3R652" }, { "activation": 13.7734375, "uniref_id": "A0A512AU80" }, { "activation": 13.421875, "uniref_id": "A0A5M6CTI6" }, { "activation": 13.421875, "uniref_id": "UPI002665E1EF" }, { "activation": 13.265625, "uni...
[ { "activation": 9.594944953918457, "uniprot_id": "P29399" }, { "activation": 8.95433235168457, "uniprot_id": "P0DQL4" }, { "activation": 8.867847442626953, "uniprot_id": "P43683" }, { "activation": 8.629541397094727, "uniprot_id": "P29827" }, { "activation": 8.437...
[ 14993, 5563, 6258, 15924, 15052, 1472, 14495, 14008, 2765, 5171 ]
0.371451
17
Summary: Long, charge-enriched amphipathic α‑helical scaffolds and associated charged IDRs in eukaryotic peripheral‑membrane and cytosolic adaptor/scaffold proteins that bind extended polyanionic surfaces (acidic membranes, F‑actin, nucleic acids) or short cargo/peptide motifs, often in a Ca2+-regulated manner (e.g., a...
Long, charge-enriched amphipathic α‑helical scaffolds and associated charged IDRs in eukaryotic peripheral‑membrane and cytosolic adaptor/scaffold proteins that bind extended polyanionic surfaces (acidic membranes, F‑actin, nucleic acids) or short cargo/peptide motifs, often in a Ca2+-regulated manner (e.g., annexin‑li...
Predominantly long, domain‑spanning activation over helix‑rich cores (sometimes multiple blocks in multi‑domain proteins); compositionally enriched for mixed acidic/basic and aliphatic residues consistent with amphipathic helices; additionally, strong activation on extended charged, low‑pLDDT disordered tails (e.g., C‑...
Domain
- Annexins/annexin‑like: activation across the α‑helical annexin core repeats that mediate Ca2+‑dependent binding to acidic phospholipid membranes. - Actin cytoskeleton regulators (gelsolin/villin/flightless): activation over G‑domain helical bundles involved in Ca2+‑regulated actin and PIP2 interactions. - ADF‑H famil...
5,385,785
3.653802
21.15625
[ { "activation": 21.15625, "uniref_id": "A0A7S2BLQ7" }, { "activation": 21.03125, "uniref_id": "A0A914GTJ6" }, { "activation": 21.015625, "uniref_id": "A0A6G0RV74" }, { "activation": 20.921875, "uniref_id": "A0A5N4C1A1" }, { "activation": 20.84375, "uniref_id":...
[ { "activation": 18.699111938476562, "uniprot_id": "P17063" }, { "activation": 18.567176818847656, "uniprot_id": "Q9NFS4" }, { "activation": 18.163284301757812, "uniprot_id": "C0HJG9" }, { "activation": 17.720613479614258, "uniprot_id": "P08133" }, { "activation": ...
[ 1216, 8405, 14937, 3499, 1334, 3236, 7147, 4917, 15961, 3725 ]
0.23308
18
Summary: Feature for secretory/organellar precursors and membrane-associated catalytic proteins; strongest in intramembrane proteases and signal peptidases. Also detects lipid‑modifying enzymes via short Gly/Asp/His/Cys catalytic motifs; in soluble enzymes it fires primarily on conserved Gly/Asp-centered active-site lo...
Feature for secretory/organellar precursors and membrane-associated catalytic proteins; strongest in intramembrane proteases and signal peptidases. Also detects lipid‑modifying enzymes via short Gly/Asp/His/Cys catalytic motifs; in soluble enzymes it fires primarily on conserved Gly/Asp-centered active-site loops (e.g....
- Enrichment in transmembrane helices, but broad, high-coverage activation is typical mainly for signal peptidases and intramembrane proteases; in other membrane proteins (channels/transporters, ZDHHC, single-pass anchors) activation is patchy/modest and dominated by local motifs. - Superimposed residue-level peaks at ...
Catalytic function
- Intramembrane metalloproteases (Site-2): TM-bundle activation with a peak on the HEXXH motif. - Rhomboid serine proteases: multiple TMs with a spike at the GxSxG catalytic motif. - Signal/processing peptidases: stronger TM/signal-peptide activation with peaks at the Ser/Lys catalytic region. - Sortase cysteine transp...
6,829,442
3.416322
22.8125
[ { "activation": 22.8125, "uniref_id": "A0A257NHU8" }, { "activation": 22.78125, "uniref_id": "A0A7J5Z2Y1" }, { "activation": 22.5, "uniref_id": "A0A5J9TZD1" }, { "activation": 22.484375, "uniref_id": "A0A7J7DWT2" }, { "activation": 22.390625, "uniref_id": "UPI...
[ { "activation": 20.38900375366211, "uniprot_id": "Q84VZ6" }, { "activation": 20.13740348815918, "uniprot_id": "Q8H0W1" }, { "activation": 19.897932052612305, "uniprot_id": "Q6AZD4" }, { "activation": 19.28263282775879, "uniprot_id": "Q9M9Z2" }, { "activation": 18....
[ 1392, 14764, 8179, 15060, 10014, 5644, 2571, 2251, 3322, 13658 ]
0.158307
19
Summary: Glycine- and acidic-residue–rich catalytic/RNA-contacting loop of pseudouridine synthases (TruB/Cbf5, TruA, Rlu/RsuA families)—centered on the universally conserved catalytic Asp and adjacent His/Pro-containing flexible segments that insert into tRNA/rRNA—with spillover to analogous gly-rich acidic loops in ot...
Glycine- and acidic-residue–rich catalytic/RNA-contacting loop of pseudouridine synthases (TruB/Cbf5, TruA, Rlu/RsuA families)—centered on the universally conserved catalytic Asp and adjacent His/Pro-containing flexible segments that insert into tRNA/rRNA—with spillover to analogous gly-rich acidic loops in other trans...
Primarily regional/domain-level activation across the mid-protein catalytic core (often ~100–300 aa), forming long contiguous stretches; superimposed residue-level peaks at short Gly clusters and acidic residues (Asp/Glu), frequently with nearby His and Pro
Catalytic function
- tRNA pseudouridine(55) synthases (TruB/Cbf5; including H/ACA RNP dyskerin and plant organellar forms): strong activation over the catalytic core; peaks on the gly/acidic loop bearing the invariant catalytic Asp - tRNA pseudouridine synthases of the TruA family (Ψ at positions 38–40): activation on the central catalyt...
7,901,980
3.270452
27.34375
[ { "activation": 27.34375, "uniref_id": "A0A848TBN9" }, { "activation": 27.265625, "uniref_id": "A0A6M1MK21" }, { "activation": 27.265625, "uniref_id": "UPI0027AFE26A" }, { "activation": 27.25, "uniref_id": "A0A433RZC6" }, { "activation": 27.234375, "uniref_id"...
[ { "activation": 25.621471405029297, "uniprot_id": "Q3ECD0" }, { "activation": 25.19823455810547, "uniprot_id": "Q9ZDR7" }, { "activation": 25.124401092529297, "uniprot_id": "P0AA39" }, { "activation": 25.050342559814453, "uniprot_id": "Q9UJJ7" }, { "activation": 2...
[ 13816, 15277, 7873, 9001, 7075, 8918, 10277, 11317, 5990, 9799 ]
0.172951
20
Summary: Anion-binding and metal-coordination hotspots: His/Cys- and basic-residue clusters (often with glycine-rich loops) that contact polyanionic ligands (DNA/RNA backbones, nucleotide/cofactor phosphates, PIP2, or carboxylates) and/or chelate divalent metals; also encompassing acidic Asp/Glu metal-ligating motifs (...
Anion-binding and metal-coordination hotspots: His/Cys- and basic-residue clusters (often with glycine-rich loops) that contact polyanionic ligands (DNA/RNA backbones, nucleotide/cofactor phosphates, PIP2, or carboxylates) and/or chelate divalent metals; also encompassing acidic Asp/Glu metal-ligating motifs (e.g., DDE...
Mixed motif- and region-level activation: sharp residue-level peaks on His, Cys, Lys/Arg, hallmark Asn, and acidic Asp/Glu in metal sites; short motif-centered hits (HNH/HUH, DDE/DEDD, DxD/HxH, Cys–His–Asp triads, glycine-rich phosphate-binding loops); and occasional multi–secondary-structure patches within allosteric/...
Ligand-binding site
- HMG-box transcription factors (SOX/TCF/LEF/SRY): single conserved Asn in the HMG box that makes minor-groove/phosphate contacts on DNA - Viral DNA replication/packaging proteins and transposases (HUH and DDE/DEDD families, incl. PiggyBac-derived): catalytic metal-ligating motifs and adjacent basic DNA-binding patches...
4,869,681
3.754537
19.78125
[ { "activation": 19.78125, "uniref_id": "UPI0039C9E739" }, { "activation": 19.59375, "uniref_id": "A0AAD7CN84" }, { "activation": 19.5, "uniref_id": "A0A661QMK7" }, { "activation": 19.375, "uniref_id": "A0A939AR37" }, { "activation": 19.359375, "uniref_id": "A0...
[ { "activation": 12.821662902832031, "uniprot_id": "P09504" }, { "activation": 8.276521682739258, "uniprot_id": "P0DJ29" }, { "activation": 7.536351203918457, "uniprot_id": "Q8N328" }, { "activation": 7.478774547576904, "uniprot_id": "Q46731" }, { "activation": 7.4...
[ 15217, 15231, 9887, 9798, 2998, 11623, 7363, 1371, 7864, 15063 ]
0.248923
21
Summary: Charged, low-complexity intrinsically disordered segments and flexible loops (often N- or C-terminal tails or inter-domain linkers) that frequently flank catalytic/nucleic-acid–binding modules and that sometimes contain short, family-defining motif signatures (e.g., VQ, CGPF, conserved Gly). Activation pattern...
Charged, low-complexity intrinsically disordered segments and flexible loops (often N- or C-terminal tails or inter-domain linkers) that frequently flank catalytic/nucleic-acid–binding modules and that sometimes contain short, family-defining motif signatures (e.g., VQ, CGPF, conserved Gly).
Primarily regional activation on long contiguous, K/R/E/D/S/P-enriched low-complexity stretches (often low pLDDT) at termini or domain boundaries; supplemented by sharp residue-level peaks on short conserved motifs embedded in loops. Structured catalytic cores are generally weak, with occasional minor peaks near domain...
Disorder
- FAN1 nuclease: strong activation in a long C-terminal segment immediately before the VRR-NUC domain and in an N-terminal disordered region; minor peaks within UBZ4 zinc finger and near the VRR-NUC boundary. - Lipoyl synthase (LipA/LIP1): activation confined to the disordered N-terminal tail; Radical SAM core not acti...
6,763,834
3.425975
15.234375
[ { "activation": 15.234375, "uniref_id": "UPI00386AB7CA" }, { "activation": 15.203125, "uniref_id": "UPI002603F0C4" }, { "activation": 15.15625, "uniref_id": "UPI00298E17AB" }, { "activation": 15.140625, "uniref_id": "A0A7U0G8X4" }, { "activation": 15.1328125, ...
[ { "activation": 4.793050765991211, "uniprot_id": "D1KF50" }, { "activation": 4.717825412750244, "uniprot_id": "Q06683" }, { "activation": 3.961649179458618, "uniprot_id": "Q5FBC3" }, { "activation": 3.8135745525360107, "uniprot_id": "Q9UIS9" }, { "activation": 3.6...
[ 5582, 12416, 10990, 16230, 5892, 623, 6517, 14670, 10161, 10980 ]
0.638608
22
Summary: Glycine-rich phosphate- or other oxyanion–binding loops that anchor nucleotides, phosphorylated ligands, or acidic/oxyanion moieties—covering Walker A/P‑loop (GxxxxGKT/S), Rossmann-like TGxGGxG, and analogous phosphate/pyrophosphate-binding motifs—across ATP/NAD/ADP‑ribose binders, kinases, and sugar‑phosphate...
Glycine-rich phosphate- or other oxyanion–binding loops that anchor nucleotides, phosphorylated ligands, or acidic/oxyanion moieties—covering Walker A/P‑loop (GxxxxGKT/S), Rossmann-like TGxGGxG, and analogous phosphate/pyrophosphate-binding motifs—across ATP/NAD/ADP‑ribose binders, kinases, and sugar‑phosphate enzymes,...
Predominantly regional/domain-level activation centered on glycine-rich oxyanion/phosphate-binding loops and their flanking β‑strand/α‑helix elements; residue-level peaks at conserved Lys/Thr/His that contact oxyanions (e.g., Walker A Lys). Often spans long continuous stretches that include substrate-binding residues.
Ligand-binding site
- Amino-acid kinases (glutamate 5-kinase/N-acetylglutamate kinase; AAK family): activation on the P-loop glycine-rich segment and adjacent helix, peaking at the Walker A Lys. - Nucleoside monophosphate kinases (UMPK/UMP‑CMP kinase): activation on the canonical TGGxGGKT Walker A motif and neighboring secondary structure...
7,302,172
3.349393
19.09375
[ { "activation": 19.09375, "uniref_id": "A0A8S9H1Z6" }, { "activation": 18.796875, "uniref_id": "A0A7X7DXJ2" }, { "activation": 18.359375, "uniref_id": "UPI0031CF682C" }, { "activation": 18.3125, "uniref_id": "UPI0035A69BAE" }, { "activation": 18.046875, "unire...
[ { "activation": 16.081117630004883, "uniprot_id": "Q9T0I8" }, { "activation": 15.63368034362793, "uniprot_id": "P27711" }, { "activation": 15.62169361114502, "uniprot_id": "Q09117" }, { "activation": 14.905155181884766, "uniprot_id": "Q5SKT7" }, { "activation": 14...
[ 2261, 12454, 1740, 3955, 5324, 1523, 2245, 12742, 11371, 15027 ]
0.292435
23
Summary: Solvent-exposed, non-transmembrane regions of membrane-associated and secreted proteins, with a bias toward ectodomains/periplasmic or lumenal surfaces and flexible linkers immediately outside single-pass anchors; additionally includes certain soluble enzyme cores (e.g., CHI-like). In transporters, activation ...
Solvent-exposed, non-transmembrane regions of membrane-associated and secreted proteins, with a bias toward ectodomains/periplasmic or lumenal surfaces and flexible linkers immediately outside single-pass anchors; additionally includes certain soluble enzyme cores (e.g., CHI-like). In transporters, activation targets e...
Regional activation across soluble ectodomains/catalytic cores of extracytosolic or lumenal proteins and selected soluble enzymes; focused patches on coil/turn-rich linkers proximal to transmembrane helices; residue-level peaks over His clusters in cytosolic or lumenal loops; little to no activation in transmembrane he...
Membrane-associated
- Gram-positive sortases: activation over the extracellular catalytic beta-barrel domain, not the membrane anchor or sorting signals - Peptidoglycan/cell-envelope enzymes (e.g., transglycosylases, endopeptidases): broad activation across their secreted/periplasmic catalytic cores - Flagellar basal body L-ring proteins ...
5,077,939
3.71266
28.828125
[ { "activation": 28.828125, "uniref_id": "A0A7H1MLE3" }, { "activation": 28.8125, "uniref_id": "A0A0R2JJ55" }, { "activation": 28.8125, "uniref_id": "D5T0N0" }, { "activation": 28.78125, "uniref_id": "A0A1X0VFY1" }, { "activation": 28.75, "uniref_id": "UPI00195...
[ { "activation": 24.592893600463867, "uniprot_id": "Q9XA15" }, { "activation": 24.52631950378418, "uniprot_id": "Q2FV99" }, { "activation": 23.261489868164062, "uniprot_id": "P94587" }, { "activation": 22.854164123535156, "uniprot_id": "Q8Y8H5" }, { "activation": 2...
[ 454, 6463, 6679, 8380, 6100, 14720, 11686, 8032, 15790, 5438 ]
0.145607
24
Summary: Zinc-dependent deaminase catalytic domain (cytidine-deaminase–like fold) characterized by the HxE catalytic pair and a Cys–Cys zinc-binding motif, spanning nucleic acid and nucleotide deaminases (e.g., APOBEC/AID, ADAR/ADAT/TAD, dCMP/dCTP deaminases, RibD/DRAP) and also present in deaminase-like pseudoenzymes ...
Zinc-dependent deaminase catalytic domain (cytidine-deaminase–like fold) characterized by the HxE catalytic pair and a Cys–Cys zinc-binding motif, spanning nucleic acid and nucleotide deaminases (e.g., APOBEC/AID, ADAR/ADAT/TAD, dCMP/dCTP deaminases, RibD/DRAP) and also present in deaminase-like pseudoenzymes
Domain-level activation across the structured deaminase core, typically forming a long contiguous segment with residue-level peaks at the HxE catalytic pair and nearby cysteines of the Zn2+-binding motif; little to no activation in non-catalytic accessory domains (e.g., dsRBDs); position in sequence varies by family (N...
Domain
- ADAR RNA editases: strong activation over the C-terminal deaminase catalytic domain, not over N-terminal dsRNA-binding motifs (as in adr-1) - tRNA adenosine deaminases (ADAT/TAD2/3): activation on the catalytic subunits’ deaminase fold that edits A34 in tRNA - APOBEC/AID DNA cytidine deaminases and the bacterial toxi...
5,494,234
3.633866
24.28125
[ { "activation": 24.28125, "uniref_id": "UPI0039EC45A4" }, { "activation": 23.6875, "uniref_id": "A0A139ASA6" }, { "activation": 23.34375, "uniref_id": "A0AAD8DIP1" }, { "activation": 23.265625, "uniref_id": "A0A9X0A215" }, { "activation": 23.265625, "uniref_id...
[ { "activation": 21.464881896972656, "uniprot_id": "Q8BMD5" }, { "activation": 21.171945571899414, "uniprot_id": "Q8TWU6" }, { "activation": 20.43832778930664, "uniprot_id": "F4KH86" }, { "activation": 20.432058334350586, "uniprot_id": "P16006" }, { "activation": 2...
[ 9669, 596, 1859, 11055, 15435, 6226, 14042, 12351, 6365, 5503 ]
0.175682
25
Summary: Soluble non-cytosolic domains of exported or imported proteins (periplasmic, extracellular, organellar lumen or intermembrane space), i.e., the mature regions adjacent to a targeting segment (signal peptide/lipobox, transit peptide, or signal anchor); enriched in cell-wall–acting hydrolases and Zn-dependent me...
Soluble non-cytosolic domains of exported or imported proteins (periplasmic, extracellular, organellar lumen or intermembrane space), i.e., the mature regions adjacent to a targeting segment (signal peptide/lipobox, transit peptide, or signal anchor); enriched in cell-wall–acting hydrolases and Zn-dependent metalloprot...
Regional activation across these non-cytosolic soluble domains with multiple residue-level peaks (often at D/E, H, and turn-forming G/P); little to no activation within targeting peptides, transmembrane helices, or cytosolic tails; occasional weak peaks at membrane boundaries; many discrete hotspots rather than a singl...
Membrane-associated
- Bacterial cell-wall remodeling enzymes (M23/M15 metallopeptidases, NlpC/P60 amidases, lysozymes; DD-peptidases/carboxypeptidases), including large periplasmic catalytic domains even when C-terminal to a single-pass signal anchor (class A/B PBPs) - Phage/viral endolysins and tail-associated muralytic enzymes: activati...
55,342,115
1.324031
12.5625
[ { "activation": 12.5625, "uniref_id": "A0A966XK13" }, { "activation": 11.671875, "uniref_id": "A0A418QGQ5" }, { "activation": 11.578125, "uniref_id": "A0A519GW71" }, { "activation": 11.546875, "uniref_id": "UPI0005B48A2B" }, { "activation": 11.4921875, "uniref...
[ { "activation": 9.488694190979004, "uniprot_id": "Q8N119" }, { "activation": 9.383010864257812, "uniprot_id": "P66948" }, { "activation": 9.344228744506836, "uniprot_id": "P96499" }, { "activation": 9.297102928161621, "uniprot_id": "Q9I2F1" }, { "activation": 9.16...
[ 10227, 15327, 29, 11248, 3940, 8841, 10985, 1121, 9838, 7625 ]
0.410387
26
Summary: Membrane-embedded α‑helical bundles that form conduits across membranes—predominantly cation channels and cation/proton or Na+/H+ exchangers—together with analogous multi‑pass helical modules of membrane enzymes (NOX/ferric reductases and processive polysaccharide synthases). The feature captures long hydropho...
Membrane-embedded α‑helical bundles that form conduits across membranes—predominantly cation channels and cation/proton or Na+/H+ exchangers—together with analogous multi‑pass helical modules of membrane enzymes (NOX/ferric reductases and processive polysaccharide synthases). The feature captures long hydrophobic trans...
Domain-level regional activation across extended clusters of transmembrane helices and short perimembrane loops (one long contiguous block). Peaks on hydrophobic TM residues with intermittent Gly/Pro helix breakers; often includes signal peptides and signal-anchor helices in secretory/membrane-targeted proteins.
Membrane-associated
- TRPM/TRP cation channels: activation over the S1–S6 pore-forming TM bundle including the pore helix/selectivity region. - Cation/H+ and Na+/H+ antiporters (CPA/NHE families; NhaA/SOS1): activation across the 10–12 TM transport core with characteristic Gly/Pro-kinked helices. - Potassium homeostasis systems (Trk/Ktr/K...
4,829,212
3.762882
19.3125
[ { "activation": 19.3125, "uniref_id": "A0A8X7N108" }, { "activation": 19.25, "uniref_id": "V8P804" }, { "activation": 19.234375, "uniref_id": "M7BGZ4" }, { "activation": 19.234375, "uniref_id": "A0A7S3Z0I3" }, { "activation": 19.203125, "uniref_id": "A0AAN9YU8...
[ { "activation": 18.40638542175293, "uniprot_id": "Q9BXP2" }, { "activation": 18.1925048828125, "uniprot_id": "P55011" }, { "activation": 17.78297996520996, "uniprot_id": "O60146" }, { "activation": 17.55760955810547, "uniprot_id": "P34261" }, { "activation": 17.49...
[ 15758, 11654, 7422, 7972, 2570, 10638, 14634, 5473, 15669, 7248 ]
0.208779
27
Summary: Residue-level signature of catalytic and energy-coupling elements of molecular machines, predominantly ATP/GTP-dependent, with strongest expression in P-type ATPases; it highlights small/hydrophobic and acidic/polar residues that form nucleotide/Mg2+-binding and catalytic loops (e.g., Gly/Thr/Asp in Walker/swi...
Residue-level signature of catalytic and energy-coupling elements of molecular machines, predominantly ATP/GTP-dependent, with strongest expression in P-type ATPases; it highlights small/hydrophobic and acidic/polar residues that form nucleotide/Mg2+-binding and catalytic loops (e.g., Gly/Thr/Asp in Walker/switch or P-...
Residue-level peaks dispersed across structured catalytic cores and selected transmembrane helices rather than a single contiguous motif; enriched at catalytic Asp residues (e.g., P-type DKTGT/TGES region), Gly/Thr near nucleotide-binding/switch loops, and Mg2+-liganding Asp/Glu; biased toward A/V/I/L/G plus D/T/S; spa...
Catalytic function
- P-type heavy-metal ATPases (e.g., Cu-exporting P1B pumps): peaks on the P-domain catalytic Asp and adjacent Gly/Thr, Mg2+-binding acidic residues in the cytosolic catalytic core, and selected transmembrane residues (including metal-binding Cys) along the ion pathway. - P4-ATPase phospholipid flippases: strong activat...
53,586,781
1.356263
9.609375
[ { "activation": 9.609375, "uniref_id": "A0A976HGE6" }, { "activation": 9.546875, "uniref_id": "A0A2E8XGS5" }, { "activation": 9.546875, "uniref_id": "A0A966ENK1" }, { "activation": 9.53125, "uniref_id": "A0A963TQ78" }, { "activation": 9.5078125, "uniref_id": "...
[ { "activation": 8.264577865600586, "uniprot_id": "Q9HV55" }, { "activation": 8.139707565307617, "uniprot_id": "P37107" }, { "activation": 8.137439727783203, "uniprot_id": "P10121" }, { "activation": 8.13724136352539, "uniprot_id": "Q726P7" }, { "activation": 8.128...
[ 15762, 15055, 10594, 15880, 14586, 10752, 13563, 719, 12341, 1326 ]
0.397506
28
Summary: Acidic/histidine‑enriched, beta‑strand–rich ligand/metal‑binding domains—most prominently jelly‑roll/β‑roll/DSBH cores (cupin and 2‑oxoglutarate oxygenases) and CNBD/CNBHD modules—plus extended zinc‑finger repeat regions; the feature tracks the domain‑level context around binding pockets that use His/Asp/Glu (...
Acidic/histidine‑enriched, beta‑strand–rich ligand/metal‑binding domains—most prominently jelly‑roll/β‑roll/DSBH cores (cupin and 2‑oxoglutarate oxygenases) and CNBD/CNBHD modules—plus extended zinc‑finger repeat regions; the feature tracks the domain‑level context around binding pockets that use His/Asp/Glu (and nearb...
Domain‑level activation across long contiguous stretches covering β‑core sheets and adjacent loops; strongest where His/Asp/Glu and aromatic (W/Y) residues cluster around metal/anionic‑ligand sites. In zinc‑finger arrays, activation spans the repeat region but shows consistent dips at Zn‑coordinating cysteines.
Domain
- JmjC 2‑oxoglutarate/Fe(II) oxygenases: activation over the DSBH catalytic core surrounding the Hx(D/E)…H metal‑binding motif and 2‑OG pocket. - Cupin‑family dioxygenases (acireductone dioxygenase, 3‑hydroxyanthranilate dioxygenase): activation across the cupin β‑barrel with His/Glu metal‑ligating triads and aromatic‑...
19,882,249
2.347738
12.109375
[ { "activation": 12.109375, "uniref_id": "UPI00374E65C2" }, { "activation": 12.1015625, "uniref_id": "UPI000DF8098E" }, { "activation": 12.0859375, "uniref_id": "A0A5C7MAU4" }, { "activation": 12.046875, "uniref_id": "A0A9P3VL88" }, { "activation": 12.015625, "...
[ { "activation": 9.615205764770508, "uniprot_id": "D4GU69" }, { "activation": 8.902103424072266, "uniprot_id": "Q9XC60" }, { "activation": 8.845661163330078, "uniprot_id": "Q2U6D4" }, { "activation": 8.743637084960938, "uniprot_id": "Q9NWT6" }, { "activation": 8.50...
[ 3616, 8041, 6937, 6292, 10526, 11592, 11495, 4525, 10035, 2200 ]
0.443568
29
Summary: Residues within well‑ordered beta‑strands of beta‑sheet–rich folds—especially beta‑sandwich/jellyroll and beta‑propeller domains—used broadly in extracellular lectin‑like modules and intracellular scaffolds; in secreted beta‑sandwiches (e.g., pentraxins), the peaks often include disulfide‑bearing cysteines and...
Residues within well‑ordered beta‑strands of beta‑sheet–rich folds—especially beta‑sandwich/jellyroll and beta‑propeller domains—used broadly in extracellular lectin‑like modules and intracellular scaffolds; in secreted beta‑sandwiches (e.g., pentraxins), the peaks often include disulfide‑bearing cysteines and adjacent...
Domain‑focused, residue‑level peaks clustered along multiple beta‑strands (DSSP E) inside a single domain (PTX, LNS, SPRY, catalytic beta‑propeller), with high structural confidence and little activation in loops/helices; typically not centered on catalytic residues but on structural strands, sometimes highlighting dis...
Structural motif
Sialidases/neuraminidases: multiple beta‑strands in the catalytic beta‑propeller, excluding the active site and BNR repeats; Exolysin/toxin catalytic domains: contiguous beta‑strands within the C‑terminal catalytic region; Pentraxins (C‑reactive protein; adhesion GPCR N‑terminal PTX domain): disulfide‑forming cysteines...
39,567,746
1.659551
18.234375
[ { "activation": 18.234375, "uniref_id": "A0A9D6TGD8" }, { "activation": 18.21875, "uniref_id": "G8PDL0" }, { "activation": 18.109375, "uniref_id": "A0A968NPK9" }, { "activation": 18.03125, "uniref_id": "A0A9D6FRP1" }, { "activation": 17.9375, "uniref_id": "X1D...
[ { "activation": 15.67428970336914, "uniprot_id": "F4JD14" }, { "activation": 15.566536903381348, "uniprot_id": "P85088" }, { "activation": 15.449434280395508, "uniprot_id": "Q45914" }, { "activation": 15.234633445739746, "uniprot_id": "Q9LCC0" }, { "activation": 1...
[ 1529, 5391, 10227, 3940, 25, 11248, 5011, 8841, 13255, 7625 ]
0.386591
30
Summary: N-terminal ligand-binding lobe of clamshell/alpha–beta domains, most strongly the periplasmic substrate-binding protein (SBP) fold used by bacterial ABC importers—especially Zn2+-chelate ZnuA/AdcA—recognizing the post–signal peptide binding domain and its histidine/tyrosine-lined metal-coordination environment...
N-terminal ligand-binding lobe of clamshell/alpha–beta domains, most strongly the periplasmic substrate-binding protein (SBP) fold used by bacterial ABC importers—especially Zn2+-chelate ZnuA/AdcA—recognizing the post–signal peptide binding domain and its histidine/tyrosine-lined metal-coordination environment; weaker ...
Predominantly domain-level, long contiguous activation starting immediately after a signal peptide in exported/periplasmic proteins and spanning much of the mature binding domain; residue-level peaks at metal-coordinating His/Tyr loops in zinc SBPs. In non-SBP families, bias toward N-terminal binding/catalytic subdomai...
Domain
- Periplasmic metal-chelate SBPs (ZnuA/AdcA/TroA-like): strong activation across both lobes of the Venus-flytrap binding domain right after the signal peptide; peaks on His/Tyr metal-binding motifs. - Other periplasmic SBPs (sugar/amino acid/ion-binding): activation across the SBP clamshell domain following the signal ...
4,632,615
3.804444
25.171875
[ { "activation": 25.171875, "uniref_id": "A0A2Z6MAC1" }, { "activation": 25.109375, "uniref_id": "A0A438INM6" }, { "activation": 24.96875, "uniref_id": "A0A453J6L8" }, { "activation": 24.921875, "uniref_id": "Q10SK0" }, { "activation": 24.859375, "uniref_id": "...
[ { "activation": 19.738725662231445, "uniprot_id": "P37028" }, { "activation": 19.676124572753906, "uniprot_id": "P44206" }, { "activation": 18.321266174316406, "uniprot_id": "Q7A652" }, { "activation": 18.312828063964844, "uniprot_id": "P0AEL6" }, { "activation": ...
[ 10293, 981, 10345, 1320, 898, 6528, 15648, 12045, 12156, 923 ]
0.171932
31
Summary: Conserved Ig-like domain signature around the intradomain disulfide: the Y–x–C (often Y–T–C) motif and adjacent loop/β-strand region (F-strand/FG loop in Ig numbering) in extracellular V-set and C2-set immunoglobulin folds across IgSF receptors, ligands, and viral Ig mimics Activation pattern: Repeated, short ...
Conserved Ig-like domain signature around the intradomain disulfide: the Y–x–C (often Y–T–C) motif and adjacent loop/β-strand region (F-strand/FG loop in Ig numbering) in extracellular V-set and C2-set immunoglobulin folds across IgSF receptors, ligands, and viral Ig mimics
Repeated, short residue-level peaks in each Ig-like domain of multi-Ig proteins; maxima sit on or just N-terminal to the conserved cysteine that forms the intradomain disulfide, commonly at a Tyr–x–Cys triad and neighboring residues. Peaks fall in the loop-to-β transition or the β-strand itself, often preceded by an ac...
Sequence motif
- Siglecs (e.g., sialic acid-binding Ig-like lectins): sharp peaks in the N-terminal V-set ligand-binding domain and analogous positions in downstream C2 domains near the disulfide-proximal YxC motif. - Fc receptor-like proteins: peaks on the C2-set β-strand immediately N-terminal to the disulfide cysteine within each ...
23,895,508
2.163875
25.890625
[ { "activation": 25.890625, "uniref_id": "A0A815XUP8" }, { "activation": 25.78125, "uniref_id": "A0A8S2ELV5" }, { "activation": 25.671875, "uniref_id": "A0AAW0N773" }, { "activation": 25.65625, "uniref_id": "A0A8C4W6J6" }, { "activation": 25.65625, "uniref_id":...
[ { "activation": 24.995285034179688, "uniprot_id": "Q86VR7" }, { "activation": 24.963459014892578, "uniprot_id": "Q61790" }, { "activation": 24.92469596862793, "uniprot_id": "A6QQC6" }, { "activation": 24.890798568725586, "uniprot_id": "P97546" }, { "activation": 2...
[ 169, 586, 2016, 4385, 284, 5689, 4956, 1663, 4357, 14936 ]
0.659352
32
Summary: Extracytoplasmic (periplasmic/lumen-facing) domains of exported and lipoprotein factors that assemble, remodel, or scaffold the bacterial cell envelope and analogous organellar membranes (chloroplast thylakoid lumen, mitochondrial inner-membrane/IMS), spanning peptidoglycan enzymes, outer-/inner-membrane and f...
Extracytoplasmic (periplasmic/lumen-facing) domains of exported and lipoprotein factors that assemble, remodel, or scaffold the bacterial cell envelope and analogous organellar membranes (chloroplast thylakoid lumen, mitochondrial inner-membrane/IMS), spanning peptidoglycan enzymes, outer-/inner-membrane and flagellar ...
Regional activation across multiple noncontiguous segments of the extracytoplasmic domain, concentrated in acidic, turn-prone loop regions that contact partners/substrates; weak on transmembrane helices or cytosolic tails; sometimes includes residues near signal peptide/lipobox or periplasm-exposed ring/PG‑binding surf...
Membrane-associated
- SPFH-domain scaffolds (prohibitin/stomatin/HflK/C): activation on large periplasmic/lumenal scaffold domains between the single-pass TM anchor and coiled-coil regions. - Gram-positive sortases (A/C): activation on extracellular catalytic-domain loops and the substrate (LPXTG) binding groove. - Flagellar basal-body co...
42,458,206
1.589045
11.742188
[ { "activation": 11.7421875, "uniref_id": "A0A3M5FN00" }, { "activation": 11.7109375, "uniref_id": "UPI002E27F85A" }, { "activation": 11.578125, "uniref_id": "A0A3C1HEW5" }, { "activation": 11.5703125, "uniref_id": "A0A6P2ALU8" }, { "activation": 11.515625, "un...
[ { "activation": 10.091876029968262, "uniprot_id": "P86220" }, { "activation": 9.846056938171387, "uniprot_id": "Q7BHL7" }, { "activation": 9.82711124420166, "uniprot_id": "P0ABC7" }, { "activation": 9.683174133300781, "uniprot_id": "P96499" }, { "activation": 9.55...
[ 1569, 3936, 9836, 6692, 5942, 11548, 8531, 6136, 13000, 16160 ]
0.446869
33
Summary: N-terminal alpha-helical segment—most often a signal peptide/signal-anchor H-region, but also the first amphipathic/packing helix of soluble proteins; the helix can be hydrophobic or amphipathic. Activation pattern: Regional activation concentrated near the N-terminus (typically within residues 1–40), forming ...
N-terminal alpha-helical segment—most often a signal peptide/signal-anchor H-region, but also the first amphipathic/packing helix of soluble proteins; the helix can be hydrophobic or amphipathic.
Regional activation concentrated near the N-terminus (typically within residues 1–40), forming contiguous runs over hydrophobic residues (Leu, Val, Ile, Phe, Ala) with occasional Gly; window length varies (short helices to ~20–25 aa H-regions).
Post-translational modification
- Plant non-specific lipid transfer proteins/allergens: activation on the N-terminal signal peptide H-region (hydrophobic core and small residues near the cleavage site) - Bacterial anti-sigma factor regulators: activation on their single-pass transmembrane signal-anchor helix (position varies, often C-terminal) or on ...
105,565,458
0.678234
10.476563
[ { "activation": 10.4765625, "uniref_id": "A0A517QUZ9" }, { "activation": 10.40625, "uniref_id": "A0A517SN96" }, { "activation": 10.390625, "uniref_id": "UPI00135836BE" }, { "activation": 10.375, "uniref_id": "A0A9X3MM99" }, { "activation": 10.3671875, "uniref_...
[ { "activation": 8.88333511352539, "uniprot_id": "E6Z0R4" }, { "activation": 8.373893737792969, "uniprot_id": "P32727" }, { "activation": 8.139012336730957, "uniprot_id": "P62279" }, { "activation": 8.064634323120117, "uniprot_id": "G1SP51" }, { "activation": 7.996...
[ 11972, 12000, 9464, 14028, 16158, 934, 12877, 14046, 2568, 2344 ]
0.189999
34
Summary: A structural-propensity feature for long, helix-poor, extended segments—preferentially β‑strand/turn–rich blocks enriched in small hydrophobic residues and glycine (often with Gly repeats), and in some cases extended low‑complexity repeat tracts (e.g., P/S/Y‑rich CTDs)—that occur as contiguous stretches within...
A structural-propensity feature for long, helix-poor, extended segments—preferentially β‑strand/turn–rich blocks enriched in small hydrophobic residues and glycine (often with Gly repeats), and in some cases extended low‑complexity repeat tracts (e.g., P/S/Y‑rich CTDs)—that occur as contiguous stretches within large en...
Regional activation over long contiguous blocks (often multiple per protein), with residue‑level peaks within β‑strands and adjacent turns; also activates on extended low‑complexity repeat regions (e.g., polymerase CTDs).
Structural motif
- Aconitate hydratase/aconitase: extended β‑sheet core segments. - 2‑methyl‑aconitate isomerase (branched‑chain/leucine pathway): β‑strand blocks in the structured core (e.g., 136–179 and 349–377; peak near V152). - Isopropylmalate isomerase/homoaconitase: β‑strand–rich regions within the catalytic core. - NAD(P)HX deh...
23,212,093
2.192892
10.96875
[ { "activation": 10.96875, "uniref_id": "UPI00345A80B8" }, { "activation": 10.8671875, "uniref_id": "A0A2M7T9C7" }, { "activation": 10.859375, "uniref_id": "UPI0019448001" }, { "activation": 10.796875, "uniref_id": "A0A523RMF1" }, { "activation": 10.7734375, "u...
[ { "activation": 9.491840362548828, "uniprot_id": "P36683" }, { "activation": 9.358195304870605, "uniprot_id": "P20004" }, { "activation": 9.18800163269043, "uniprot_id": "O04916" }, { "activation": 9.127878189086914, "uniprot_id": "P21399" }, { "activation": 8.982...
[ 537, 7145, 3480, 9628, 6650, 394, 12267, 2130, 7618, 1433 ]
0.493338
35
Summary: Mature extracellular/secreted ectodomains of secretory‑pathway proteins (soluble secreted factors and the lumenal portions of surface‑anchored proteins), activating immediately downstream of the signal peptide and covering the long folded/exported region while avoiding the signal peptide, transmembrane segment...
Mature extracellular/secreted ectodomains of secretory‑pathway proteins (soluble secreted factors and the lumenal portions of surface‑anchored proteins), activating immediately downstream of the signal peptide and covering the long folded/exported region while avoiding the signal peptide, transmembrane segments, cytoso...
Domain‑level activation across long, contiguous segments starting just after the signal peptide; strong over the main extracellular/ecto domain (including glycosylation‑site–bearing loops and repeat‑rich regions), with little to no activation on the N‑terminal signal peptide, transmembrane helices, propeptide/anchor pe...
Domain
- Trypanosome variant surface glycoproteins (VSGs): high activation across the mature folded ectodomain; none on the N‑terminal signal peptide or the C‑terminal GPI‑attachment/propeptide. - Oomycete RxLR effectors: activation over the secreted effector domain following the signal peptide and host‑targeting motif. - Yea...
7,364,068
3.340953
15.6875
[ { "activation": 15.6875, "uniref_id": "UPI0025E72676" }, { "activation": 15.6640625, "uniref_id": "UPI0025DAEAAD" }, { "activation": 15.5703125, "uniref_id": "UPI0020CF409D" }, { "activation": 15.484375, "uniref_id": "A0AAE7M7F2" }, { "activation": 15.4296875, ...
[ { "activation": 10.62155532836914, "uniprot_id": "O34344" }, { "activation": 10.285271644592285, "uniprot_id": "Q07337" }, { "activation": 6.760920524597168, "uniprot_id": "P0DXF3" }, { "activation": 6.385785102844238, "uniprot_id": "P19837" }, { "activation": 5.9...
[ 7747, 16264, 12604, 8222, 6282, 70, 12890, 4854, 2693, 14390 ]
0.431377
36
Summary: RNA pseudouridine synthases (EC 5.4.99.-) across TruA/TruB/RsuA/RluA/TruD/Pus10/RPUSD families, with strong representation of organelle-targeted (mitochondrial/chloroplast) enzymes; the feature recognizes the conserved pseudouridine synthase catalytic core and associated RNA‑binding surfaces, with secondary, w...
RNA pseudouridine synthases (EC 5.4.99.-) across TruA/TruB/RsuA/RluA/TruD/Pus10/RPUSD families, with strong representation of organelle-targeted (mitochondrial/chloroplast) enzymes; the feature recognizes the conserved pseudouridine synthase catalytic core and associated RNA‑binding surfaces, with secondary, weaker act...
Predominantly domain-level activation spanning the pseudouridine synthase catalytic fold (including the catalytic Asp-containing loop and adjacent RNA-binding elements); in eukaryotic organelle precursors, long N‑terminal stretches (transit peptides) are additionally activated; weaker, sparse activation occurs in some ...
Domain
- TruB-family tRNA Ψ55 synthases — strong activation across catalytic core and RNA-binding subdomains - TruA-family tRNA Ψ38–40 synthases — strong domain-level activation of the PUS core - RsuA-family 16S rRNA Ψ516 synthases — activation over the conserved catalytic domain - RluA/RluB/RluC rRNA/tRNA pseudouridine synth...
5,393,523
3.652366
25.640625
[ { "activation": 25.640625, "uniref_id": "UPI00203E9948" }, { "activation": 25.28125, "uniref_id": "I0YKT8" }, { "activation": 25.234375, "uniref_id": "Q00TL6" }, { "activation": 25.234375, "uniref_id": "A0A9D1Q228" }, { "activation": 25.234375, "uniref_id": "A...
[ { "activation": 23.756132125854492, "uniprot_id": "Q9LT72" }, { "activation": 23.640893936157227, "uniprot_id": "Q9SVS0" }, { "activation": 23.410980224609375, "uniprot_id": "Q06244" }, { "activation": 23.372941970825195, "uniprot_id": "Q9ZDR7" }, { "activation": ...
[ 9212, 14151, 11755, 12214, 9209, 3102, 3235, 5463, 13071, 12544 ]
0.152207
37
Summary: Short, basic/aromatic recognition patches (often a short α-helix plus adjacent loop) that form ligand-binding interface “hot spots,” typically engaging phosphate-rich nucleotides/nucleic acids or ring-rich peptides via electrostatic and stacking contacts; frequently include histidines and acidic residues near ...
Short, basic/aromatic recognition patches (often a short α-helix plus adjacent loop) that form ligand-binding interface “hot spots,” typically engaging phosphate-rich nucleotides/nucleic acids or ring-rich peptides via electrostatic and stacking contacts; frequently include histidines and acidic residues near R/K and Y...
Regional activation on short (≈8–20 aa) contiguous segments, with residue-level peaks at R/K/H and Y/W (often alongside E/D). Multiple discrete patches can occur within one protein and can appear at N-termini, internal segments, or C-termini, commonly mapping to short helices or helix-capping loops at binding interface...
Ligand-binding site
- Cyclic di-GMP enzymes (GGDEF diguanylate cyclases and EAL/HD-GYP phosphodiesterases): activation on short interface segments such as the GGDEF I-site (RxxD/adjacent helix) and EAL/HD-GYP catalytic/recognition loops that contact c-di-GMP via basic and aromatic residues. - HTH-type transcriptional regulators: recogniti...
18,634,876
2.41253
16.640625
[ { "activation": 16.640625, "uniref_id": "A0A3A6NAY8" }, { "activation": 16.59375, "uniref_id": "A0A432S2R5" }, { "activation": 16.578125, "uniref_id": "A0A1P8US95" }, { "activation": 16.515625, "uniref_id": "UPI0033418C64" }, { "activation": 16.515625, "uniref...
[ { "activation": 13.19797420501709, "uniprot_id": "P37671" }, { "activation": 13.107840538024902, "uniprot_id": "Q6XL52" }, { "activation": 12.712759971618652, "uniprot_id": "P42968" }, { "activation": 12.100174903869629, "uniprot_id": "P75990" }, { "activation": 1...
[ 12698, 2943, 11202, 5865, 1386, 6163, 3344, 868, 11123, 14878 ]
0.50222
38
Summary: Intrinsic, short, N‑terminal disordered tails of RNA polymerase sigma-factor systems—i.e., the unstructured pro/targeting segments immediately preceding the conserved sigma domains—most strongly in bacterial sigma factors (especially ECF, but also primary, sporulation, and flagellar) and also in related anti‑s...
Intrinsic, short, N‑terminal disordered tails of RNA polymerase sigma-factor systems—i.e., the unstructured pro/targeting segments immediately preceding the conserved sigma domains—most strongly in bacterial sigma factors (especially ECF, but also primary, sporulation, and flagellar) and also in related anti‑sigma regu...
Residue-level peaks at the extreme N terminus (often at M1 and the next ~5–15 residues), with occasional additional hits on short internal low‑pLDDT coil segments; little to no activation over folded sigma domains (RNAP‑binding region 2, HTH region 4). Enrichment in Actinobacteria and Firmicutes; weaker, sporadic activ...
Disorder
- ECF sigma factors: activation on the short unstructured N‑terminal tail preceding region 2; conserved core (σ2/σ4) not activated. - Sporulation sigma factors (e.g., SigE/SigK/SigH): activation on N‑terminal pro‑peptides or disordered N‑terminal extensions; no signal on core DNA/RNAP‑binding motifs. - Flagellar sigma ...
4,247,500
3.891235
17.328125
[ { "activation": 17.328125, "uniref_id": "A0A953XDQ1" }, { "activation": 16.59375, "uniref_id": "UPI0033390725" }, { "activation": 16.59375, "uniref_id": "UPI003336E983" }, { "activation": 16.09375, "uniref_id": "UPI00333A34D8" }, { "activation": 16.078125, "un...
[ { "activation": 14.225525856018066, "uniprot_id": "Q9WX11" }, { "activation": 12.36990737915039, "uniprot_id": "O53590" }, { "activation": 12.1463623046875, "uniprot_id": "P9WGG7" }, { "activation": 11.01025390625, "uniprot_id": "P9WGG9" }, { "activation": 10.3246...
[ 442, 10621, 9516, 6420, 4154, 16048, 7394, 12558, 4142, 3427 ]
0.228913
39
Summary: Eukaryotic low-complexity regulatory/interaction regions—intrinsically disordered or semi-structured activation/repression domains and auxiliary co-regulatory modules (typically acidic and/or S/T/Q/P/Gly-rich) that lie outside compact DNA-binding or catalytic cores; includes defined modules such as the C-termi...
Eukaryotic low-complexity regulatory/interaction regions—intrinsically disordered or semi-structured activation/repression domains and auxiliary co-regulatory modules (typically acidic and/or S/T/Q/P/Gly-rich) that lie outside compact DNA-binding or catalytic cores; includes defined modules such as the C-terminal DMA d...
Long, regional activation over continuous segments (often mid-to-C-terminal), frequently with multiple non-contiguous blocks per protein; avoids structured DNA-binding/catalytic domains; favors low-complexity IDRs with occasional helical substructure.
Interaction site
- DMRT (Doublesex/Mab-3) transcription factors: strong activation over the C-terminal DMA regulatory domain; the N-terminal DM DNA-binding zinc module is not activated. - Zinc-finger transcription factors (e.g., C2H2 and GATA types, including fungal PacC/Rim101): activation on acidic/Q-/P-/S-rich activation or repressi...
10,700,821
2.967245
15.273438
[ { "activation": 15.2734375, "uniref_id": "A0A1E3HAG4" }, { "activation": 15.1015625, "uniref_id": "K0KUE6" }, { "activation": 15.09375, "uniref_id": "A0A1E3IVS5" }, { "activation": 15.0390625, "uniref_id": "A0AAD6KET2" }, { "activation": 15, "uniref_id": "A0A5...
[ { "activation": 13.898374557495117, "uniprot_id": "Q9UTM0" }, { "activation": 13.638506889343262, "uniprot_id": "Q2QX40" }, { "activation": 13.385465621948242, "uniprot_id": "Q0WT24" }, { "activation": 13.084635734558105, "uniprot_id": "Q12433" }, { "activation": ...
[ 6065, 2834, 8740, 14783, 1572, 2614, 6284, 2442, 11199, 5318 ]
0.351868
40
Summary: Alpha-helical transmembrane segments of multi-pass integral membrane proteins—predominantly transporters (permeases, efflux pumps/flippases, ABC/MFS/MATE, nucleotide‑sugar carriers) but also embedded membrane enzymes involved in glyco-/lipid processing (e.g., ArnT, PMTs)—capturing generic TM helices rather tha...
Alpha-helical transmembrane segments of multi-pass integral membrane proteins—predominantly transporters (permeases, efflux pumps/flippases, ABC/MFS/MATE, nucleotide‑sugar carriers) but also embedded membrane enzymes involved in glyco-/lipid processing (e.g., ArnT, PMTs)—capturing generic TM helices rather than substra...
Residue-level peaks confined to multiple transmembrane alpha-helices per protein; strongest on hydrophobic/small polar residues (A, V, I, L, F, M, G, S, T), with occasional peaks at aromatic, Pro, or charged “interface/snorkeling” or re-entrant/periplasmic helical positions; little to no activation in loops or disorder...
Membrane-associated
- Wzx family O-antigen flippase: peaks across several TM helices with an additional peak in a short periplasmic helix connecting TMs. - General alpha‑glucoside permease (PTS IIC-like): sharp, sparse peaks on single residues within TM helices; none in extra-membranous regions. - MATE multidrug/toxin efflux transporter: ...
49,763,480
1.430284
16.90625
[ { "activation": 16.90625, "uniref_id": "A0A024SEM1" }, { "activation": 16.4375, "uniref_id": "A0A7Y4R5N8" }, { "activation": 16.296875, "uniref_id": "UPI002DD98315" }, { "activation": 16.109375, "uniref_id": "A0A7Y4R6G6" }, { "activation": 16, "uniref_id": "A0...
[ { "activation": 13.663755416870117, "uniprot_id": "P77377" }, { "activation": 13.644752502441406, "uniprot_id": "P0AAA7" }, { "activation": 13.50279712677002, "uniprot_id": "P68183" }, { "activation": 13.460926055908203, "uniprot_id": "O32273" }, { "activation": 1...
[ 4452, 1956, 551, 9383, 9501, 4801, 142, 13969, 15227, 2224 ]
0.439164
41
Summary: Cytochrome P450 (CYP) heme‑thiolate monooxygenases: the feature encodes the P450 catalytic fold and redox apparatus (heme‑binding cysteine motif and surrounding helices) typical of membrane/mitochondrial CYPs across animals, plants, fungi, and bacteria, with occasional weaker cross‑activation on other oxidativ...
Cytochrome P450 (CYP) heme‑thiolate monooxygenases: the feature encodes the P450 catalytic fold and redox apparatus (heme‑binding cysteine motif and surrounding helices) typical of membrane/mitochondrial CYPs across animals, plants, fungi, and bacteria, with occasional weaker cross‑activation on other oxidative metabol...
Predominantly domain‑level activation spanning most of the P450 globular catalytic domain (typical 450–600 aa), with peaks over conserved elements such as the heme‑ligating cysteine motif and K‑helix ExxR region; frequent additional activation on N‑terminal targeting/anchoring segments of microsomal/mitochondrial CYPs....
Domain
- Drug/xenobiotic‑metabolizing microsomal CYPs (e.g., CYP3A/CYP2 families): broad activation across the catalytic domain including the heme‑binding cysteine region and N‑terminal ER anchor - Animal steroidogenic CYPs (mitochondrial/ER; e.g., CYP11/17/19/21): strong domain‑level activation plus targeting/anchor segments...
7,224,914
3.36003
22.515625
[ { "activation": 22.515625, "uniref_id": "A0A9J5XKK2" }, { "activation": 22.28125, "uniref_id": "A0AAV9EBD1" }, { "activation": 21.59375, "uniref_id": "A0A2S7PYN3" }, { "activation": 21.59375, "uniref_id": "A0A8J2JQF2" }, { "activation": 21.578125, "uniref_id":...
[ { "activation": 18.777347564697266, "uniprot_id": "Q6TBX7" }, { "activation": 18.71338653564453, "uniprot_id": "Q93VK5" }, { "activation": 18.710779190063477, "uniprot_id": "Q8N1L4" }, { "activation": 18.478954315185547, "uniprot_id": "Q9LMM1" }, { "activation": 1...
[ 2672, 7753, 8377, 9256, 3393, 8379, 8165, 9404, 10644, 737 ]
0.261508
42
Summary: Short, highly charged (often acidic) intrinsically disordered tails or linkers—most commonly C‑terminal—that function as linear interaction modules for assembling and regulating large bacterial macromolecular complexes (divisome, ribosome/SRP/translocase, envelope/secretion/motility) and nucleic‑acid–processin...
Short, highly charged (often acidic) intrinsically disordered tails or linkers—most commonly C‑terminal—that function as linear interaction modules for assembling and regulating large bacterial macromolecular complexes (divisome, ribosome/SRP/translocase, envelope/secretion/motility) and nucleic‑acid–processing machine...
Regional activation on one contiguous, tens‑of‑residues charged segment (low hydrophobicity), most often internal or C‑terminal; long multidomain proteins can show multiple independent charged‑IDR segments
Compositional bias
- FtsZ and divisome partners: activation on the short acidic C‑terminal peptide (CTP) used to recruit FtsA/ZipA and many regulators - SRP receptor FtsY: activation on the acidic, low‑complexity A‑domain/linker adjoining the NG GTPase core - SecA (protein translocase ATPase): activation on the acidic C‑terminal tail tha...
35,021,829
1.781594
13.109375
[ { "activation": 13.109375, "uniref_id": "UPI00279E2586" }, { "activation": 13.0234375, "uniref_id": "A0A921FLR5" }, { "activation": 12.9921875, "uniref_id": "UPI00285B50B6" }, { "activation": 12.9609375, "uniref_id": "A0A841R1Z9" }, { "activation": 12.953125, ...
[ { "activation": 12.259014129638672, "uniprot_id": "Q8CY87" }, { "activation": 11.947818756103516, "uniprot_id": "F9ULM5" }, { "activation": 10.90685749053955, "uniprot_id": "Q11CP3" }, { "activation": 10.611907958984375, "uniprot_id": "P77173" }, { "activation": 1...
[ 8686, 12927, 3985, 13990, 9345, 6243, 10744, 8389, 14045, 11584 ]
0.307991
43
Summary: Catalytic cores of transferase enzymes with a strong primary signal for eukaryotic protein kinases (especially tyrosine kinases) and the N-glycosylation oligosaccharyltransferase STT3/AglB/PglB family; the feature also secondarily activates on other small‑group transferases (e.g., Golgi glycosyltransferases, w...
Catalytic cores of transferase enzymes with a strong primary signal for eukaryotic protein kinases (especially tyrosine kinases) and the N-glycosylation oligosaccharyltransferase STT3/AglB/PglB family; the feature also secondarily activates on other small‑group transferases (e.g., Golgi glycosyltransferases, wall teich...
Domain-level activation across catalytic cores with residue-level peaks on hallmark motifs (HRD/DFG/APE and activation‑loop Tyr pairs in kinases; WWDYG in OST). Similar core-focused activation is seen in other transferases (e.g., MT-A70 methyltransferases around the DPPW catalytic region; glyco-/phosphotransferases aro...
Catalytic function
- Receptor and cytosolic tyrosine kinases (EGFR/ErbB, PDGFR/VEGFR/FGFR, insulin receptor; Src/Abl/FAK/JAK): activation across the cytosolic kinase domain with peaks at HRD, DFG, APE, and activation-loop YxY. - Viral transforming kinases and pseudokinase-like receptors (v-Src/v-Abl; ROR/RYK): fold-level activation of th...
43,622,473
1.561993
16.09375
[ { "activation": 16.09375, "uniref_id": "K0FCU0" }, { "activation": 15.7421875, "uniref_id": "UPI00288E8561" }, { "activation": 15.5703125, "uniref_id": "UPI0037F2EEAD" }, { "activation": 15.5078125, "uniref_id": "UPI001F07B497" }, { "activation": 15.4921875, "...
[ { "activation": 13.828811645507812, "uniprot_id": "B1MM06" }, { "activation": 11.964616775512695, "uniprot_id": "Q8BJQ9" }, { "activation": 11.707620620727539, "uniprot_id": "Q5DTK1" }, { "activation": 10.736298561096191, "uniprot_id": "Q24488" }, { "activation": ...
[ 7161, 8294, 791, 8013, 15104, 3872, 8011, 2197, 12058, 891 ]
0.382333
44
Summary: Glycine-rich FAD pyrophosphate–binding loop (GxGxxG) and the adjoining β1–α1–β2 segment of the FAD-binding domain shared across flavoenzymes, including monooxygenases, amine/acid oxidases, flavin-dependent halogenases, FNR-like reductases, and tRNA-modifying flavoenzymes; and, in a minority of cases, structura...
Glycine-rich FAD pyrophosphate–binding loop (GxGxxG) and the adjoining β1–α1–β2 segment of the FAD-binding domain shared across flavoenzymes, including monooxygenases, amine/acid oxidases, flavin-dependent halogenases, FNR-like reductases, and tRNA-modifying flavoenzymes; and, in a minority of cases, structurally analo...
Regional activation over 20–60 residues centered on a small-residue–rich (often di-/tri-gly) phosphate-binding–like loop frequently flanked by basic residues; typically near the N-terminus of PHBH-/FMO-/BVMO-like enzymes, but in mid-chain in many FNR/disulfide reductases; in eukaryotic organelle-targeted proteins, ofte...
Ligand-binding site
- Class A FAD-dependent monooxygenases (p-hydroxybenzoate hydroxylase–like), including flavin-dependent halogenases: activation on the N-terminal GxGxxG loop and adjacent α1 helix that binds FAD’s pyrophosphate - Baeyer–Villiger monooxygenases (e.g., CHMO-type): activation on the canonical glycine-rich FAD-binding loop...
9,190,425
3.119403
25.71875
[ { "activation": 25.71875, "uniref_id": "A0A8J3B4F0" }, { "activation": 25.53125, "uniref_id": "A0A2V4P1A4" }, { "activation": 25.453125, "uniref_id": "UPI0031DB6E87" }, { "activation": 25.421875, "uniref_id": "UPI00054B12A2" }, { "activation": 25.40625, "unire...
[ { "activation": 23.334749221801758, "uniprot_id": "Q4WD43" }, { "activation": 23.210174560546875, "uniprot_id": "Q2U5I0" }, { "activation": 23.047279357910156, "uniprot_id": "Q4JA33" }, { "activation": 23.04450225830078, "uniprot_id": "F2JXJ2" }, { "activation": 2...
[ 8383, 3588, 9024, 14488, 7627, 12522, 5176, 12538, 6026, 5220 ]
1.059644
45
Summary: Extended, non‑catalytic interaction/assembly segments in eukaryotic proteins—typically long, compositionally biased tracts (e.g., FG‑repeat and S/T/P/Q‑rich low‑complexity IDRs) or elongated helical stalk/coiled‑coil regions—used for transport selectivity, transcriptional regulation, or oligomeric assembly rat...
Extended, non‑catalytic interaction/assembly segments in eukaryotic proteins—typically long, compositionally biased tracts (e.g., FG‑repeat and S/T/P/Q‑rich low‑complexity IDRs) or elongated helical stalk/coiled‑coil regions—used for transport selectivity, transcriptional regulation, or oligomeric assembly rather than ...
Predominantly regional activation over very long, contiguous stretches. Strong on IDRs and low‑complexity segments (often Gly/Pro‑rich) and on non‑catalytic helical stalk/coiled‑coil domains; minimal on compact catalytic motifs (e.g., P‑loop/GTP‑binding motifs). In some transcription factors, activation can also cover ...
Interaction site
- Dynamin‑like large GTPases (e.g., Mx/dynamin family): activation across the Middle/Stalk and GED helical assembly domains; not on the N‑terminal P‑loop GTPase motifs. - E2F/DP transcription factor partners: activation on N‑ and C‑terminal disordered, low‑complexity regulatory tails; absent from the structured central...
3,882,946
3.980971
21.171875
[ { "activation": 21.171875, "uniref_id": "UPI001AE36E0E" }, { "activation": 21.09375, "uniref_id": "A0A8B8IS98" }, { "activation": 21.078125, "uniref_id": "A0AAV3YLZ3" }, { "activation": 21.0625, "uniref_id": "A0A1S3JPJ6" }, { "activation": 21.03125, "uniref_id...
[ { "activation": 20.394380569458008, "uniprot_id": "Q9Y4C4" }, { "activation": 20.271799087524414, "uniprot_id": "Q3UHC2" }, { "activation": 19.92026138305664, "uniprot_id": "Q54M77" }, { "activation": 19.734697341918945, "uniprot_id": "Q9FJ57" }, { "activation": 1...
[ 9673, 3064, 9899, 6542, 3071, 10930, 7799, 13315, 5944, 3840 ]
0.199277
46
Summary: Long, charge-dense, low‑complexity tracts (Lys/Arg- and Glu/Asp-rich) that are typically intrinsically disordered tails or extended coiled‑coil segments used as electrostatic interaction modules for DNA/RNA engagement and assembly of large macromolecular complexes; the feature also fires on analogous charged a...
Long, charge-dense, low‑complexity tracts (Lys/Arg- and Glu/Asp-rich) that are typically intrinsically disordered tails or extended coiled‑coil segments used as electrostatic interaction modules for DNA/RNA engagement and assembly of large macromolecular complexes; the feature also fires on analogous charged accessory ...
Long regional activation along contiguous segments, frequently beginning at the N‑terminus; strong preference for polyampholytic IDRs and heptad‑repeat coiled‑coils; little or no activation in compact globular catalytic cores. In histones, activation concentrates on the N‑terminal tail; in SMC/kleisin systems, on exten...
Compositional bias
- Cohesin/condensin/SMC system (SMC1/SMC3/Smc, kleisins RAD21/REC8, ScpA/ScpB): activation along long charged coiled‑coil arms and linker regions that scaffold DNA and mediate subunit interactions. - Histone H3 and centromeric H3 (CENP‑A/Cse4): activation on the Lys‑rich, intrinsically disordered N‑terminal tail; minim...
3,881,452
3.981356
22.640625
[ { "activation": 22.640625, "uniref_id": "A0A925ELP5" }, { "activation": 22.609375, "uniref_id": "A0A7J2JRK1" }, { "activation": 22.5, "uniref_id": "A0A7J2JQT9" }, { "activation": 22.453125, "uniref_id": "A0A8T4UNB7" }, { "activation": 22.390625, "uniref_id": "...
[ { "activation": 19.161487579345703, "uniprot_id": "P75478" }, { "activation": 17.90043067932129, "uniprot_id": "P35154" }, { "activation": 16.446836471557617, "uniprot_id": "Q6BDR8" }, { "activation": 16.02914810180664, "uniprot_id": "Q3V124" }, { "activation": 15...
[ 4331, 2795, 12706, 941, 5742, 5382, 1898, 2161, 7539, 6948 ]
0.21118
47
Summary: Alpha-helical transmembrane segments and their helix–helix packing motifs (e.g., GxxxG/AxxxA) in multi-pass membrane proteins, especially in bioenergetic and transporter complexes; the feature also accentuates embedded polar catalytic/gating residues within these helices. Activation pattern: Primarily regional...
Alpha-helical transmembrane segments and their helix–helix packing motifs (e.g., GxxxG/AxxxA) in multi-pass membrane proteins, especially in bioenergetic and transporter complexes; the feature also accentuates embedded polar catalytic/gating residues within these helices.
Primarily regional activation across long, contiguous hydrophobic alpha-helices (entire TM segments, often consecutively), with occasional residue-level peaks at embedded polar or small-residue motifs; weaker spillover onto long non-membrane alpha-helices/coiled-coils.
Membrane-associated
- Light-harvesting antenna and photosystem thylakoid proteins: strong activation along multi-pass transmembrane helices and small-residue packing motifs in chloroplast-targeted membrane subunits. - Formate–nitrite (FNT) family channels: activation across the six-helix bundle and at gly/small-residue constriction/packin...
4,309,412
3.876764
14.859375
[ { "activation": 14.859375, "uniref_id": "UPI00289AB384" }, { "activation": 14.8359375, "uniref_id": "A0A087NGR5" }, { "activation": 14.7890625, "uniref_id": "UPI00391F1D5D" }, { "activation": 14.7265625, "uniref_id": "UPI001B3CE905" }, { "activation": 14.71875, ...
[ { "activation": 12.308520317077637, "uniprot_id": "Q02113" }, { "activation": 12.10859203338623, "uniprot_id": "Q02114" }, { "activation": 11.499820709228516, "uniprot_id": "P27521" }, { "activation": 11.33534049987793, "uniprot_id": "Q9SY97" }, { "activation": 11...
[ 12221, 4201, 10137, 9663, 8711, 7050, 7371, 1385, 4122, 920 ]
0.295263
48
Summary: Extended, low-complexity intrinsically disordered regions enriched in serine, threonine, proline (with frequent glycine and charged residues), typically found in C-terminal tails and inter-domain linkers of large eukaryotic regulatory proteins (not the folded domains themselves); common in ubiquitin-system ada...
Extended, low-complexity intrinsically disordered regions enriched in serine, threonine, proline (with frequent glycine and charged residues), typically found in C-terminal tails and inter-domain linkers of large eukaryotic regulatory proteins (not the folded domains themselves); common in ubiquitin-system adaptors (UB...
Regional activation across long disordered stretches with low predicted structure; strong bias toward high sequence indices (often C-termini) and large proteins; minimal signal in well-folded domains; occasional residue-level peak at the extreme C-terminus that can overlap the boundary of a structured C-terminal domain
Disorder
- UBX domain–containing p97/VCP adaptor proteins: activation on long, disordered N- or mid-region linkers; no activation on the UBX fold. - Nuclear RNA export factor (NXF1/TAP family): activation over a disordered C-terminal segment with a terminal peak at the last residues, extending into the TAP-C/UBA-like C-terminal...
7,105,269
3.376729
23.25
[ { "activation": 23.25, "uniref_id": "A0A423TTK4" }, { "activation": 22.96875, "uniref_id": "UPI001EF8B3AA" }, { "activation": 22.953125, "uniref_id": "UPI001E277273" }, { "activation": 22.9375, "uniref_id": "A0A9P0F243" }, { "activation": 22.921875, "uniref_id...
[ { "activation": 21.77630043029785, "uniprot_id": "Q8MJ87" }, { "activation": 20.835073471069336, "uniprot_id": "P54729" }, { "activation": 19.929445266723633, "uniprot_id": "Q05610" }, { "activation": 19.01382827758789, "uniprot_id": "Q9LYE5" }, { "activation": 18...
[ 9619, 10221, 5062, 1319, 12153, 4247, 8348, 3494, 1638, 4609 ]
0.222565
49
Summary: Conserved hydrophobic/aromatic packing and binding residues within compact polymer-binding modules—most prominently helix–turn–helix/homeodomain DNA-binding folds and LysM peptidoglycan-binding repeats—with similar signals in cell-wall–binding repeats and in substrate-binding surfaces of secreted metalloprotea...
Conserved hydrophobic/aromatic packing and binding residues within compact polymer-binding modules—most prominently helix–turn–helix/homeodomain DNA-binding folds and LysM peptidoglycan-binding repeats—with similar signals in cell-wall–binding repeats and in substrate-binding surfaces of secreted metalloproteases; seco...
Residue-level peaks clustered within a small domain (typically 40–70 aa), enriched for hydrophobic/aromatic residues (Leu, Ile, Val, Ala, Phe, Trp, Tyr). In bacterial HTH/phage repressors and antitoxins, peaks occur near the N-terminus (often around positions 20–40, including a conserved Trp). In eukaryotic transcripti...
Ligand-binding site
- Bacterial HTH repressors (XRE/CI/Cro/MarR/TetR families): activation on hydrophobic/aromatic residues in the N-terminal HTH bundle that pack the helices and aid DNA recognition/dimerization. - Type II toxin–antitoxin antitoxins (HTH DNA-binding proteins): activation on core hydrophobics that stabilize the HTH used fo...
35,959,786
1.755164
26.15625
[ { "activation": 26.15625, "uniref_id": "A0A948S765" }, { "activation": 26.078125, "uniref_id": "UPI00141A6F60" }, { "activation": 25.875, "uniref_id": "A0A2P1N3C5" }, { "activation": 25.796875, "uniref_id": "UPI0037C64B3A" }, { "activation": 25.765625, "uniref...
[ { "activation": 24.135040283203125, "uniprot_id": "H9C180" }, { "activation": 23.778993606567383, "uniprot_id": "P11408" }, { "activation": 22.099143981933594, "uniprot_id": "Q56185" }, { "activation": 21.68476676940918, "uniprot_id": "Q8EIX4" }, { "activation": 2...
[ 7148, 6231, 12409, 15573, 14481, 12025, 11363, 13528, 12187, 3484 ]
0.246035
50
Summary: Asparagine-biased alpha-helical interface segments—primarily coiled‑coil/dimerization helices (heptad a/d ILV plus a key Asn) used for signal transmission or subunit docking—most prominently the transmitter helices of two‑component/hybrid histidine kinases (DHp/HAMP‑like), but also analogous N‑terminal assembl...
Asparagine-biased alpha-helical interface segments—primarily coiled‑coil/dimerization helices (heptad a/d ILV plus a key Asn) used for signal transmission or subunit docking—most prominently the transmitter helices of two‑component/hybrid histidine kinases (DHp/HAMP‑like), but also analogous N‑terminal assembly/docking...
Regional activation along long alpha‑helical stretches with heptad-repeat signatures: peaks on I/L/V at a/d positions and on interfacial Asn. In histidine kinases this occurs in mid‑to‑late sequence (often yielding spaced I–N–L triads). In tRNA‑splicing endonucleases it clusters at the extreme N‑terminus. Short, strong...
Structural motif
- Two‑component/hybrid histidine kinases (ion, envelope‑stress, virulence, phosphate regulators; plant/fungal osmosensors/phytohormone HKs; cyanobacterial circadian HKs): activation on DHp/HAMP‑like coiled‑coil transmitter helices, highlighting ILV heptad positions and interfacial Asn (e.g., repeated I–N–L spacing in D...
14,000,357
2.698483
13.265625
[ { "activation": 13.265625, "uniref_id": "A0A7C3RJR8" }, { "activation": 13.015625, "uniref_id": "A0A933B019" }, { "activation": 13.015625, "uniref_id": "A0A1Q9N1C4" }, { "activation": 13.0078125, "uniref_id": "A0A7C4C3V6" }, { "activation": 13, "uniref_id": "A...
[ { "activation": 9.103902816772461, "uniprot_id": "P37894" }, { "activation": 9.067481994628906, "uniprot_id": "P0AEC6" }, { "activation": 9.013860702514648, "uniprot_id": "P0AEC3" }, { "activation": 9.011235237121582, "uniprot_id": "Q54RP6" }, { "activation": 8.97...
[ 4696, 3299, 13197, 14548, 13156, 2309, 7478, 13736, 8588, 11174 ]
0.386618
51
Summary: Short, charged, low‑complexity patches (5–15 aa) in intrinsically disordered tails/loops—typically polybasic or mixed‑charge and often glycine‑flanked—that serve as generic electrostatic interaction motifs (e.g., nucleic‑acid binding, binding acidic peptide tails such as tubulin E‑hooks, or modular protein–pro...
Short, charged, low‑complexity patches (5–15 aa) in intrinsically disordered tails/loops—typically polybasic or mixed‑charge and often glycine‑flanked—that serve as generic electrostatic interaction motifs (e.g., nucleic‑acid binding, binding acidic peptide tails such as tubulin E‑hooks, or modular protein–protein dock...
Residue-level peaks concentrated in multiple short clusters (≈5–15 aa) per protein, frequently in disordered linkers, N/C‑terminal tails, or exposed loops; observed in both soluble and membrane‑associated proteins
Compositional bias
- Ribosomal proteins/translation factors: K/R‑rich rRNA‑binding tails and basic surface loops. - DNA topoisomerases/gyrases: short K/R‑enriched DNA‑contacting loops near catalytic cores. - Bacteriophage major capsid proteins: arginine/lysine‑rich N‑terminal genome‑binding arms. - Tubulin‑tyrosine ligase–like (TTLL/TTL)...
92,820,794
0.806895
12.851563
[ { "activation": 12.8515625, "uniref_id": "UPI0035B1B149" }, { "activation": 12.59375, "uniref_id": "UPI0013F167BA" }, { "activation": 12.5859375, "uniref_id": "A0A249XS59" }, { "activation": 12.4921875, "uniref_id": "A0A7C7P5A6" }, { "activation": 12.453125, "...
[ { "activation": 11.482416152954102, "uniprot_id": "P21464" }, { "activation": 11.311766624450684, "uniprot_id": "Q9D3A8" }, { "activation": 11.201216697692871, "uniprot_id": "D3ZAR1" }, { "activation": 11.028117179870605, "uniprot_id": "Q8STF6" }, { "activation": ...
[ 2192, 14779, 7857, 15296, 15331, 10484, 9265, 697, 5900, 15227 ]
0.24087
52
Summary: ABC ATPase nucleotide‑binding domain signature region: the C‑loop/LSGGQ motif and adjacent switch elements (Q‑loop/H‑loop/D‑loop) immediately downstream of the Walker A P‑loop, which form the interfacial catalytic site and couple ATP binding/hydrolysis to dimerization and transport (or analogous actions in ABC...
ABC ATPase nucleotide‑binding domain signature region: the C‑loop/LSGGQ motif and adjacent switch elements (Q‑loop/H‑loop/D‑loop) immediately downstream of the Walker A P‑loop, which form the interfacial catalytic site and couple ATP binding/hydrolysis to dimerization and transport (or analogous actions in ABC‑like ATP...
Regional activation within each NBD as long, contiguous blocks just C‑terminal to the Walker A motif; often two separate activated regions in full‑length transporters with two NBDs and a single region in half‑transporters. Peaks commonly fall over Gly/Gly of the LSGGQ signature or nearby G/K/T‑rich segments (including ...
Catalytic function
- Metazoan full‑length ABC transporters (e.g., ABCA/ABCD): activation in both NBDs immediately C‑terminal to Walker A, spanning the C‑loop/switch region (as in CED‑7). - Peroxisomal very‑long‑chain fatty‑acid importers (ABCD family): activation on the loop between Walker A and Walker B encompassing the C‑loop/Q‑loop se...
6,655,668
3.442096
23.390625
[ { "activation": 23.390625, "uniref_id": "A0A7W2YHE1" }, { "activation": 23.1875, "uniref_id": "UPI00138DF2C4" }, { "activation": 23.046875, "uniref_id": "UPI00295EA789" }, { "activation": 23.03125, "uniref_id": "UPI0028061A76" }, { "activation": 23.015625, "un...
[ { "activation": 22.170700073242188, "uniprot_id": "P31060" }, { "activation": 21.683008193969727, "uniprot_id": "Q9LZ98" }, { "activation": 21.424339294433594, "uniprot_id": "P16521" }, { "activation": 21.321128845214844, "uniprot_id": "P0DX93" }, { "activation": ...
[ 2480, 4515, 1219, 14668, 6256, 5023, 4967, 7704, 3093, 2897 ]
0.247095
53
Summary: Divalent metal–dependent phosphate-bond–processing catalytic cores, especially two‑metal‑ion Mg2+/Mn2+ enzymes that act on nucleotides or nucleic acids (phosphodiesterases and nucleases), with weaker cross‑activation of related nucleotide transferases and other His‑rich metalloenzymes Activation pattern: Domai...
Divalent metal–dependent phosphate-bond–processing catalytic cores, especially two‑metal‑ion Mg2+/Mn2+ enzymes that act on nucleotides or nucleic acids (phosphodiesterases and nucleases), with weaker cross‑activation of related nucleotide transferases and other His‑rich metalloenzymes
Domain-level activation over long, contiguous segments that align with the structured catalytic core (helices/loops around the metal site) rather than a short motif; enriched in acidic/His residues; often tracks the scaffold surrounding the active site and may spare the exact catalytic residues; strongest in soluble en...
Domain
- Class I 3′,5′‑cyclic‑nucleotide phosphodiesterases (PDEase domain): activation across the C‑terminal catalytic core helices/loops rather than the specific H/D metal‑binding residues - Bacterial cyclic‑di‑nucleotide phosphodiesterases (EAL and HD‑GYP families): activation over the metal‑binding catalytic domain that h...
5,144,123
3.69971
26.953125
[ { "activation": 26.953125, "uniref_id": "UPI0006A69E97" }, { "activation": 26.515625, "uniref_id": "A0A420Z9D1" }, { "activation": 26.40625, "uniref_id": "A0AAN5KRD6" }, { "activation": 26.359375, "uniref_id": "A0A955LA44" }, { "activation": 26.296875, "uniref...
[ { "activation": 23.874614715576172, "uniprot_id": "Q5ZTK4" }, { "activation": 20.92755126953125, "uniprot_id": "P06776" }, { "activation": 20.31819725036621, "uniprot_id": "Q8IKD3" }, { "activation": 20.313846588134766, "uniprot_id": "P22143" }, { "activation": 20...
[ 11128, 12619, 1102, 9765, 2385, 11420, 2646, 8007, 2229, 1797 ]
0.146239
54
Summary: Acidic phosphotransfer microenvironment of two‑component signaling modules—specifically the Asp-centered active site region of receiver (REC) domains and the H‑box/DHp region of histidine kinases—defined by clustered Asp/Glu with nearby Ser/Thr and Lys/Arg in α‑helix/loop contexts; occasionally flags similar a...
Acidic phosphotransfer microenvironment of two‑component signaling modules—specifically the Asp-centered active site region of receiver (REC) domains and the H‑box/DHp region of histidine kinases—defined by clustered Asp/Glu with nearby Ser/Thr and Lys/Arg in α‑helix/loop contexts; occasionally flags similar acidic α‑h...
Residue-level peaks in small clusters (≈3–6 residues): (1) N‑terminal segment of response regulators’ REC domains (≈positions 10–45 of the protein) around the phosphorylatable Asp and neighboring acidic/Ser/Thr/Lys residues; (2) internal cytosolic H‑box within the DHp helix of histidine kinases, sometimes including the...
Catalytic function
- Response regulators (CheY-/OmpR/PhoB‑like): peaks over the REC active-site pocket (phosphorylatable Asp, metal‑binding acidic residues, nearby Ser/Thr/Lys switch positions) - Sensor and hybrid histidine kinases (HisKA/DHp + CA): peaks around the H‑box within the DHp coiled‑coil that harbors the autophosphorylation Hi...
38,781,771
1.679615
25.234375
[ { "activation": 25.234375, "uniref_id": "UPI0034D673F3" }, { "activation": 25.171875, "uniref_id": "A0A0F9EFI7" }, { "activation": 25, "uniref_id": "A0A0S4L8L9" }, { "activation": 24.890625, "uniref_id": "A0A928UDG3" }, { "activation": 24.875, "uniref_id": "A0...
[ { "activation": 22.955350875854492, "uniprot_id": "P06628" }, { "activation": 22.33010482788086, "uniprot_id": "P40138" }, { "activation": 21.7404727935791, "uniprot_id": "P46384" }, { "activation": 21.56619644165039, "uniprot_id": "P0AE67" }, { "activation": 21.4...
[ 15486, 8603, 7754, 9778, 9021, 14644, 764, 6551, 7950, 9289 ]
0.211645
55
Summary: Acidic/polar, glycine-rich intrinsically disordered N-terminal extensions of enzymes—low-complexity tails that precede the folded catalytic/core domains across diverse metabolic enzyme families and multi-subunit complexes Activation pattern: Regional activation concentrated in long N-terminal stretches (typica...
Acidic/polar, glycine-rich intrinsically disordered N-terminal extensions of enzymes—low-complexity tails that precede the folded catalytic/core domains across diverse metabolic enzyme families and multi-subunit complexes
Regional activation concentrated in long N-terminal stretches (typically first 20–80 residues), with diffuse peaks across many positions in low-pLDDT, coil-rich segments; little to no activation in the well-structured catalytic domains; occasionally also on analogous flexible linkers/tails in different subunits
Disorder
- B12-dependent propanediol dehydratase (large subunit): strong activation on the disordered N-terminal tail (~1–60 aa), not the structured catalytic core. - Glutamine synthetase: activation confined to the unstructured N-terminus (~2–40 aa), absent from the GS beta-grasp and catalytic domains. - UbiD/prFMN aromatic ac...
10,869,192
2.951633
22.171875
[ { "activation": 22.171875, "uniref_id": "A0A2G6QSG2" }, { "activation": 22.140625, "uniref_id": "UPI0021F3A6DE" }, { "activation": 22.125, "uniref_id": "UPI0031BB8FF5" }, { "activation": 22.078125, "uniref_id": "A0A7X7JU74" }, { "activation": 22.078125, "unire...
[ { "activation": 21.671401977539062, "uniprot_id": "P11652" }, { "activation": 19.626955032348633, "uniprot_id": "P22033" }, { "activation": 19.576427459716797, "uniprot_id": "Q59676" }, { "activation": 18.152240753173828, "uniprot_id": "I3VE77" }, { "activation": ...
[ 15236, 4545, 106, 4138, 2665, 9795, 14698, 3370, 11198, 407 ]
0.282212
56
Summary: Conserved beta-strand immediately N-terminal to the Walker A (P-loop) within ABC nucleotide-binding domains (NBDs)—the beta1/A-loop region that positions ATP’s adenine and precedes the P-loop—consistently recognized across diverse ABC transporters and ABC-like ATPases. Activation pattern: Predominantly residue...
Conserved beta-strand immediately N-terminal to the Walker A (P-loop) within ABC nucleotide-binding domains (NBDs)—the beta1/A-loop region that positions ATP’s adenine and precedes the P-loop—consistently recognized across diverse ABC transporters and ABC-like ATPases.
Predominantly residue-level peaks within short 6–12 aa windows, centered on a hydrophobic residue in a structured beta-strand; positioned ~15–25 residues upstream of the Walker A motif. In large eukaryotic ABCs with two NBDs, two mirrored peaks occur at the equivalent site in each NBD. The site lies near the N-terminus...
Ligand-binding site
- ECF transporter A components (EcfA/EcfA1, bacterial importers): single sharp peak on the N-terminal beta1 strand immediately before the Walker A loop. - ABCA family lipid exporters (e.g., ABCA3): two symmetric peaks, each ~20 residues N-terminal to the respective Walker A in the tandem NBDs. - ABCB mitochondrial pept...
19,139,025
2.385836
30.875
[ { "activation": 30.875, "uniref_id": "A0A3Q9RJE2" }, { "activation": 30.65625, "uniref_id": "A0A6B3FNA9" }, { "activation": 30.625, "uniref_id": "UPI0031E8A567" }, { "activation": 30.59375, "uniref_id": "UPI00398A975F" }, { "activation": 30.515625, "uniref_id"...
[ { "activation": 27.846668243408203, "uniprot_id": "Q8LEF6" }, { "activation": 27.841983795166016, "uniprot_id": "P54683" }, { "activation": 27.7906436920166, "uniprot_id": "Q9AT00" }, { "activation": 27.78575897216797, "uniprot_id": "P9WQJ9" }, { "activation": 27....
[ 10937, 308, 2555, 9995, 1724, 1291, 2120, 313, 5816, 5772 ]
0.181767
57
Summary: Exposed, tryptophan/tyrosine-rich binding patches on extracellular proteins that engage cell-surface glycans, glycolipids, and selected membrane lipid headgroups; prominently R-type/CBM13 β-trefoil lectins but not exclusive; also present on non-β-trefoil W-rich binding modules and on β-trefoil cytokines with s...
Exposed, tryptophan/tyrosine-rich binding patches on extracellular proteins that engage cell-surface glycans, glycolipids, and selected membrane lipid headgroups; prominently R-type/CBM13 β-trefoil lectins but not exclusive; also present on non-β-trefoil W-rich binding modules and on β-trefoil cytokines with similar lo...
Patch/domain-level activation on solvent-exposed, flexible loops enriched in Trp/Tyr plus polar residues; strongest on R-type/CBM13 lectins; also observed on non-β-trefoil W-rich surfaces that bind glycans, glycosphingolipids, or sphingomyelin/phosphocholine headgroups; in multi-domain proteins, confined to these patch...
Ligand-binding site
- R-type (ricin B–like) lectin domains in secreted receptors (e.g., MRC/Endo180, sPLA2R): strong W-centered peaks in the N-terminal ricin-like lectin; no activation on downstream CTLD or Fn-II. - Polypeptide GalNAc-transferases: activation on the C-terminal ricin-like lectin domain, not the catalytic transferase core. ...
9,438,464
3.092772
24.796875
[ { "activation": 24.796875, "uniref_id": "UPI00056B7242" }, { "activation": 24.6875, "uniref_id": "UPI0025D63BE5" }, { "activation": 24.6875, "uniref_id": "UPI002953FB1C" }, { "activation": 24.671875, "uniref_id": "UPI00342E8A96" }, { "activation": 24.578125, "...
[ { "activation": 22.929811477661133, "uniprot_id": "Q9NZH7" }, { "activation": 22.918235778808594, "uniprot_id": "O06522" }, { "activation": 22.786460876464844, "uniprot_id": "P28586" }, { "activation": 22.71554183959961, "uniprot_id": "Q46668" }, { "activation": 2...
[ 13975, 9470, 10409, 639, 6494, 6701, 9373, 12195, 10859, 9323 ]
0.18574
58
Summary: Eukaryotic modular interaction domains in large regulatory/scaffold proteins; the feature marks compact, folded binding modules (e.g., BRCT, RRM/UHM, PH, PDZ, SH3, guanylate kinase-like, homeobox/Myb/SANT) that mediate protein–protein, protein–nucleic acid (RNA or DNA), or protein–lipid interactions Activation...
Eukaryotic modular interaction domains in large regulatory/scaffold proteins; the feature marks compact, folded binding modules (e.g., BRCT, RRM/UHM, PH, PDZ, SH3, guanylate kinase-like, homeobox/Myb/SANT) that mediate protein–protein, protein–nucleic acid (RNA or DNA), or protein–lipid interactions
Domain-level activation over long, contiguous stretches that align with annotated globular domains; signal is distributed across multiple secondary-structure elements within the domain core, with little to no activation in disordered linkers; often selects one copy within tandem repeats (e.g., RRM2 or PDZ2) rather than...
Domain
- RNA polymerase II CTD phosphatases (FCP1/CPL): strong activation across the BRCT interaction domain - Cytoplasmic polyadenylation element-binding proteins (CPEB): activation confined to the second RRM domain - TORC2/Sin1 subunits: activation of the C-terminal PH lipid-binding domain - MAGUK/ZO tight junction scaffold...
20,943,326
2.295745
10.453125
[ { "activation": 10.453125, "uniref_id": "A0A7N9AKH2" }, { "activation": 10.3984375, "uniref_id": "A0A978VQK5" }, { "activation": 10.3828125, "uniref_id": "A0A3Q3BXL6" }, { "activation": 10.359375, "uniref_id": "A0A668U968" }, { "activation": 10.3515625, "unire...
[ { "activation": 10.097003936767578, "uniprot_id": "Q9Y5B0" }, { "activation": 9.634562492370605, "uniprot_id": "F1LQ48" }, { "activation": 9.578816413879395, "uniprot_id": "Q9Z103" }, { "activation": 9.57404899597168, "uniprot_id": "Q9P376" }, { "activation": 9.53...
[ 11394, 7862, 4865, 14686, 13994, 3045, 10746, 7221, 10011, 7661 ]
0.329963
59
Summary: Conserved catalytic-core motifs of eukaryotic protein kinase domains, centered on the activation segment (DFG→activation loop→APE) and adjacent catalytic loop (HRD/LKPEN), which shape substrate positioning and activation-loop regulation, across Ser/Thr, Tyr, and dual-specificity kinases Activation pattern: Reg...
Conserved catalytic-core motifs of eukaryotic protein kinase domains, centered on the activation segment (DFG→activation loop→APE) and adjacent catalytic loop (HRD/LKPEN), which shape substrate positioning and activation-loop regulation, across Ser/Thr, Tyr, and dual-specificity kinases
Regional activation confined to the protein kinase catalytic domain, with sharp residue-level peaks on short coil segments between β-strands (activation loop/P+1 loop around the APE motif) and additional peaks at nearby conserved motifs (DFG, HRD); typically 8–15 residues per protein within the kinase domain, often at ...
Catalytic function
- AGC-family kinases (e.g., GRKs/PKA/PKC-like): strong activation on the activation loop/P+1 region around the APE motif and adjacent catalytic loop; in rhodopsin kinase GRK1, the peak lies in the coil between β-strands near the APE region with minor peaks elsewhere in the kinase domain. - MAPK cascade kinases (MAP2Ks ...
45,536,019
1.519062
14.726563
[ { "activation": 14.7265625, "uniref_id": "A0A6P7SLT4" }, { "activation": 14.6640625, "uniref_id": "A0A7S1GS61" }, { "activation": 14.625, "uniref_id": "UPI003A7F1AC7" }, { "activation": 14.5625, "uniref_id": "A0AAV2HGY3" }, { "activation": 14.5390625, "uniref_...
[ { "activation": 13.844671249389648, "uniprot_id": "Q9GRT1" }, { "activation": 13.81289291381836, "uniprot_id": "Q54IP4" }, { "activation": 13.63870620727539, "uniprot_id": "Q54TH6" }, { "activation": 13.623788833618164, "uniprot_id": "Q54U31" }, { "activation": 13...
[ 11164, 4310, 15195, 3910, 13226, 13614, 11952, 10495, 8015, 2265 ]
0.545117
60
Summary: Charge-dense, extended regions (long alpha-helical bundles/coiled-coils and/or intrinsically disordered low-complexity segments) that provide broad electrostatic interaction surfaces for nucleic acids and for assembly of large macromolecular complexes; prevalent in very large nucleic-acid enzymes and defense/h...
Charge-dense, extended regions (long alpha-helical bundles/coiled-coils and/or intrinsically disordered low-complexity segments) that provide broad electrostatic interaction surfaces for nucleic acids and for assembly of large macromolecular complexes; prevalent in very large nucleic-acid enzymes and defense/host–patho...
Regional activation over long, continuous stretches (tens–hundreds of residues) enriched in Lys/Arg/Asp/Glu, aligning to extended helices/coiled-coils or charged IDRs rather than sharp catalytic motifs
Compositional bias
- CRISPR-Cas9 nucleases: activation across the helical REC lobe and adjacent RNA:DNA-binding surfaces. - Viral RNA-dependent RNA polymerases: activation on long charged N/C-terminal regions and basic/acidic flanks surrounding the polymerase core that engage RNA and cofactors. - Helicases and nucleases: activation on ex...
10,370,017
2.998646
11.078125
[ { "activation": 11.078125, "uniref_id": "UPI00259F814C" }, { "activation": 10.734375, "uniref_id": "UPI0032D98FEB" }, { "activation": 10.7265625, "uniref_id": "UPI0031BAC4B1" }, { "activation": 10.6953125, "uniref_id": "UPI00119C919B" }, { "activation": 10.6875, ...
[ { "activation": 10.203250885009766, "uniprot_id": "Q99ZW2" }, { "activation": 9.983174324035645, "uniprot_id": "A0Q5Y3" }, { "activation": 9.820297241210938, "uniprot_id": "Q6PI26" }, { "activation": 9.804780960083008, "uniprot_id": "Q6LA53" }, { "activation": 9.7...
[ 4603, 12088, 12123, 9756, 13981, 11177, 9450, 79, 4218, 11744 ]
0.465925
61
Summary: Acidic, serine/threonine- and proline/glycine-rich intrinsically disordered low-complexity regions—often N‑terminal—that serve as transcriptional activation segments or acidic regulatory IDRs in nuclear DNA/RNA regulatory proteins (including transposase‑derived plant TFs, BED zinc‑finger proteins, chromatin fa...
Acidic, serine/threonine- and proline/glycine-rich intrinsically disordered low-complexity regions—often N‑terminal—that serve as transcriptional activation segments or acidic regulatory IDRs in nuclear DNA/RNA regulatory proteins (including transposase‑derived plant TFs, BED zinc‑finger proteins, chromatin factors) an...
Regional activation across long low-complexity tracts with strong residue-level peaks on E/D (often interspersed with S/T and P/G); minimal activation within folded domains; frequently concentrated at the N-terminus
Compositional bias
- Plant FAR1/FRS/FHY3 transcription factors (Mutator-like transposase–derived): activation on the N-terminal disordered acidic segment upstream of FAR1/MULE/SWIM domains. - Plant B3/REM/VRN1 and AP2/B3 (RAV1) transcription factors: activation on acidic, S/T-rich disordered N-termini that function as activation domains....
8,108,147
3.244696
22.234375
[ { "activation": 22.234375, "uniref_id": "UPI00227D64B2" }, { "activation": 22.1875, "uniref_id": "A0A445CTU2" }, { "activation": 22.125, "uniref_id": "A0A7J9APJ2" }, { "activation": 22.125, "uniref_id": "A0A445EAR3" }, { "activation": 22.109375, "uniref_id": "...
[ { "activation": 15.75932502746582, "uniprot_id": "Q9LIE5" }, { "activation": 12.466460227966309, "uniprot_id": "Q9SY66" }, { "activation": 11.272061347961426, "uniprot_id": "Q17604" }, { "activation": 9.192255020141602, "uniprot_id": "B9FJG3" }, { "activation": 8....
[ 13120, 3384, 6870, 16146, 4524, 6740, 2395, 5558, 16242, 13151 ]
0.233293
62
Summary: Extracellular/luminal re-entrant pore-loop and selectivity-filter region at the outer mouth of the permeation pathway, spanning the pore helix/loop between adjacent transmembrane helices (e.g., S5–pore–S6 or equivalent) in multi-pass ion channels and analogous pore-facing re-entrant segments in transporters Ac...
Extracellular/luminal re-entrant pore-loop and selectivity-filter region at the outer mouth of the permeation pathway, spanning the pore helix/loop between adjacent transmembrane helices (e.g., S5–pore–S6 or equivalent) in multi-pass ion channels and analogous pore-facing re-entrant segments in transporters
Regional activation in long, contiguous stretches that start at the end of the preceding TM helix, peak across the pore helix/selectivity-filter and adjacent extracellular “turret/vestibule,” and taper into the following TM helix; repeated blocks in multidomain channels (e.g., four repeats in Nav); enrichment for hydro...
Structural motif
- TRP channels (TRPM/TRPML and others): strong activation on the S5–pore helix/loop–S6 region including the selectivity filter and disulfide-bonded residues shaping ion permeability. - Voltage-gated sodium channels (Nav): activation on each domain’s P-loop/turret at the extracellular pore mouth between S5 and S6, dropp...
8,991,445
3.141292
17.59375
[ { "activation": 17.59375, "uniref_id": "A0AAD6PML9" }, { "activation": 17.5625, "uniref_id": "A0A978VVR6" }, { "activation": 17.46875, "uniref_id": "K0SEN3" }, { "activation": 17.453125, "uniref_id": "A0AAV2H6P6" }, { "activation": 17.40625, "uniref_id": "A0A4...
[ { "activation": 16.394573211669922, "uniprot_id": "Q9C0Y5" }, { "activation": 16.23813819885254, "uniprot_id": "Q84TH5" }, { "activation": 16.21877670288086, "uniprot_id": "Q9NGP5" }, { "activation": 16.18160057067871, "uniprot_id": "P33302" }, { "activation": 16....
[ 13602, 2478, 756, 4651, 9908, 14112, 15967, 12835, 11557, 3328 ]
0.30802
63
Summary: Acidic low‑complexity intrinsically disordered segments, most often C‑terminal tails, enriched in E/D/S with frequent G/P, including canonical chaperone EEVD/H/KDEL‑proximal tails and analogous acidic linkers/termini used for partner docking Activation pattern: Regional activation over long, low‑complexity blo...
Acidic low‑complexity intrinsically disordered segments, most often C‑terminal tails, enriched in E/D/S with frequent G/P, including canonical chaperone EEVD/H/KDEL‑proximal tails and analogous acidic linkers/termini used for partner docking
Regional activation over long, low‑complexity blocks (tens to >100 residues), with a strong bias toward high residue numbers (frequently the extreme C‑terminus); compositionally biased to E/D/S with G/P; occasional spikes at terminal tetrapeptides (e.g., EEVD, H/KDEL)
Compositional bias
- Hsp70/Hsp110 (BiP/GRP78, HSP70s, HSP110/GRP170): activation on the acidic, disordered C‑terminal tails, including cytosolic EEVD/EEDV endings or ER‑luminal H/KDEL‑proximal acidic regions that recruit TPR‑domain co‑chaperones. - Actin and actin‑related proteins (ARPs; bacterial/archaeal actin‑like proteins): activatio...
4,520,735
3.828891
27.265625
[ { "activation": 27.265625, "uniref_id": "UPI003752EABC" }, { "activation": 26.890625, "uniref_id": "UPI001F4FEF79" }, { "activation": 26.796875, "uniref_id": "A0A3C1RMN6" }, { "activation": 26.765625, "uniref_id": "A0A2W4L847" }, { "activation": 26.59375, "uni...
[ { "activation": 24.081256866455078, "uniprot_id": "P38788" }, { "activation": 22.85580062866211, "uniprot_id": "Q8K0U4" }, { "activation": 22.11968231201172, "uniprot_id": "Q60432" }, { "activation": 22.024002075195312, "uniprot_id": "Q0VDF9" }, { "activation": 21...
[ 3774, 12866, 14889, 14180, 4007, 10720, 12023, 8109, 8917, 16202 ]
0.164274
64
Summary: Short coil/turn motifs at helix boundaries and re-entrant loops, enriched in small/polar and proline residues; prototypically the potassium-channel pore-helix→selectivity-filter hairpin (TVGYG/GYG) and, by extension, analogous inter-helix linkers and proline-rich hairpins in repeat/scaffold proteins Activation...
Short coil/turn motifs at helix boundaries and re-entrant loops, enriched in small/polar and proline residues; prototypically the potassium-channel pore-helix→selectivity-filter hairpin (TVGYG/GYG) and, by extension, analogous inter-helix linkers and proline-rich hairpins in repeat/scaffold proteins
Residue-level peaks confined to short coils/turns. Strongest at the pore-helix C-terminus and selectivity filter in K+ pores and in the re-entrant loops between paired transmembrane helices; in soluble scaffolds, peaks on the loop/turn connectors between helices (e.g., HEAT repeats); in ER lectins, repeated peaks acros...
Ligand-binding site
- Two-pore domain potassium channels (K2P): activation at pore-helix ends and the selectivity filter (GYG triad/K+-binding carbonyl cage). - Trk/Ktr potassium uptake transporters: activation on re-entrant loops between TM1-2, 3-4, 5-6, 7-8 that house filter-like motifs. - HEAT-repeat regulatory subunits (e.g., PP4R1-li...
60,468,862
1.235437
26.59375
[ { "activation": 26.59375, "uniref_id": "A0A8J1ZQI8" }, { "activation": 26.453125, "uniref_id": "A0A8J2BEL5" }, { "activation": 26.28125, "uniref_id": "A0A260Z3N2" }, { "activation": 26.25, "uniref_id": "UPI0031DBB434" }, { "activation": 26.203125, "uniref_id":...
[ { "activation": 25.700923919677734, "uniprot_id": "Q9V785" }, { "activation": 25.3668212890625, "uniprot_id": "P42171" }, { "activation": 25.215496063232422, "uniprot_id": "Q21194" }, { "activation": 25.213462829589844, "uniprot_id": "O60239" }, { "activation": 24...
[ 2504, 13757, 9340, 11421, 9524, 1175, 5271, 6183, 11122, 11980 ]
0.168065
65
Summary: Hydrophobic core positions of alpha-helical segments in small-molecule transporters and transporter systems (predominantly multi-pass secondary carriers such as MFS, DMT/EamA, NCS/ENT, but also ABC-type systems), capturing generic helix–bundle/interface architecture rather than family-specific catalytic motifs...
Hydrophobic core positions of alpha-helical segments in small-molecule transporters and transporter systems (predominantly multi-pass secondary carriers such as MFS, DMT/EamA, NCS/ENT, but also ABC-type systems), capturing generic helix–bundle/interface architecture rather than family-specific catalytic motifs.
Residue-level peaks concentrated within many distinct transmembrane alpha-helices across permease subunits; strongest on Leu/Ile/Val/Phe/Tyr/Trp with frequent small residues (Ala/Ser/Thr/Gly), minimal in loops/disordered regions; occasional peaks at helix starts/ends or short adjacent helical segments, including cytoso...
Membrane-associated
unchanged.
50,255,132
1.420453
20.734375
[ { "activation": 20.734375, "uniref_id": "X6D1Z0" }, { "activation": 20.71875, "uniref_id": "A0A6N7C6K2" }, { "activation": 20.59375, "uniref_id": "V7F6W3" }, { "activation": 20.5625, "uniref_id": "UPI002FC310C5" }, { "activation": 20.5, "uniref_id": "A0A653R1K...
[ { "activation": 18.4398250579834, "uniprot_id": "P28246" }, { "activation": 17.894332885742188, "uniprot_id": "P0AEY8" }, { "activation": 17.601999282836914, "uniprot_id": "P31442" }, { "activation": 17.564373016357422, "uniprot_id": "P0DX21" }, { "activation": 17...
[ 5544, 2661, 7851, 12024, 13058, 14232, 9351, 13512, 3857, 15031 ]
0.470482
66
Summary: Short consensus segments that form the blades of beta-propeller domains, in both extracellular/periplasmic and cytosolic contexts, including cases where the propeller itself is catalytic (e.g., GH33/GH43, PQQ-dependent dehydrogenases). Activation pattern: Multiple short regional peaks per protein, typically on...
Short consensus segments that form the blades of beta-propeller domains, in both extracellular/periplasmic and cytosolic contexts, including cases where the propeller itself is catalytic (e.g., GH33/GH43, PQQ-dependent dehydrogenases).
Multiple short regional peaks per protein, typically one or more within each repeat/blade; peaks lie in or adjacent to conserved blade motifs and connecting loops/strand edges. Little to no activation in transmembrane segments, cytosolic tails, or non-propeller catalytic cores; when the propeller is catalytic, activati...
Domain
- Integrin α subunits: activation on FG-GAP repeats assembling the N-terminal propeller; absent from TM/cytoplasmic regions. - Semaphorin/Plexin pathway receptors: activation across Sema-domain propeller blades mediating extracellular ligand recognition. - BTB/Kelch E3 adaptor proteins: activation on Kelch repeats form...
35,342,763
1.772472
15.28125
[ { "activation": 15.28125, "uniref_id": "UPI0031DC392E" }, { "activation": 15.1171875, "uniref_id": "UPI003B5C483A" }, { "activation": 15.1171875, "uniref_id": "A0A371JUA2" }, { "activation": 15.109375, "uniref_id": "UPI0010A64BBE" }, { "activation": 15.0703125, ...
[ { "activation": 13.608070373535156, "uniprot_id": "Q5ADT1" }, { "activation": 13.50648307800293, "uniprot_id": "P32634" }, { "activation": 13.180601119995117, "uniprot_id": "Q8L7U5" }, { "activation": 13.105443954467773, "uniprot_id": "Q9Y2U9" }, { "activation": 1...
[ 7527, 15382, 14884, 6170, 11022, 14765, 4718, 6895, 15379, 15164 ]
0.391348
67
Summary: Hydrophobic loop/turn residues within β-sheet-rich immunoglobulin-like superfamily modules—especially Fibronectin type III, Ig-like C2, PKD, and related bacterial Ig-like/FN3-like repeats—found in repeated domain architectures of adhesion/receptor and scaffolding proteins; prevalent in extracellular proteins b...
Hydrophobic loop/turn residues within β-sheet-rich immunoglobulin-like superfamily modules—especially Fibronectin type III, Ig-like C2, PKD, and related bacterial Ig-like/FN3-like repeats—found in repeated domain architectures of adhesion/receptor and scaffolding proteins; prevalent in extracellular proteins but also p...
Residue-level peaks that recur once per repeat domain; narrowly localized to single L/V/I/A/P residues in short coil/turn segments linking β-strands of Ig/FN3/PKD-like β-sandwich folds; repeated across tandem domains; absent from transmembrane helices but not restricted to extracellular regions.
Structural motif
- IgCAM/axon guidance receptors (e.g., ROBO/SAX-3): single L/V peaks in loops of Ig C2 and FN3 domains across the ectodomain. - Fibronectin type III repeat proteins: sharp single-residue peaks once per FN3 domain across multiple repeats. - Receptor tyrosine kinases and phosphatases (e.g., EphB2, PTPRJ): isolated loop h...
44,916,187
1.532767
23.765625
[ { "activation": 23.765625, "uniref_id": "A0A1F4ABE5" }, { "activation": 23.671875, "uniref_id": "A0A2V9F8N6" }, { "activation": 23.609375, "uniref_id": "UPI0015D84AF8" }, { "activation": 23.421875, "uniref_id": "A0A427A3C1" }, { "activation": 23.328125, "unire...
[ { "activation": 22.28870391845703, "uniprot_id": "Q4ZHG4" }, { "activation": 21.775821685791016, "uniprot_id": "Q6GQT9" }, { "activation": 21.517032623291016, "uniprot_id": "P32018" }, { "activation": 21.378820419311523, "uniprot_id": "Q04164" }, { "activation": 2...
[ 10175, 1122, 325, 7173, 3841, 8270, 9462, 764, 11674, 10036 ]
0.376215
68
Summary: Alpha-helical transmembrane segments and, especially, the helix–loop junctions at the ends of these helices in multi-pass membrane transporters and channels, often featuring small-residue (glycine/alanine) motifs used for helix packing and gating Activation pattern: Regional activation across long hydrophobic ...
Alpha-helical transmembrane segments and, especially, the helix–loop junctions at the ends of these helices in multi-pass membrane transporters and channels, often featuring small-residue (glycine/alanine) motifs used for helix packing and gating
Regional activation across long hydrophobic stretches with multiple peaks per protein; strongest at transmembrane helix termini and short connecting loops, tapering into the adjacent helix; broad activation across many TM segments within permease domains and little in large soluble regions; occasionally highlights glyc...
Membrane-associated
- TRAP transporter permease (large permease subunit): activation on several TM helices, with a sharp peak at a helix/turn overlap inside the membrane and additional peaks in other helices; little/no signal in the small permease subunit. - PHO family phosphate permease: repeated peaks at the interfaces where TM helices ...
13,655,971
2.723388
30.046875
[ { "activation": 30.046875, "uniref_id": "UPI000C832B1B" }, { "activation": 29.9375, "uniref_id": "A0A921GH28" }, { "activation": 29.8125, "uniref_id": "A0A7C1BV18" }, { "activation": 29.453125, "uniref_id": "A0A8S0FZV8" }, { "activation": 29.40625, "uniref_id"...
[ { "activation": 27.444372177124023, "uniprot_id": "P0ABN9" }, { "activation": 26.15349578857422, "uniprot_id": "P0ABP3" }, { "activation": 25.51202392578125, "uniprot_id": "P55069" }, { "activation": 24.306718826293945, "uniprot_id": "A0A0H2VAP9" }, { "activation"...
[ 10586, 9499, 9639, 15811, 3659, 16129, 3543, 10244, 12955, 12376 ]
0.17837
69
Summary: Periodic aromatic/glycine/histidine/acidic cluster detector with a strong bias toward beta-strand repeat architectures—most notably WD40/radial-spoke beta-propellers and MORN repeats—but also recognizing similar periodically spaced motifs in flexible low-complexity repeats and structured loops of diverse prote...
Periodic aromatic/glycine/histidine/acidic cluster detector with a strong bias toward beta-strand repeat architectures—most notably WD40/radial-spoke beta-propellers and MORN repeats—but also recognizing similar periodically spaced motifs in flexible low-complexity repeats and structured loops of diverse proteins (incl...
Residue-level peaks that recur at regular intervals across repeat arrays; strongest and most regular on beta-strands at repeat starts/ends, but can also occur in low-complexity/disordered G/F/Y-rich segments and in periplasmic/loop regions; minimal outside these arrays.
Repeat
- MORN repeat proteins: strong peaks at the beginning of each repeat beta-strand. - Radial spoke head WD-repeat proteins: activation at GH–W/Y–D-like positions across beta-propeller blades. - Outer membrane porins (VDAC/TOM40): periodic but sometimes weaker activation on beta-barrel strands. - Secreted carbohydrate-act...
7,155,735
3.369651
23.046875
[ { "activation": 23.046875, "uniref_id": "A0A433SD77" }, { "activation": 22.859375, "uniref_id": "UPI001BCC9A40" }, { "activation": 22.765625, "uniref_id": "A0A512CEV2" }, { "activation": 22.734375, "uniref_id": "UPI00189AA1CE" }, { "activation": 22.609375, "un...
[ { "activation": 13.287347793579102, "uniprot_id": "Q8WTS6" }, { "activation": 11.295007705688477, "uniprot_id": "Q8IIT5" }, { "activation": 11.08403491973877, "uniprot_id": "Q6VTH5" }, { "activation": 11.070294380187988, "uniprot_id": "Q8VIG3" }, { "activation": 1...
[ 962, 14715, 10786, 10751, 16039, 7630, 14805, 5534, 5238, 13696 ]
0.238704
70
Summary: Cell-envelope/extracellular anchoring and linker segments: the feature highlights low‑complexity, Ser/Thr/Pro/Gly‑rich, disordered regions in secreted or periplasmic proteins that mediate surface display/assembly and often interface with cell-wall glycans (including GPI‑anchor ω‑site regions and periplasmic co...
Cell-envelope/extracellular anchoring and linker segments: the feature highlights low‑complexity, Ser/Thr/Pro/Gly‑rich, disordered regions in secreted or periplasmic proteins that mediate surface display/assembly and often interface with cell-wall glycans (including GPI‑anchor ω‑site regions and periplasmic coiled‑coil...
Bimodal: (1) long regional activation across flexible, low‑complexity segments flanking signal peptides or at C‑terminal pre‑anchor regions (often enriched in Ser/Thr/Pro/Gly and charged residues); (2) sharp residue‑level peaks at single conserved positions in enzymes (e.g., catalytic Cys or glycine‑adjacent active‑sit...
Disorder
- Bacteriophage spanins (inner-membrane subunits): strong regional activation over the periplasmic coiled‑coil and adjacent disordered loop, including the interchain disulfide‑forming cysteine. - Plant non-specific lipid transfer proteins (GPI-anchored): activation on the C‑terminal disordered GPI‑anchor signal/ω‑site–...
7,568,277
3.3136
13.90625
[ { "activation": 13.90625, "uniref_id": "UPI0028AC2457" }, { "activation": 13.8984375, "uniref_id": "A0A7X0VDT1" }, { "activation": 13.890625, "uniref_id": "S2XLG9" }, { "activation": 13.8828125, "uniref_id": "A0AAE4L4M0" }, { "activation": 13.875, "uniref_id":...
[ { "activation": 13.202457427978516, "uniprot_id": "Q38580" }, { "activation": 9.858179092407227, "uniprot_id": "A4ZFB2" }, { "activation": 7.844074249267578, "uniprot_id": "Q9XJJ6" }, { "activation": 6.457607269287109, "uniprot_id": "P39504" }, { "activation": 5.1...
[ 12604, 12890, 35, 7747, 16264, 6282, 3020, 4997, 3953, 8222 ]
0.26432
71
Summary: Leucine-rich repeat (LRR) architecture, with a strong preference for the convex-face C‑terminal half of each LRR unit (the helix/helix–turn segment) and adjacent flexible linkers; the feature fires periodically across tandem LRR arrays and also highlights LRR‑like leucine-rich helices even when repeats are una...
Leucine-rich repeat (LRR) architecture, with a strong preference for the convex-face C‑terminal half of each LRR unit (the helix/helix–turn segment) and adjacent flexible linkers; the feature fires periodically across tandem LRR arrays and also highlights LRR‑like leucine-rich helices even when repeats are unannotated
- Domain-level: Broad, continuous activation across LRR domains; minimal/absent in non-LRR modules (e.g., signal peptides, transmembrane segments, TIR, NACHT, NB‑ARC, disordered tails). - Residue-level: Repetitive 5–12 residue peaks per repeat, concentrated in the C‑terminal portion of each LRR (the convex-face alpha-...
Domain
- Toll-like receptors (LRR ectodomains): periodic peaks across extracellular LRRs, localized to the C‑terminal half/helix of each repeat; no activation in signal peptide, transmembrane, or TIR domains. - NOD-like receptors (e.g., NLRC5): silent over the NACHT; strong, repeat-by-repeat peaks throughout the C‑terminal LR...
10,418,849
2.993949
22.078125
[ { "activation": 22.078125, "uniref_id": "A0A915CVJ7" }, { "activation": 22, "uniref_id": "A0AAD5KI91" }, { "activation": 21.96875, "uniref_id": "A0A914RHH8" }, { "activation": 21.96875, "uniref_id": "A0A8H7S9S4" }, { "activation": 21.953125, "uniref_id": "A0AA...
[ { "activation": 21.097919464111328, "uniprot_id": "Q7Z6M2" }, { "activation": 20.813993453979492, "uniprot_id": "Q8BMI0" }, { "activation": 20.072099685668945, "uniprot_id": "Q96ME1" }, { "activation": 20.057891845703125, "uniprot_id": "Q5VMP0" }, { "activation": ...
[ 5430, 1144, 6363, 6513, 3850, 8699, 5566, 16267, 1610, 15074 ]
0.460822
72
Summary: N-terminal secretory-pathway/extracellular module detecting exported/lumenal segments and adjacent signal‑anchor/first transmembrane helix, with a strong bias toward disulfide‑rich, membrane‑active secreted proteins (notably sPLA2 and related toxins) and some viral capsid regions; secondary mode: recognizes N‑...
N-terminal secretory-pathway/extracellular module detecting exported/lumenal segments and adjacent signal‑anchor/first transmembrane helix, with a strong bias toward disulfide‑rich, membrane‑active secreted proteins (notably sPLA2 and related toxins) and some viral capsid regions; secondary mode: recognizes N‑terminal ...
Long, contiguous N‑terminal regional activation spanning signal peptide or signal‑anchor/first TM into proximal lumenal/extracellular domain; for soluble secreted proteins, covers cysteine/glycine‑rich domains; minimal on cytosolic tails; occasional minor peaks on additional TMs; not centered on catalytic residues. Als...
Post-translational modification
10,877,933
2.950829
16.34375
[ { "activation": 16.34375, "uniref_id": "A0A1T0CSH9" }, { "activation": 16.140625, "uniref_id": "A0A7T5BIS1" }, { "activation": 16.140625, "uniref_id": "UPI00135C8311" }, { "activation": 16.125, "uniref_id": "UPI002D6FCE22" }, { "activation": 16.125, "uniref_id...
[ { "activation": 14.75123405456543, "uniprot_id": "A4NBN9" }, { "activation": 10.38398551940918, "uniprot_id": "P0CV89" }, { "activation": 10.120767593383789, "uniprot_id": "Q9XG80" }, { "activation": 10.050639152526855, "uniprot_id": "Q8GV50" }, { "activation": 9....
[ 12615, 9328, 13919, 13257, 2808, 14124, 1080, 8639, 13877, 6411 ]
0.259658
73
Summary: Pepsin/retropepsin-fold aspartyl endopeptidases (EC 3.4.23.-), including their zymogen activation peptides; the feature recognizes the pepsin-like catalytic domain and, in precursors, the N-terminal prosegment that occludes the active site. Rarely, it also triggers on long D/G-rich low-complexity repeats (e.g....
Pepsin/retropepsin-fold aspartyl endopeptidases (EC 3.4.23.-), including their zymogen activation peptides; the feature recognizes the pepsin-like catalytic domain and, in precursors, the N-terminal prosegment that occludes the active site. Rarely, it also triggers on long D/G-rich low-complexity repeats (e.g., mycobac...
Domain-level/regional activation: long, contiguous activation across the folded pepsin-like protease domain; in zymogens, strong activation on the N-terminal activation (pro)peptide with an abrupt drop at the propeptide–mature junction; occasional local minima at the catalytic Asp despite enrichment for D/G around cata...
Domain
- Secreted gastric aspartyl proteases (pepsin/gastricsin): high activation on the propeptide and sharp loss at the mature N-terminus - Cathepsin D–like lysosomal/vacuolar proteases and fungal pepsin-like/yapsin enzymes: broad activation over the catalytic domain (sometimes extending into the prosegment) - Plant A1 aspa...
4,044,546
3.940196
19.015625
[ { "activation": 19.015625, "uniref_id": "A0AAD5DIU6" }, { "activation": 19, "uniref_id": "A0A7S2TYP3" }, { "activation": 18.734375, "uniref_id": "A0A954YIM1" }, { "activation": 18.703125, "uniref_id": "A0A1G2YGQ8" }, { "activation": 18.703125, "uniref_id": "A0...
[ { "activation": 14.39220142364502, "uniprot_id": "A8Q7G1" }, { "activation": 14.273688316345215, "uniprot_id": "Q6PTV2" }, { "activation": 14.261211395263672, "uniprot_id": "Q9XFX3" }, { "activation": 14.106738090515137, "uniprot_id": "P56817" }, { "activation": 1...
[ 3423, 1344, 14851, 9961, 11865, 2071, 2978, 6419, 7882, 6177 ]
0.254871
74
Summary: Radical SAM [4Fe–4S] cluster–binding motif and immediate context: recognition of the canonical CxxxCxxC cysteine triad (often preceded by glycine and flanked by basic residues) within the Radical SAM core of cobalamin-dependent C-methyltransferases and tRNA methylthiotransferase/methylthiolating enzymes, with ...
Radical SAM [4Fe–4S] cluster–binding motif and immediate context: recognition of the canonical CxxxCxxC cysteine triad (often preceded by glycine and flanked by basic residues) within the Radical SAM core of cobalamin-dependent C-methyltransferases and tRNA methylthiotransferase/methylthiolating enzymes, with broader a...
Primarily short, residue-level peaks within an ~8–20 aa window centered on the CxxxCxxC motif (typically mid-protein); in some cases broadened to regional/domain-level activation across the Radical SAM core, with strongest signal on residues flanking the three cysteines and occasionally reduced signal on the cysteines ...
Ligand-binding site
- Cobalamin-dependent Radical SAM C-methylases (e.g., hopanoid C-2 methylase): strong regional activation across the Radical SAM core, peaking around the Fe–S CxxxCxxC motif while the cysteines themselves may be less highlighted - tRNA methylthiotransferases (MiaB/MtaB family): sharp, short-window activation centered o...
3,497,410
4.085543
20.890625
[ { "activation": 20.890625, "uniref_id": "A0A7C0X4A8" }, { "activation": 20.890625, "uniref_id": "A0A933GET0" }, { "activation": 20.703125, "uniref_id": "A0A8T6N2Y8" }, { "activation": 20.640625, "uniref_id": "UPI0034A17867" }, { "activation": 20.625, "uniref_i...
[ { "activation": 19.433826446533203, "uniprot_id": "Q55373" }, { "activation": 19.368070602416992, "uniprot_id": "P26168" }, { "activation": 19.118282318115234, "uniprot_id": "Q60AV6" }, { "activation": 18.88002586364746, "uniprot_id": "B3QHD1" }, { "activation": 1...
[ 1933, 5370, 3853, 4215, 6325, 1936, 2389, 7917, 814, 2 ]
0.169853
75
Summary: Glycine-rich, flexible loop motifs (GG/GS/GT-enriched and small/polar) that flank binding/interaction pockets and hinges, often immediately adjacent to an aromatic residue (Trp/Tyr) used for stacking or capping. These loops frequently serve as phosphate/nucleotide- or carbohydrate/pterin-binding loops or inter...
Glycine-rich, flexible loop motifs (GG/GS/GT-enriched and small/polar) that flank binding/interaction pockets and hinges, often immediately adjacent to an aromatic residue (Trp/Tyr) used for stacking or capping. These loops frequently serve as phosphate/nucleotide- or carbohydrate/pterin-binding loops or interfacial tu...
Predominantly residue-level peaks on short glycine-rich loop residues and neighboring aromatics; often extends to regional activation across longer Gly/Ser/Thr–rich stretches (e.g., repeat β-solenoids or low-complexity linkers); occasionally covers an entire flexible loop/hinge segment within a domain.
Ligand-binding site
- Phage tail fiber/spike and receptor-binding proteins: activation on gly/ser-rich receptor-binding loops in β-solenoid/β-helix repeats, frequently including GG–X–W/Y motifs where aromatics stack against sugars. - Soluble inorganic pyrophosphatases: activation on glycine-/small-residue phosphate-binding loops at the me...
4,939,448
3.740312
14.953125
[ { "activation": 14.953125, "uniref_id": "A0A8S5NI46" }, { "activation": 14.8515625, "uniref_id": "UPI000E4F32DC" }, { "activation": 14.8125, "uniref_id": "UPI002587F327" }, { "activation": 14.796875, "uniref_id": "UPI002597EB96" }, { "activation": 14.78125, "u...
[ { "activation": 13.258899688720703, "uniprot_id": "P13390" }, { "activation": 12.479647636413574, "uniprot_id": "P0DJY6" }, { "activation": 12.444561004638672, "uniprot_id": "P76192" }, { "activation": 11.922065734863281, "uniprot_id": "Q51739" }, { "activation": ...
[ 3602, 8993, 3115, 12200, 7681, 15924, 13162, 1943, 14993, 5563 ]
0.26189
76
Summary: Short glycine/threonine‑rich catalytic loop with a Thr–x–Gly–x–Asp (T–x–G–x–D) core that binds/positions the phosphate and Mg2+ and places a catalytic Asp for phosphoryl transfer in small‑molecule kinases (ribokinase/GHMP‑like); the same sequence/structural signature is weakly recognized in analogous glycine/t...
Short glycine/threonine‑rich catalytic loop with a Thr–x–Gly–x–Asp (T–x–G–x–D) core that binds/positions the phosphate and Mg2+ and places a catalytic Asp for phosphoryl transfer in small‑molecule kinases (ribokinase/GHMP‑like); the same sequence/structural signature is weakly recognized in analogous glycine/threonine ...
Residue‑level peaks confined to short contiguous windows (~18–25 aa), usually in the C‑terminal half (~residues 200–270) corresponding to the mobile/lid loop at the mouth of the active site; several ThiD/HMP kinases show an additional weaker N‑terminal glycine‑rich patch. The activated segment is enriched in small/pola...
Catalytic function
- Thiamine‑biosynthesis kinases (ThiD/HMP kinase; ThiM/thiazole kinase): activation on the T–x–G–x–D loop that closes over ATP and coordinates Mg2+; some show a secondary N‑terminal glycine‑rich ATP‑binding patch. - Ribokinase‑like sugar/nucleoside kinases (ribokinase, adenosine kinase, xylulokinase, ribulokinase): act...
21,298,523
2.278928
18.671875
[ { "activation": 18.671875, "uniref_id": "UPI0018EC6BE6" }, { "activation": 18.5625, "uniref_id": "UPI0031EEDEBA" }, { "activation": 18.515625, "uniref_id": "UPI0004939A29" }, { "activation": 18.46875, "uniref_id": "UPI0035265751" }, { "activation": 18.359375, ...
[ { "activation": 16.688600540161133, "uniprot_id": "Q8Z6Q3" }, { "activation": 16.221332550048828, "uniprot_id": "Q49396" }, { "activation": 16.194704055786133, "uniprot_id": "O00764" }, { "activation": 16.14936065673828, "uniprot_id": "Q9WZP7" }, { "activation": 1...
[ 15337, 7291, 254, 7078, 6361, 9437, 13292, 9692, 4266, 8552 ]
0.340607
77
Summary: Heptad‑repeat alpha‑helical rod positions in long coiled‑coil/spectrin‑like domains—i.e., a fixed register within (abcdefg)n repeats of extended coiled‑coils and related helical rods used by eukaryotic scaffolds (cilia/centrosome components, Golgi tethers, cytolinkers), largely independent of side‑chain identi...
Heptad‑repeat alpha‑helical rod positions in long coiled‑coil/spectrin‑like domains—i.e., a fixed register within (abcdefg)n repeats of extended coiled‑coils and related helical rods used by eukaryotic scaffolds (cilia/centrosome components, Golgi tethers, cytolinkers), largely independent of side‑chain identity and of...
Regional activation across long alpha‑helical rods with sharp residue‑level peaks repeating every ~7 residues (heptad periodicity); strong in continuous coiled‑coil/spectrin regions; minimal in disordered termini and compact globular domains (e.g., WW, zinc fingers)
Structural motif
- Coiled‑coil scaffold (CCDC family, e.g., CCDC146): periodic peaks throughout the annotated coiled‑coil rod; no activation in disordered N‑terminus. - Axonemal outer dynein arm coiled‑coil subunit: activation confined to the long central coiled‑coil; absent from disordered ends. - Centriolar scaffold (Centlein): dense...
18,111,978
2.440992
17.109375
[ { "activation": 17.109375, "uniref_id": "A0A8S4B1X2" }, { "activation": 16.9375, "uniref_id": "A0A8D0A2K9" }, { "activation": 16.796875, "uniref_id": "A0A9Q0EB62" }, { "activation": 16.765625, "uniref_id": "A0A7N8Y0L6" }, { "activation": 16.671875, "uniref_id"...
[ { "activation": 15.573102951049805, "uniprot_id": "Q66H60" }, { "activation": 15.146459579467773, "uniprot_id": "E9Q7R9" }, { "activation": 14.801487922668457, "uniprot_id": "Q2M329" }, { "activation": 14.797490119934082, "uniprot_id": "Q6ZMZ3" }, { "activation": ...
[ 7006, 264, 4575, 4662, 11021, 1925, 12436, 2647, 5280, 13392 ]
0.407724
78
Summary: A short, basic/aromatic helix-end/turn motif that makes direct DNA contacts: the loop/helix-terminus element of helix–turn–helix–like folds (Myb/SANT/ARID/DnaA) and the analogous DNA‑proximal loop carrying the catalytic Tyr in tyrosine recombinases. It captures the major‑groove recognition/turn segment enriche...
A short, basic/aromatic helix-end/turn motif that makes direct DNA contacts: the loop/helix-terminus element of helix–turn–helix–like folds (Myb/SANT/ARID/DnaA) and the analogous DNA‑proximal loop carrying the catalytic Tyr in tyrosine recombinases. It captures the major‑groove recognition/turn segment enriched in Lys/...
Residue-level peaks within very short (≈4–8 aa) stretches; commonly two discrete hotspots per protein. Peaks sit at C-termini of α-helices transitioning into loops in HTH-like domains, or at the catalytic Tyr-containing loop of tyrosine recombinases. Composition is Lys/Arg-rich with Gly/Leu and occasional Tyr/Trp.
Ligand-binding site
- Tyrosine recombinases/integrases/resolvases: activation on the catalytic loop around the conserved Tyr with nearby His/Arg (often including a Trp), and/or the N‑terminal HTH DNA-binding segment used for site recognition. - Plant and other eukaryotic Myb transcription factors (R2R3‑MYB and single‑repeat Myb): two shor...
27,053,044
2.039766
21.5
[ { "activation": 21.5, "uniref_id": "UPI002635EA21" }, { "activation": 21.21875, "uniref_id": "UPI0024A991DD" }, { "activation": 21.109375, "uniref_id": "UPI0033A8ABCF" }, { "activation": 21.078125, "uniref_id": "A0A960R6T1" }, { "activation": 21.03125, "uniref...
[ { "activation": 18.25108528137207, "uniprot_id": "P20214" }, { "activation": 18.063690185546875, "uniprot_id": "P03870" }, { "activation": 17.86935806274414, "uniprot_id": "O34336" }, { "activation": 17.576297760009766, "uniprot_id": "P0CE19" }, { "activation": 17...
[ 7030, 7606, 16270, 15848, 181, 10343, 9136, 3347, 4261, 3699 ]
0.312408
79
Summary: Conserved phosphate‑interacting/catalytic interface: a subdomain or motif that binds or processes phosphate groups (from nucleic acids, nucleotides, or phosphoinositides), enriched in metal‑chelating acidic residues and Lys/Arg/Gly/Ser‑rich loops; typically corresponds to an N‑terminal or pre‑catalytic region ...
Conserved phosphate‑interacting/catalytic interface: a subdomain or motif that binds or processes phosphate groups (from nucleic acids, nucleotides, or phosphoinositides), enriched in metal‑chelating acidic residues and Lys/Arg/Gly/Ser‑rich loops; typically corresponds to an N‑terminal or pre‑catalytic region of nuclea...
Predominantly regional activation over a single structured subdomain (often 30–200 aa), with superimposed sharp residue‑level peaks at key acidic/Ser/Lys/Arg or metal‑binding positions; in some secreted proteases and zymogens the feature contracts to one or a few hallmark residues; activated segments are usually well‑s...
Ligand-binding site
- CRISPR Cascade large subunit (Cas8/Cse1): strong domain‑level activation confined to the N‑terminal DNA‑contacting domain (helices/strands/loops). - Fanconi‑associated nuclease FAN1: a single pre‑VRR‑NUC segment with a peak at a Mn2+‑binding glutamate, marking the phosphate‑processing interface adjacent to the nuclea...
4,704,203
3.789109
12.804688
[ { "activation": 12.8046875, "uniref_id": "UPI00307BEC6F" }, { "activation": 12.7734375, "uniref_id": "A0A496R269" }, { "activation": 12.765625, "uniref_id": "A0AAW5K156" }, { "activation": 12.75, "uniref_id": "UPI00307895A2" }, { "activation": 12.7421875, "uni...
[ { "activation": 9.093219757080078, "uniprot_id": "Q9LSS3" }, { "activation": 9.072354316711426, "uniprot_id": "Q8NCE0" }, { "activation": 8.993608474731445, "uniprot_id": "Q02825" }, { "activation": 8.745386123657227, "uniprot_id": "Q8TFH7" }, { "activation": 8.69...
[ 9450, 10246, 4218, 9756, 7769, 15652, 13981, 60, 11744, 4603 ]
0.389358
80
Summary: Low-complexity, intrinsically disordered regulatory segments in nuclear gene-expression regulators—long S/T/P/G/Q/Y-rich tracts (often with PxxP and/or glycine-rich/RGG motifs) that serve as transactivation and interaction regions flanking, and excluding, the structured DNA- or RNA-binding domains Activation p...
Low-complexity, intrinsically disordered regulatory segments in nuclear gene-expression regulators—long S/T/P/G/Q/Y-rich tracts (often with PxxP and/or glycine-rich/RGG motifs) that serve as transactivation and interaction regions flanking, and excluding, the structured DNA- or RNA-binding domains
Extended regional activation over long, contiguous IDRs (often N- or C‑terminal or central segments); little to no activation on folded domains such as homeodomains, zinc fingers, forkhead/HMG boxes, RRMs, KH, or YTH domains
Disorder
- GATA transcription factors: strong activation across central disordered low‑complexity regions; no activation on the C‑terminal zinc‑finger DNA‑binding domains - Homeobox/HOX and paired (PAX) transcription factors: activation on proline/glutamine/serine‑rich transactivation domains flanking the homeodomain or paired ...
6,961,096
3.397228
20.1875
[ { "activation": 20.1875, "uniref_id": "A0A814AX88" }, { "activation": 20.15625, "uniref_id": "A0A813X9Z8" }, { "activation": 20.046875, "uniref_id": "A0A819MRI8" }, { "activation": 19.890625, "uniref_id": "A0A815BEX9" }, { "activation": 19.859375, "uniref_id":...
[ { "activation": 18.934188842773438, "uniprot_id": "P09082" }, { "activation": 18.60736846923828, "uniprot_id": "P22810" }, { "activation": 17.972246170043945, "uniprot_id": "A7Y7W3" }, { "activation": 17.62734603881836, "uniprot_id": "Q26417" }, { "activation": 17...
[ 1234, 5236, 7143, 6481, 15922, 4788, 5558, 5803, 14296, 2395 ]
0.446086
81
Summary: Glycine-rich, positively charged N-terminal anion/phosphate-binding segment (often Gly–Gly or Gly–x–Gly motifs) that engages phosphate-bearing ligands (ATP/ADP/PPi, NAD(P), FMN/FAD, CoA, sugar phosphates) or nucleic-acid backbones; captured as a 60–100 aa block most often at the N-terminus and present across m...
Glycine-rich, positively charged N-terminal anion/phosphate-binding segment (often Gly–Gly or Gly–x–Gly motifs) that engages phosphate-bearing ligands (ATP/ADP/PPi, NAD(P), FMN/FAD, CoA, sugar phosphates) or nucleic-acid backbones; captured as a 60–100 aa block most often at the N-terminus and present across multiple f...
Regional activation of a contiguous 60–100 aa basic, glycine-rich stretch near the N-terminus; appears internally when this segment is embedded within larger, multi-domain proteins.
Ligand-binding site
- tRNA dihydrouridine synthases (DusA/B/C): activation on the N-terminal glycine-rich segment that binds FMN phosphate and interfaces with NAD(P)H electron transfer. - Flavin- and NAD(P)-dependent oxidoreductases (e.g., dihydropyrimidine dehydrogenase, dihydroorotate dehydrogenase, OPDA/Old Yellow Enzyme reductases): a...
15,403,861
2.602947
23.78125
[ { "activation": 23.78125, "uniref_id": "A0A813KT47" }, { "activation": 23.78125, "uniref_id": "A0A8D2DIS6" }, { "activation": 23.640625, "uniref_id": "A0A0D6LD86" }, { "activation": 23.609375, "uniref_id": "A0A183KY47" }, { "activation": 23.578125, "uniref_id"...
[ { "activation": 22.60463523864746, "uniprot_id": "P96192" }, { "activation": 22.131406784057617, "uniprot_id": "P33371" }, { "activation": 21.96012306213379, "uniprot_id": "P53759" }, { "activation": 21.836597442626953, "uniprot_id": "Q8K582" }, { "activation": 21...
[ 15976, 8382, 9102, 14087, 14307, 3913, 14129, 10903, 14868, 6739 ]
0.277376
82
Summary: Conserved catalytic core of nucleic‑acid polymerases—most strongly the right‑hand polymerase domain (palm/fingers) of A- and B‑family DNA polymerases, single‑subunit RNA polymerases (T7/RpoT lineage), and viral RNA‑dependent RNA polymerases—with secondary activation on structurally related, nucleic‑acid–proces...
Conserved catalytic core of nucleic‑acid polymerases—most strongly the right‑hand polymerase domain (palm/fingers) of A- and B‑family DNA polymerases, single‑subunit RNA polymerases (T7/RpoT lineage), and viral RNA‑dependent RNA polymerases—with secondary activation on structurally related, nucleic‑acid–processing enzy...
Domain-level, long contiguous stretches within the main enzymatic core; typically mid‑to‑C‑terminal in DNA polymerases and within the initiation/palm segment of single‑subunit RNAPs/RdRPs. Activation is broad around (but not limited to) conserved acidic motifs (e.g., DxD/GDD) and glycine-rich elements, highlighting the...
Domain
- B-family DNA polymerases (eukaryotic Pol delta, archaeal PolB): wide activation across the PolB catalytic domain immediately downstream of essential acidic residues, covering helices/strands that form the polymerase core. - A-family DNA polymerases (Pol gamma, Pol I/phage-like): strong activation spanning the Klenow-...
5,854,154
3.570414
26.203125
[ { "activation": 26.203125, "uniref_id": "A0A9N9TC76" }, { "activation": 26.15625, "uniref_id": "U4UQB4" }, { "activation": 26.109375, "uniref_id": "A0A2D4MW25" }, { "activation": 26.046875, "uniref_id": "A0A7J8CKG2" }, { "activation": 25.96875, "uniref_id": "A...
[ { "activation": 25.599246978759766, "uniprot_id": "Q92076" }, { "activation": 25.28999137878418, "uniprot_id": "P54098" }, { "activation": 24.70700454711914, "uniprot_id": "P15801" }, { "activation": 24.473621368408203, "uniprot_id": "Q9Y767" }, { "activation": 23...
[ 0, 15309, 334, 7546, 1546, 14504, 15772, 15444, 13061, 6060 ]
0.190304
83
Summary: Short aromatic/hydrophobic contact patches that present stacked aromatics for nucleic-acid/ligand binding—typically on beta-strands (e.g., RRM RNP1/RNP2) but also on alpha-helical repeat surfaces (e.g., PUF/Pumilio), and more generally as exposed patches aiding RNA/ligand contact or beta-sheet stabilization ac...
Short aromatic/hydrophobic contact patches that present stacked aromatics for nucleic-acid/ligand binding—typically on beta-strands (e.g., RRM RNP1/RNP2) but also on alpha-helical repeat surfaces (e.g., PUF/Pumilio), and more generally as exposed patches aiding RNA/ligand contact or beta-sheet stabilization across dive...
Residue-level peaks clustering into short motif-like runs on exposed secondary-structure elements—commonly beta-strands, but also short helical turns/repeats; frequently two hotspots per RRM (RNP2 and RNP1) with variable copy number per protein; in uL23, two recurring N-terminal clusters (~positions 20–30 and 60–80); e...
Ligand-binding site
- RRM-containing splicing factors (U1/U2 snRNP proteins, hnRNP/SR proteins): activation on the RNP2 and RNP1 beta-strands that present stacked aromatics for RNA binding - La-related proteins (LARP family): activation on RRM/La-domain beta-strands at the RNA-binding surface - Poly(A)/poly(U)-binding proteins: activation...
98,109,102
0.751485
14.632813
[ { "activation": 14.6328125, "uniref_id": "A0A662IPX0" }, { "activation": 14.6171875, "uniref_id": "A0A381W1Y1" }, { "activation": 14.5703125, "uniref_id": "UPI001D15ED3A" }, { "activation": 14.5625, "uniref_id": "UPI002073F7C1" }, { "activation": 14.4921875, "...
[ { "activation": 13.681260108947754, "uniprot_id": "Q4J989" }, { "activation": 13.35593032836914, "uniprot_id": "P12732" }, { "activation": 13.117786407470703, "uniprot_id": "P71888" }, { "activation": 12.798715591430664, "uniprot_id": "Q9LWB5" }, { "activation": 1...
[ 7567, 1059, 5203, 9152, 14224, 7525, 960, 7699, 10656, 14543 ]
0.232541
84
Summary: Residue-level markers of secondary-structure register and packing in elongated scaffolds: the feature selects apolar positions within regular elements (especially α-helices in coiled‑coils or transmembrane segments and a conserved β‑strand segment in MHC class I α1) and, at boundaries, glycine hinges that set/...
Residue-level markers of secondary-structure register and packing in elongated scaffolds: the feature selects apolar positions within regular elements (especially α-helices in coiled‑coils or transmembrane segments and a conserved β‑strand segment in MHC class I α1) and, at boundaries, glycine hinges that set/interrupt...
Predominantly sparse, residue-level peaks at specific positions in helices or β‑strands; periodic single‑residue spikes across long, repetitive helical regions (coiled‑coils/adhesin stalks); occasional short 2–5 residue patches at β→α junctions; rare single‑residue peaks at glycine linkers immediately preceding coiled‑...
Structural motif
- Trimeric autotransporter adhesins (SadA-like): repeated activation on leucines within short α‑helical segments of the passenger/stalk (consistent with heptad a/d positions of coiled‑coils). - Structural maintenance of chromosomes (SMC) coiled‑coil proteins: single glycine peak in a short coil linker immediately befor...
3,777,752
4.008436
22.375
[ { "activation": 22.375, "uniref_id": "A0A2H5WYS4" }, { "activation": 22.203125, "uniref_id": "UPI0035C055B7" }, { "activation": 22.15625, "uniref_id": "A0A7C5YMC2" }, { "activation": 22.15625, "uniref_id": "A0A3M2AR93" }, { "activation": 22.125, "uniref_id": "...
[ { "activation": 19.009124755859375, "uniprot_id": "E0SIS2" }, { "activation": 18.69892120361328, "uniprot_id": "P0DUH5" }, { "activation": 18.59309959411621, "uniprot_id": "Q9I0F4" }, { "activation": 18.210224151611328, "uniprot_id": "E0SGL7" }, { "activation": 17...
[ 8815, 13275, 3624, 3387, 7057, 3324, 1074, 8643, 8614, 1489 ]
0.153338
85
Summary: A hydrophobic alpha-helix/topogenic segment detector that preferentially activates on transmembrane helices and N-terminal targeting peptides (signal peptides and organellar transit peptides), with secondary activation on extended helical co-chaperone regions and occasional low-complexity Ser/Thr/Pro- or Cys-r...
A hydrophobic alpha-helix/topogenic segment detector that preferentially activates on transmembrane helices and N-terminal targeting peptides (signal peptides and organellar transit peptides), with secondary activation on extended helical co-chaperone regions and occasional low-complexity Ser/Thr/Pro- or Cys-rich stret...
Regional activation over long, continuous helices (TMs and signal/transit peptides); weaker, shorter activation on incidental hydrophobic/helical or low-complexity segments in soluble proteins.
Membrane-associated
- TRAP transporter small permease subunits (DctQ/SiaQ/YiaM): activation across their single-pass transmembrane helix. - Two-component sensor histidine kinases: activation over the N-terminal multi-pass sensor transmembranes. - Twin-arginine translocase subunits (TatB/TatA, including chloroplastic cpTatB): activation on...
36,802,920
1.731988
17.125
[ { "activation": 17.125, "uniref_id": "UPI00226C70AC" }, { "activation": 16.84375, "uniref_id": "A0A241VUJ6" }, { "activation": 16.765625, "uniref_id": "UPI0032187653" }, { "activation": 16.734375, "uniref_id": "UPI003463358A" }, { "activation": 16.71875, "unir...
[ { "activation": 14.031119346618652, "uniprot_id": "P69425" }, { "activation": 12.880227088928223, "uniprot_id": "Q53705" }, { "activation": 12.813611030578613, "uniprot_id": "O31516" }, { "activation": 12.465211868286133, "uniprot_id": "Q2G1E0" }, { "activation": ...
[ 13005, 7027, 4100, 12821, 14859, 3535, 6908, 8316, 16119, 10041 ]
0.216253
86
Summary: Eukaryotic multi-pass alpha‑helical transmembrane domains, with a strong preference for the helical bundles of 7‑TM GPCR‑like receptors and MFS/permease transporters, capturing hydrophobic helix cores and helix‑kink/packing motifs; especially enriched in fungal plasma‑membrane signaling and lipid‑metabolic pro...
Eukaryotic multi-pass alpha‑helical transmembrane domains, with a strong preference for the helical bundles of 7‑TM GPCR‑like receptors and MFS/permease transporters, capturing hydrophobic helix cores and helix‑kink/packing motifs; especially enriched in fungal plasma‑membrane signaling and lipid‑metabolic proteins.
Broad, domain‑level activation across multiple predicted transmembrane helices per protein; strongest over the TM5–TM6 pair and intervening intracellular loop (ICL3) in GPCRs; minimal signal in soluble/disordered N‑terminal regions and long C‑terminal tails; residue‑level peaks on hydrophobic/aromatic positions and Gly...
Membrane-associated
- Fungal pheromone GPCRs: activation spans TM1–TM7 with maxima on TM5–TM6 and ICL3; TM1 glycine‑zipper positions highlighted; disordered C‑tail inactive. - cAMP receptors (7‑TM GPCRs, amoebozoa): continuous activation over TM5–TM6 and the third cytoplasmic loop; little to none in the long disordered tail. - Metabotropi...
5,736,664
3.590687
22.203125
[ { "activation": 22.203125, "uniref_id": "A0A401GHF1" }, { "activation": 22.140625, "uniref_id": "A0A2R6NHP8" }, { "activation": 22.09375, "uniref_id": "A0A409XSB0" }, { "activation": 22.09375, "uniref_id": "A0AAD4BNW3" }, { "activation": 22.078125, "uniref_id"...
[ { "activation": 17.213315963745117, "uniprot_id": "A0A0D1E6B3" }, { "activation": 14.796296119689941, "uniprot_id": "D6VTK4" }, { "activation": 14.598201751708984, "uniprot_id": "Q00619" }, { "activation": 9.169095039367676, "uniprot_id": "P31302" }, { "activation...
[ 2505, 10766, 12779, 3818, 11703, 4319, 14436, 7540, 6987, 872 ]
0.251159
87
Summary: Long, charged alpha-helical coiled-coil/oligomerization rods (often flanked by S/T‑rich low‑complexity segments) that function as scaffold/tether modules for assembling large macromolecular complexes across eukaryotes and viruses (chromosome axis/kinetochore and synaptonemal complex proteins, THO/TREX mRNA‑exp...
Long, charged alpha-helical coiled-coil/oligomerization rods (often flanked by S/T‑rich low‑complexity segments) that function as scaffold/tether modules for assembling large macromolecular complexes across eukaryotes and viruses (chromosome axis/kinetochore and synaptonemal complex proteins, THO/TREX mRNA‑export facto...
Regional/domain-scale activation over contiguous tens to hundreds of residues, strongest on predicted/annotated coiled-coils and continuous alpha-helical rods (often mid‑to‑C‑terminal in long proteins); occasional narrow peaks at short acidic/charged helical or coiled‑coil motifs embedded within otherwise globular enzy...
Structural motif
- Synaptonemal complex and meiotic chromosome-axis proteins (e.g., SYCP2/3-, Red1/Hop1-like): long coiled-coil rods forming the SC/axis. - Kinetochore/centromere scaffolds (Ndc80/Mis12/CENP complexes): coiled-coil stalks and dimerization helices. - THO/TREX mRNA-export factors (THOC subunits, UAP56 adaptors): extended ...
5,542,431
3.625132
25.46875
[ { "activation": 25.46875, "uniref_id": "A0A176VH81" }, { "activation": 25.453125, "uniref_id": "A0A426WXJ8" }, { "activation": 25.046875, "uniref_id": "A0A8K0MVC7" }, { "activation": 25.03125, "uniref_id": "A0A8K0IJ96" }, { "activation": 25, "uniref_id": "A0A1...
[ { "activation": 11.917434692382812, "uniprot_id": "Q9NQ92" }, { "activation": 11.190911293029785, "uniprot_id": "F4ICX9" }, { "activation": 9.703420639038086, "uniprot_id": "P26312" }, { "activation": 6.522451400756836, "uniprot_id": "Q8H0V4" }, { "activation": 6....
[ 2565, 3043, 9088, 5039, 8005, 14407, 15303, 14428, 14214, 15564 ]
0.279749
88
Summary: An anion/pyrophosphate–binding glycine-rich loop and adjacent beta–alpha core in soluble alpha–beta enzymes (Rossmann-like and related folds), plus homologous glycine-rich loop segments in certain redox electron-transfer subunits; primarily engages AMP/ADP-bearing cofactors (FAD/FMN/NAD(P), ATP/CoA/AMP) and TP...
An anion/pyrophosphate–binding glycine-rich loop and adjacent beta–alpha core in soluble alpha–beta enzymes (Rossmann-like and related folds), plus homologous glycine-rich loop segments in certain redox electron-transfer subunits; primarily engages AMP/ADP-bearing cofactors (FAD/FMN/NAD(P), ATP/CoA/AMP) and TPP pyropho...
Regional activation over internal domain segments (tens of residues), peaking on glycine-rich anion/pyrophosphate-binding loops (GxGxxG, GxxxxGKT, TPP GDG/NN) and flanking beta1–alpha1–beta2 elements; within mature catalytic domains after targeting peptides.
Ligand-binding site
- Flavoprotein oxidoreductases (FAD/FMN-dependent; acyl‑CoA dehydrogenases, fumarate/succinate/urocanate reductases, complex I/II catalytic subunits): activation on the FAD/FMN-binding Rossmann segment. - NAD(P)-dependent dehydrogenases (e.g., shikimate dehydrogenase, glycerol/glucose dehydrogenases): activation on the...
4,969,711
3.734204
21
[ { "activation": 21, "uniref_id": "UPI00286E1735" }, { "activation": 20.9375, "uniref_id": "A0A8T4FJY0" }, { "activation": 20.890625, "uniref_id": "A0A7G2ILA4" }, { "activation": 20.875, "uniref_id": "A0A2H0P150" }, { "activation": 20.859375, "uniref_id": "A0A5...
[ { "activation": 20.272960662841797, "uniprot_id": "P00363" }, { "activation": 19.642248153686523, "uniprot_id": "T2G6Z9" }, { "activation": 19.3176212310791, "uniprot_id": "B0NAQ4" }, { "activation": 18.454118728637695, "uniprot_id": "Q59767" }, { "activation": 18...
[ 10724, 411, 15016, 6347, 4514, 129, 15234, 769, 4193, 15911 ]
0.207627
89
Summary: Long, compositionally biased intrinsically disordered regions (IDRs)—enriched in Lys/Arg, Glu/Asp, Ser/Thr and often Pro—that occur as extended regulatory tails or linkers (frequently C‑terminal) flanking folded catalytic domains; these segments commonly harbor clusters of PTM sites (e.g., phosphorylation or O...
Long, compositionally biased intrinsically disordered regions (IDRs)—enriched in Lys/Arg, Glu/Asp, Ser/Thr and often Pro—that occur as extended regulatory tails or linkers (frequently C‑terminal) flanking folded catalytic domains; these segments commonly harbor clusters of PTM sites (e.g., phosphorylation or O‑glycosyl...
Strong regional activation over long, contiguous low‑complexity stretches with low predicted structure, typically beginning immediately after a folded domain and extending to the terminus (often C‑terminal); peaks on polyacidic/basic runs, Ser/Thr‑rich and Pro‑rich tracts; minimal activation on the structured catalytic...
Disorder
- RNA decapping enzymes (Nudix/DCP2-like): activation on the disordered C‑terminal regulatory tail following the Nudix domain, rich in acidic/basic residues and phosphoserines (as in the m7GpppN-mRNA hydrolase example). - Other RNA metabolism/decay factors (decapping cofactors, exosome adaptors): activation on extended...
9,124,106
3.126645
13.460938
[ { "activation": 13.4609375, "uniref_id": "A0A806KGH4" }, { "activation": 13.265625, "uniref_id": "UPI002D7F1075" }, { "activation": 13.1796875, "uniref_id": "UPI002609C6FB" }, { "activation": 13.171875, "uniref_id": "UPI0022E6C9CA" }, { "activation": 13.140625, ...
[ { "activation": 11.77958869934082, "uniprot_id": "P32606" }, { "activation": 11.741817474365234, "uniprot_id": "O74832" }, { "activation": 9.246404647827148, "uniprot_id": "Q8SZZ8" }, { "activation": 8.434033393859863, "uniprot_id": "Q659A1" }, { "activation": 8.2...
[ 13416, 8362, 8555, 2140, 15308, 13099, 6651, 623, 8407, 7516 ]
0.387015
90
Summary: Non-catalytic, peripheral interaction segments enriched in hydrophobic/basic residues—most often amphipathic alpha-helices (including coiled-coil–like helices) and adjacent flexible loops—found outside catalytic cores, such as C-terminal accessory regions of reverse transcriptase/nucleotidyltransferase-family ...
Non-catalytic, peripheral interaction segments enriched in hydrophobic/basic residues—most often amphipathic alpha-helices (including coiled-coil–like helices) and adjacent flexible loops—found outside catalytic cores, such as C-terminal accessory regions of reverse transcriptase/nucleotidyltransferase-family enzymes a...
Regional activation on contiguous stretches. In enzyme/RT-related proteins, long, well-structured helical tracts occur in mid-to-late sequence positions beyond the annotated RT core; in secreted/receptor/viral proteins, shorter helical or loop patches appear in extracellular domains (coiled-coils or CRD/loop segments),...
Interaction site
- Telomerase reverse transcriptase: strong continuous activation on the C-terminal extension downstream of the RT domain, composed of multiple alpha-helices. - Group II intron RT/maturase: activation on two C-terminal helices within the intron maturase domain; RT core remains inactive. - Noncanonical poly(A) polymerase...
8,800,236
3.162787
21.71875
[ { "activation": 21.71875, "uniref_id": "A0A3N4KE72" }, { "activation": 21.625, "uniref_id": "A0A317SFP6" }, { "activation": 21.28125, "uniref_id": "A0A1R1WZF7" }, { "activation": 21.265625, "uniref_id": "A0A1Y2C6I9" }, { "activation": 21.25, "uniref_id": "A0A1...
[ { "activation": 16.946104049682617, "uniprot_id": "P21329" }, { "activation": 15.372613906860352, "uniprot_id": "O00370" }, { "activation": 15.012147903442383, "uniprot_id": "P16423" }, { "activation": 14.496796607971191, "uniprot_id": "P03239" }, { "activation": ...
[ 4260, 7795, 5348, 4872, 9099, 16375, 6501, 7378, 16244, 16183 ]
0.219437
91
Summary: Short conserved segment of the HATPase_c (Bergerat-fold) catalytic/ATP‑binding subdomain of GHKL ATPases, most strongly the CA domain of two‑component sensor histidine kinases; the feature keys on an F‑box/ATP‑lid–centered motif (hydrophobic‑F‑E‑[R/K/P/D]‑F) shared across HKs and weakly present in other GHKL f...
Short conserved segment of the HATPase_c (Bergerat-fold) catalytic/ATP‑binding subdomain of GHKL ATPases, most strongly the CA domain of two‑component sensor histidine kinases; the feature keys on an F‑box/ATP‑lid–centered motif (hydrophobic‑F‑E‑[R/K/P/D]‑F) shared across HKs and weakly present in other GHKL families
Regional activation on short 10–16 aa stretches in the C‑terminal half of histidine kinases (typically positions ~300–900), with sharp residue‑level peaks at a hydrophobic‑F‑E‑[R/K/P/D]‑F motif; usually one segment per protein, occasionally multiple in large hybrid HKs; weaker matches in non‑HK GHKL ATPases
Ligand-binding site
- Canonical bacterial two‑component sensor histidine kinases (EnvZ/PhoQ/NarX/NtrB/CheA families): activation on the CA (HATPase_c) F‑box/ATP‑lid region. - Metal/ion and osmolarity sensors (e.g., Mg2+‑sensing PhoQ, K+ or osmolarity systems like KdpD/EnvZ): activation on the same CA subdomain motif. - Nitrate/nitrite and...
5,920,116
3.559209
29.921875
[ { "activation": 29.921875, "uniref_id": "UPI002028B694" }, { "activation": 29.875, "uniref_id": "A0A925JCR7" }, { "activation": 29.875, "uniref_id": "A0A936KK52" }, { "activation": 29.8125, "uniref_id": "UPI00286A5C5D" }, { "activation": 29.78125, "uniref_id":...
[ { "activation": 28.854530334472656, "uniprot_id": "Q2T0V9" }, { "activation": 28.428659439086914, "uniprot_id": "O34206" }, { "activation": 28.35117530822754, "uniprot_id": "P08401" }, { "activation": 28.334552764892578, "uniprot_id": "P52101" }, { "activation": 2...
[ 7701, 5490, 6588, 14355, 7693, 515, 2246, 13180, 9273, 12074 ]
0.209053
92
Summary: Activation segment of protein kinase catalytic domains (the DFG…APE region), i.e., the activation loop and its flanking conserved motifs; the feature keys on the DFG Phe–Gly (FG) signature, activation‑loop residues (often including a Tyr or a Thr–X–Tyr pair), and the APE/p+1 loop with prolines and acidic resid...
Activation segment of protein kinase catalytic domains (the DFG…APE region), i.e., the activation loop and its flanking conserved motifs; the feature keys on the DFG Phe–Gly (FG) signature, activation‑loop residues (often including a Tyr or a Thr–X–Tyr pair), and the APE/p+1 loop with prolines and acidic residues, and ...
Regional activation within the kinase catalytic domain: a tight cluster of ~9–15 residues with strong peaks at the DFG FG/GF motif, activation‑loop phospho‑acceptors (Thr/Tyr), and the APE Pro/Glu region (often including P–x–P or PP); occasionally extends to the adjacent catalytic‑loop/HRD vicinity
Sequence motif
- Bacterial eukaryotic‑like Ser/Thr kinases (Pkn-family ELKs; e.g., Mycobacterium/Myxococcus): activation on the DFG motif and the DFG→activation‑loop→APE segment. - MAP kinases (TxY activation motif): activation on DFG, the Thr–X–Tyr pair in the activation loop, and the APE/p+1 loop. - CDKs and AGC-family kinases: act...
22,822,147
2.209834
24.0625
[ { "activation": 24.0625, "uniref_id": "A0A7Y6PN19" }, { "activation": 23.859375, "uniref_id": "A0A7V5RPQ7" }, { "activation": 23.859375, "uniref_id": "A0A538QZZ8" }, { "activation": 23.78125, "uniref_id": "A0A956BUT9" }, { "activation": 23.75, "uniref_id": "UP...
[ { "activation": 21.721885681152344, "uniprot_id": "P54737" }, { "activation": 21.688817977905273, "uniprot_id": "Q9FAB3" }, { "activation": 21.036623001098633, "uniprot_id": "Q9RRH3" }, { "activation": 20.80927848815918, "uniprot_id": "P33973" }, { "activation": 2...
[ 13470, 15288, 598, 2935, 3351, 379, 2057, 6300, 6851, 6755 ]
0.645826
93
Summary: Long, amphipathic coiled‑coil (heptad‑repeat) alpha‑helical rods that function as peripheral stalks/stators and assembly scaffolds in large protein complexes and cytoskeletal systems Activation pattern: Regional/domain‑level activation across extended helices with periodic residue‑level peaks consistent with t...
Long, amphipathic coiled‑coil (heptad‑repeat) alpha‑helical rods that function as peripheral stalks/stators and assembly scaffolds in large protein complexes and cytoskeletal systems
Regional/domain‑level activation across extended helices with periodic residue‑level peaks consistent with the coiled‑coil heptad register (hydrophobic a/d positions and supportive charged e/g positions); enriched for L/I/V/A and K/E/R/Q, depleted in Gly/Pro; often spans a single long helix or contiguous coiled‑coil se...
Structural motif
- ATP synthase peripheral stalk subunits (F‑type b/b′; V/A‑type E/G): activation along the long dimeric coiled‑coil rods that form the stator. - Type III secretion/peripheral stalk components: activation on their helical coiled‑coil stator/stalk regions. - Cell division scaffolds DivIVA/Wag31: strong activation across ...
19,513,158
2.366476
29.65625
[ { "activation": 29.65625, "uniref_id": "X1UX36" }, { "activation": 29.546875, "uniref_id": "A0A9E6F9B2" }, { "activation": 29.390625, "uniref_id": "A0A1F7WX57" }, { "activation": 29.25, "uniref_id": "K2CSD4" }, { "activation": 29.25, "uniref_id": "A0A1F7YLI8" ...
[ { "activation": 27.142436981201172, "uniprot_id": "O31774" }, { "activation": 26.671964645385742, "uniprot_id": "Q15SF2" }, { "activation": 26.528392791748047, "uniprot_id": "Q3B400" }, { "activation": 26.244543075561523, "uniprot_id": "Q21ZA0" }, { "activation": ...
[ 7016, 15115, 6375, 13430, 9728, 8975, 5712, 9745, 12950, 11760 ]
0.296313
94
Summary: Short glycine/serine/proline–enriched coil/turn segments at secondary‑structure junctions (beta‑turns and helix‑capping loops), typically the small loops connecting strands or marking coil→helix/coil→strand transitions; a generic structural loop motif that recurs across diverse enzymes and repeat scaffolds and...
Short glycine/serine/proline–enriched coil/turn segments at secondary‑structure junctions (beta‑turns and helix‑capping loops), typically the small loops connecting strands or marking coil→helix/coil→strand transitions; a generic structural loop motif that recurs across diverse enzymes and repeat scaffolds and can lie ...
Residue-level peaks clustered over 3–8 residues, with maxima often on Gly/Ser/Pro; occurs in DSSP “C” coils or at boundaries between coils and helices/strands; frequently repeats periodically within repeat domains; commonly in flexible/low‑pLDDT regions but also in well‑defined loops; multiple short clusters per protei...
Structural motif
• DNA ligases: short helix/turn segment within the C‑terminal ligase domain (coil flanking a short helix). • Integrin alpha FG‑GAP beta‑propellers: discrete G/P‑centered turns and coil→helix transitions within FG‑GAP repeats. • Kelch‑repeat beta‑propeller scaffolds: inter‑strand connector loops repeated across kelch bl...
87,174,202
0.869657
13.007813
[ { "activation": 13.0078125, "uniref_id": "UPI003014B4E9" }, { "activation": 12.8671875, "uniref_id": "UPI002729AC81" }, { "activation": 12.8125, "uniref_id": "UPI0026003D0D" }, { "activation": 12.7734375, "uniref_id": "UPI00307E4EA1" }, { "activation": 12.75, ...
[ { "activation": 9.600691795349121, "uniprot_id": "A0R5T2" }, { "activation": 9.502592086791992, "uniprot_id": "A2QVZ0" }, { "activation": 9.370346069335938, "uniprot_id": "H6LC30" }, { "activation": 9.361666679382324, "uniprot_id": "Q9ZEP5" }, { "activation": 9.33...
[ 8071, 5069, 14101, 951, 3781, 14585, 14093, 7533, 7534, 11958 ]
0.125844
95
Summary: N-terminal subdomain of lithium-sensitive/metallo-dependent phosphomonoesterases centered on the IMPase/IPPase/PAP (SuhB/IMPL, BPNT) family, characterized by acidic Ser/Thr- and Gly-rich loop/β-strand/α-helix elements that precede the catalytic pocket and can include an N-terminal Mg2+-ligating Asp/Glu; also c...
N-terminal subdomain of lithium-sensitive/metallo-dependent phosphomonoesterases centered on the IMPase/IPPase/PAP (SuhB/IMPL, BPNT) family, characterized by acidic Ser/Thr- and Gly-rich loop/β-strand/α-helix elements that precede the catalytic pocket and can include an N-terminal Mg2+-ligating Asp/Glu; also captured i...
Regional activation spanning the N-terminal half of the phosphatase domain, with a sharp onset at the domain boundary (immediately after transit/signal peptides when present), broad elevated signal across early loops/strands/helices, and localized peaks in D/T-rich or glycine-rich loops (occasionally at an N-terminal m...
Domain
- Inositol polyphosphate 1-phosphatase (IMPase family): activation over the N-terminal lobe/loops; includes an N-terminal Mg2+-binding acidic residue in some cases; no activation in the C-terminal substrate pocket. - Plant chloroplastic IMPL2 (inositol monophosphatase-like phosphatase): activation begins at the start o...
4,242,189
3.892486
28.453125
[ { "activation": 28.453125, "uniref_id": "A0AAJ8LJ67" }, { "activation": 28.390625, "uniref_id": "A0A9W8Y595" }, { "activation": 28.359375, "uniref_id": "A0A524N8G4" }, { "activation": 28.34375, "uniref_id": "A0A8T5W1Y7" }, { "activation": 28.1875, "uniref_id":...
[ { "activation": 26.621368408203125, "uniprot_id": "P9WKI9" }, { "activation": 26.321992874145508, "uniprot_id": "Q05533" }, { "activation": 25.70586395263672, "uniprot_id": "Q2KJ53" }, { "activation": 25.26185417175293, "uniprot_id": "O67791" }, { "activation": 25...
[ 11263, 10115, 5024, 8391, 6939, 8580, 681, 5129, 4507, 13811 ]
0.141651
96
Summary: Long, compositionally biased, phosphorylation-prone intrinsically disordered terminal regions that serve as flexible interaction/regulatory segments in eukaryotic chaperone/co-chaperone and adaptor proteins; signal is suppressed within adjacent folded domains (e.g., CS, alpha-crystallin, TPR). Activation patte...
Long, compositionally biased, phosphorylation-prone intrinsically disordered terminal regions that serve as flexible interaction/regulatory segments in eukaryotic chaperone/co-chaperone and adaptor proteins; signal is suppressed within adjacent folded domains (e.g., CS, alpha-crystallin, TPR).
Regional activation over extended N- or C-terminal stretches (often 50–200+ residues) with low-to-moderate predicted confidence, enriched for acidic/basic and Ser/Pro/Gly residues and sometimes transient/coiled-coil propensity; minimal activation within well-structured globular domains; occasional local peaks around an...
Disorder
- NudC/CS-domain proteins (nuclear movement/chaperone adaptors): strong activation on the N- and C-terminal disordered tails harboring phosphosites; suppressed over the central CS domain. - Small heat shock proteins (alpha-crystallin family): activation across the long, low-complexity N-terminal region; little to no ac...
6,501,855
3.465478
21
[ { "activation": 21, "uniref_id": "UPI0005F55DB7" }, { "activation": 20.96875, "uniref_id": "A0A3P7BTS5" }, { "activation": 20.953125, "uniref_id": "UPI00351F30AE" }, { "activation": 20.953125, "uniref_id": "A0A6J1QI88" }, { "activation": 20.953125, "uniref_id"...
[ { "activation": 19.840023040771484, "uniprot_id": "Q5VJS5" }, { "activation": 19.672313690185547, "uniprot_id": "Q5FVL7" }, { "activation": 18.047168731689453, "uniprot_id": "O94966" }, { "activation": 17.189611434936523, "uniprot_id": "P17624" }, { "activation": ...
[ 5843, 7582, 3042, 7894, 15630, 13160, 16206, 6443, 15872, 12117 ]
0.237137
97
Summary: Heptad‑repeat amphipathic α‑helical coiled‑coil interaction surface used for oligomerization/assembly (residues lying on one helical face, enriched for L/I/V/A with interspersed charged K/E/R/Q, glycine/proline disfavored) Activation pattern: Residue‑level peaks recurring every ~7 residues within a single cont...
Heptad‑repeat amphipathic α‑helical coiled‑coil interaction surface used for oligomerization/assembly (residues lying on one helical face, enriched for L/I/V/A with interspersed charged K/E/R/Q, glycine/proline disfavored)
Residue‑level peaks recurring every ~7 residues within a single contiguous α‑helical region (often near the N‑terminus); peaks align along one helical face consistent with coiled‑coil a/d (and supportive e/g) positions; little to no activation in β‑strands or disordered segments; typically 5–15 residues per protein
Structural motif
- Prefoldin subunits: periodic residues along the long coiled‑coil “tentacle” helices (heptad pattern on one face) - ESCRT‑III/CHMP proteins: N‑terminal/central helical hairpin interface used in polymerization, selecting the coiled‑coil/amphipathic interaction face - ATP synthase F1 ε/δ subunits: C‑terminal/peripheral ...
48,135,522
1.463545
18.359375
[ { "activation": 18.359375, "uniref_id": "UPI002916F2F4" }, { "activation": 18.1875, "uniref_id": "UPI001EDE94E4" }, { "activation": 18.125, "uniref_id": "UPI0028E78247" }, { "activation": 18.125, "uniref_id": "A0A9X2HG65" }, { "activation": 18.03125, "uniref_i...
[ { "activation": 13.751052856445312, "uniprot_id": "P59074" }, { "activation": 13.650548934936523, "uniprot_id": "Q72V44" }, { "activation": 13.050939559936523, "uniprot_id": "Q12513" }, { "activation": 13.010936737060547, "uniprot_id": "Q89462" }, { "activation": ...
[ 7283, 9171, 8688, 4400, 5141, 8849, 12987, 622, 2671, 12555 ]
0.446314
98
Summary: Alpha-helical scaffold repeats of the Armadillo/HEAT/TPR superfamily, with strongest signal on the repeating helix–turn–helix units; the feature also captures some long coiled-coil scaffold/adaptor proteins that present a similar repetitive helical geometry in eukaryotes. Activation pattern: Domain-level activ...
Alpha-helical scaffold repeats of the Armadillo/HEAT/TPR superfamily, with strongest signal on the repeating helix–turn–helix units; the feature also captures some long coiled-coil scaffold/adaptor proteins that present a similar repetitive helical geometry in eukaryotes.
Domain-level activation spanning long arrays of helical repeats with regularly spaced residue-level peaks in the coil/turn connectors between helices (and adjacent helical residues); minimal activation in non-solenoid enzymatic domains and signal/transit peptides. In coiled-coil scaffolds, activation can extend along t...
Domain
- SARM1 (innate immunity NAD+ hydrolase): activation confined to the N‑terminal Armadillo repeat domain, peaking in loop/turns; absent in SAM and TIR catalytic domains and in the transit peptide. - Hsp70 nucleotide-exchange factor Fes1: activation along Armadillo repeats, strongest in coil/turn connectors (with occasio...
13,048,796
2.768869
23.71875
[ { "activation": 23.71875, "uniref_id": "A0A7K4IU23" }, { "activation": 23.375, "uniref_id": "A0A0R3T4I7" }, { "activation": 23.3125, "uniref_id": "A0A7K5H8J7" }, { "activation": 23.21875, "uniref_id": "A0A0R3SIA5" }, { "activation": 23.21875, "uniref_id": "A0A...
[ { "activation": 22.374755859375, "uniprot_id": "Q10435" }, { "activation": 22.153709411621094, "uniprot_id": "Q6WWW4" }, { "activation": 22.0976619720459, "uniprot_id": "Q14669" }, { "activation": 22.01848602294922, "uniprot_id": "P33202" }, { "activation": 21.944...
[ 3731, 7284, 16246, 12951, 16036, 14186, 977, 12704, 14583, 1582 ]
0.456808
99
Summary: Glycine‑centered signal—strongest on collagen‑like Gly‑X‑Y repeats and Gly/Ser/Thr‑rich flexible linkers/tails common in secreted/extracellular and small regulatory proteins—and also on isolated glycine‑dependent motifs in otherwise structured proteins; includes the glycine‑rich inter‑domain linker of ECF/alte...
Glycine‑centered signal—strongest on collagen‑like Gly‑X‑Y repeats and Gly/Ser/Thr‑rich flexible linkers/tails common in secreted/extracellular and small regulatory proteins—and also on isolated glycine‑dependent motifs in otherwise structured proteins; includes the glycine‑rich inter‑domain linker of ECF/alternative s...
Residue‑level peaks on glycine (secondarily serine/threonine) that either occur as isolated hotspots (e.g., conserved glycine(s) in flexible loops/motifs such as the Walker A/P‑loop) or expand into regional activation across repetitive Gly‑X‑Y tracts or other low‑complexity stretches; often includes the first few N‑ter...
Compositional bias
- Fibrillar collagens and collagen‑like proteins: strong, periodic activation across Gly‑X‑Y triple‑helix repeats (peaks on every third Gly) - Bacterial ECF (alternative) sigma factors: activation on the glycine‑rich flexible linker connecting sigma2 and sigma4 domains (mid/C‑terminal region) - Secreted micropeptides, ...
90,610,173
0.830999
12.234375
[ { "activation": 12.234375, "uniref_id": "A0A3L6FW01" }, { "activation": 11.59375, "uniref_id": "P82436" }, { "activation": 11.171875, "uniref_id": "A0A2P4SBJ8" }, { "activation": 10.96875, "uniref_id": "A0A6V7M7Z1" }, { "activation": 10.9140625, "uniref_id": "...
[ { "activation": 6.611855983734131, "uniprot_id": "Q02940" }, { "activation": 6.367056369781494, "uniprot_id": "A0A1B0GTK4" }, { "activation": 6.2474212646484375, "uniprot_id": "P03086" }, { "activation": 6.209904193878174, "uniprot_id": "P9WGH5" }, { "activation":...
[ 8375, 10298, 10582, 11830, 6352, 11192, 15679, 10709, 7547, 6757 ]
0.229952