Browse the table below for Unipeptide Families that have been assigned to individual Gene Ontology (GO) Molecular Function categories. Assignments have been made computationally based on the results from Interproscan of one representative from each subfamily.

Molecular FunctionUnipeptide Families
3'-5' exonuclease activity2286, 3457, 4304, 4405, 4466, 4846, 5392, 6597, 6674, 7148, 8214, 9165, 9769, 14793
3'-5'-exoribonuclease activity3456, 3613, 3990, 4135, 4402, 4420, 4474, 10774, 15949, 16151, 19725
3-isopropylmalate dehydratase activity2821
3-oxoacyl-[acyl-carrier protein] reductase activity1641
5'-3' exonuclease activity3035, 6817, 10478, 19671
5-amino-6-(5-phosphoribosylamino)uracil reductase activity5440
acetate-CoA ligase activity1139
acetyltransferase activity6127, 12890, 15498
acid phosphatase activity323, 834, 1278, 11243, 20130
acyl-CoA oxidase activity2926
adenyl-nucleotide exchange factor activity2567, 2812, 14434, 19577
alpha-N-arabinofuranosidase activity1074, 8595
aminoacylase activity955, 13083
AMP binding1139
anion exchanger activity1220, 8179
aspartate carbamoyltransferase activity3718
aspartate kinase activity1890
aspartate-semialdehyde dehydrogenase activity3370
ATP binding71, 112, 139, 181, 187, 203, 209, 228, 335, 400, 438, 524, 582, 649, 741, 758, 771, 798, 872, 892, 895, 958, 1147, 1170, 1239, 1276, 1376, 1394, 1446, 1501, 1554, 1567, 1620, 1621, 1868, 1889, 1942, 1990, 2053, 2196, 2214, 2272, 2320, 2646, 2650, 2814, 2822, 3084, 3201, 3240, 3385, 3487, 4211, 5080, 5419, 5424, 5473, 5580, 5697, 5738, 5801, 6246, 6342, 6920, 7284, 7512, 7538, 7567, 7790, 7808, 7959, 7967, 7968, 7981, 7986, 7987, 8002, 8143, 8527, 8842, 8872, 8881, 9047, 9102, 9330, 9339, 9448, 9467, 9723, 10030, 10085, 10156, 10228, 10661, 11132, 11426, 11573, 11605, 11886, 12051, 12492, 12626, 12701, 13075, 13158, 13317, 13872, 13884, 13889, 13962, 13975, 14017, 14072, 14146, 14528, 14579, 14701, 14755, 14962, 15012, 15032, 15272, 15289, 15664, 15811, 15854, 15986, 16130, 16157, 16226, 16364, 16661, 16787, 17028, 17209, 17345, 17448, 18081, 18144, 18329, 18332, 18526, 18983, 19013, 19151, 19158, 19415, 19442, 19499, 19954, 19956, 20008, 20031, 20033, 20213, 20327, 20533, 20555, 20841, 20978, 20980, 21012, 21091
ATP-dependent DNA helicase activity5419, 10156
ATP-dependent helicase activity649, 7567, 7808, 9102, 12051, 13075, 13158, 15012, 18081, 18332
ATPase activity82, 85, 106, 126, 206, 307, 396, 476, 652, 1073, 1090, 1135, 1163, 1484, 1930, 1958, 2209, 2303, 2646, 2653, 3084, 3312, 3487, 3505, 3519, 3636, 4002, 4817, 4968, 4971, 5055, 5390, 5857, 6246, 6732, 7136, 7966, 9964, 10416, 10835, 13228, 13511, 14072, 14103, 16155, 20032
beta-lactamase activity2876, 17817, 21856
binding17, 32, 265, 267, 421, 430, 794, 1006, 1086, 1341, 1345, 1489, 1903, 2960, 3526, 3683, 3944, 4367, 5071, 5506, 7212, 9028, 11490, 13141, 14338, 14818, 15963, 19084, 21453, 22112
biotin binding2196, 2650, 9467, 16130, 20033
biotin synthase activity2510, 19964
calcium ion binding406, 642, 1230, 2291, 4619, 5477, 5540, 6293, 6305, 7724, 10382, 12151, 13520, 14014, 15673, 20577
carboxy-lyase activity460, 942
caspase activity1069, 1199
catalase activity73, 19934
catalytic activity63, 155, 196, 460, 620, 726, 740, 1024, 1236, 1296, 1378, 1437, 1502, 1512, 1669, 1697, 1781, 1783, 2048, 2133, 2196, 2510, 2575, 2650, 2762, 2799, 2841, 3886, 3964, 4084, 4113, 4279, 4384, 4552, 4567, 4794, 5068, 5421, 6976, 8462, 8695, 9356, 10181, 10452, 10860, 10921, 11231, 11725, 11788, 12163, 12309, 13019, 14433, 14468, 14615, 15016, 16459, 17449, 19599, 19912
chitinase activity2296, 4657
chlorophyll binding4388, 5114, 10471, 14762, 15593
chlorophyllase activity2836
copper ion binding87, 94, 623, 1579, 2062, 3516, 9913, 16070, 16181, 17074, 19045, 21729
coproporphyrinogen oxidase activity14468
cyclin-dependent protein kinase regulator activity2856, 17732
cytochrome-b5 reductase activity723
cytochrome-c oxidase activity3516, 16070
D-alanine-D-alanine ligase activity9557
damaged DNA binding14664
dihydroorotate oxidase activity2559
DNA binding53, 207, 221, 330, 663, 882, 911, 1060, 1065, 1169, 1552, 1692, 1728, 2121, 2272, 2547, 2632, 3198, 3410, 4049, 5119, 5329, 5344, 5419, 5872, 6028, 6173, 6196, 6223, 6460, 6550, 6804, 6860, 6874, 7119, 7482, 7807, 8045, 8213, 8601, 8953, 9166, 9213, 9330, 9500, 9554, 9616, 10156, 10233, 10735, 11016, 11679, 11910, 11951, 12327, 12353, 12424, 12775, 12870, 13219, 13498, 13836, 15029, 15137, 15731, 15812, 16067, 16161, 16390, 17019, 17782, 17840, 17886, 17957, 18160, 18703, 19036, 19306, 19368, 19537, 19663, 19689, 20017, 20205, 20506, 20595, 20876, 20947, 20952, 21731, 22026
DNA helicase IV activity958, 19415
DNA ligase (ATP) activity2272, 11886, 12814
DNA topoisomerase (ATP-hydrolyzing) activity9330
DNA-directed RNA polymerase activity2405, 2523, 2871, 2956, 4193, 5119, 5872, 5958, 9216, 14813, 15812, 17390, 17960, 18380, 20535
dopamine beta-monooxygenase activity2829, 7491
electron carrier activity540
electron transporter activity303, 491, 976, 3170, 3322, 5955, 6010, 7437, 10459
FAD binding452, 577, 718, 723, 936, 1140, 1808, 2926, 3965, 19702
ferredoxin-NADP+ reductase activity452
ferrous iron binding1536
FMN binding299, 426, 674, 785, 2500, 3548, 3767, 3964, 4643, 6995, 7809, 9191, 11954, 13934, 19120, 19135, 19502
geranylgeranyl reductase activity1253
glucose-1-phosphate adenylyltransferase activity316
glutamate decarboxylase activity317
glutamate-cysteine ligase activity1947
glutamyl-tRNA(Gln) amidotransferase activity5266
growth factor activity9850, 13366, 18828, 20103
GTP binding3490, 4942, 10142, 10843, 10865, 17932, 21078
GTPase activity1082, 1160, 1191, 4942, 9813, 11786, 14869, 15585, 15586, 17932, 21078
GTPase binding3490, 10843, 10865
guanyl nucleotide binding12, 1017, 2771
guanyl-nucleotide exchange factor activity3490, 10843, 10865
helicase activity112, 139, 181, 187, 649, 758, 872, 892, 895, 1147, 1376, 1446, 1501, 1868, 1889, 1990, 3201, 3385, 4211, 5424, 5473, 5580, 5697, 5738, 5801, 6342, 6920, 7512, 7790, 8872, 8881, 9047, 9339, 9448, 10156, 10228, 10661, 12626, 13889, 13962, 13975, 14017, 14701, 15032, 15272, 15811, 15986, 16364, 17028, 18983, 19013, 21012, 21091
heme binding17, 44, 64, 238, 239, 332, 359, 362, 387, 425, 519, 525, 579, 953, 976, 1076, 1151, 1235, 1245, 1281, 1308, 1521, 1667, 1804, 2077, 2172, 2344, 2697, 3414, 3450, 3520, 3898, 4546, 6010, 6311, 6629, 6641, 7061, 7267, 7961, 7970, 7977, 7980, 7985, 8030, 9498, 11038, 11821, 12721, 12722, 12993, 13189, 13250, 13327, 13522, 13569, 14509, 14570, 14941, 15064, 15129, 15186, 15303, 15560, 15639, 15953, 15991, 16174, 16177, 16307, 16314, 16340, 16375, 16474, 16599, 16870, 17021, 17120, 17122, 17607, 17753, 18021, 18151, 18290, 18769, 18886, 19167, 19218, 20191, 20235, 21766, 21787, 21849, 21921, 21966
histidinol dehydrogenase activity2340
hydro-lyase activity3390
hydrolase activity405, 1900, 2365, 3825
hydroxymethylglutaryl-CoA synthase activity1014
inorganic diphosphatase activity193, 386, 437, 490, 680, 1069, 1210, 2194, 3048, 3700, 7029, 9450, 13920, 14484, 14904, 15721, 15904
inositol or phosphatidylinositol phosphatase activity8743
iron ion binding17, 44, 64, 238, 239, 303, 332, 362, 519, 525, 579, 654, 785, 953, 1076, 1087, 1235, 1245, 1278, 1281, 1296, 1308, 1344, 1521, 1667, 2077, 2172, 2344, 2510, 2697, 2799, 2864, 3414, 3450, 3520, 3797, 3886, 3898, 3964, 4183, 4279, 4546, 4567, 5068, 5086, 5192, 5421, 5819, 5955, 6010, 6629, 6641, 7267, 7961, 7970, 7977, 7980, 7985, 8345, 9336, 9498, 10181, 10921, 11038, 11821, 12721, 12722, 12993, 13189, 13250, 13327, 13569, 14433, 14468, 14509, 14570, 14941, 15064, 15129, 15186, 15303, 15560, 15639, 15953, 15991, 16174, 16177, 16307, 16314, 16340, 16375, 16403, 16474, 16599, 16870, 17021, 17120, 17122, 17371, 17607, 17753, 18021, 18151, 18290, 18769, 18886, 19167, 19218, 19841, 19964, 20191, 20235, 21766, 21787, 21849, 21921, 21966
iron ion transporter activity5220
isocitrate dehydrogenase (NADP+) activity502
isopentenyl-diphosphate delta-isomerase activity1451
L-lactate dehydrogenase activity2168
L-malate dehydrogenase activity169, 656, 9725, 14025, 14058, 15193
ligase activity1206, 2196, 2360, 2650, 4962, 6209, 9394, 9467, 16130, 20033, 20944
lipase activity120, 127, 161
lipid transporter activity7890, 17624
lyase activity1637
magnesium ion binding209, 386, 437, 460, 490, 680, 1069, 1210, 2194, 3048, 3700, 7029, 7284, 9450, 13920, 14484, 14664, 15904
magnesium protoporphyrin IX methyltransferase activity17713
malate dehydrogenase activity656
manganese ion binding775, 1804
mannosidase activity613, 3131, 11763, 12213, 18308
metal ion binding502, 654, 2763, 16449, 21019
metalloendopeptidase activity228, 400, 11605, 15854
methylmalonate-semialdehyde dehydrogenase (acylating) activity1347
microtubule motor activity621, 1021, 1129, 1468, 8218, 13468, 14219, 14886, 15707, 15988, 17394, 18748, 18938, 19430, 20954
monooxygenase activity17, 44, 64, 238, 239, 332, 362, 519, 525, 579, 953, 1076, 1235, 1245, 1308, 1521, 1667, 2077, 2172, 2344, 2697, 3414, 3450, 3520, 3898, 4546, 6629, 6641, 7267, 7961, 7970, 7977, 7980, 7985, 9498, 11038, 11821, 12721, 12722, 12993, 13189, 13250, 13327, 13569, 14509, 14570, 14941, 15064, 15129, 15186, 15303, 15560, 15639, 15953, 15991, 16174, 16177, 16307, 16314, 16340, 16375, 16474, 16599, 16870, 17021, 17120, 17122, 17607, 17753, 18021, 18151, 18290, 18769, 18886, 19167, 19218, 20191, 20235, 21766, 21787, 21849, 21921, 21966
motor activity5091, 20149, 20429
N-acetyl-gamma-glutamyl-phosphate reductase activity3346
NAD+ ADP-ribosyltransferase activity789, 2257, 5953, 14998, 20692
NADH dehydrogenase (ubiquinone) activity5450
NADP binding452, 2187, 3370, 5440
nickel ion binding3006, 3360
nucleic acid binding24, 36, 112, 124, 139, 173, 181, 187, 213, 253, 256, 501, 622, 649, 682, 691, 727, 758, 774, 807, 811, 855, 872, 888, 892, 895, 917, 978, 994, 1027, 1058, 1075, 1093, 1101, 1131, 1147, 1164, 1178, 1195, 1261, 1321, 1365, 1371, 1376, 1380, 1446, 1448, 1501, 1519, 1582, 1767, 1777, 1850, 1868, 1889, 1990, 2115, 2222, 2486, 2532, 2578, 2608, 3113, 3155, 3199, 3201, 3244, 3329, 3341, 3385, 3481, 3992, 4130, 4211, 4309, 4401, 4429, 4617, 4799, 4887, 4906, 4963, 5022, 5155, 5235, 5424, 5473, 5481, 5495, 5580, 5651, 5697, 5738, 5801, 5964, 5977, 6175, 6294, 6295, 6342, 6388, 6487, 6583, 6663, 6721, 6737, 6841, 6920, 6930, 7011, 7066, 7193, 7406, 7419, 7509, 7512, 7534, 7565, 7580, 7592, 7681, 7696, 7780, 7790, 8101, 8197, 8205, 8424, 8472, 8634, 8864, 8872, 8881, 9047, 9185, 9339, 9369, 9448, 9454, 9514, 9682, 9733, 9770, 10033, 10156, 10228, 10307, 10308, 10392, 10661, 10685, 10726, 10746, 10816, 10902, 10914, 11081, 11376, 11642, 11695, 11770, 11920, 11975, 12025, 12134, 12245, 12474, 12504, 12547, 12626, 12674, 12930, 13039, 13280, 13574, 13578, 13581, 13644, 13854, 13889, 13899, 13962, 13975, 14017,