Enzymes A-Z
Complete database of 6965 enzymes with EC numbers, catalytic activities, alternative names, and UniProt cross-references. Browse by EC class or search for specific enzymes.
Enzymes A-Z
Complete database of 6965 enzymes with EC numbers, catalytic activities, alternative names, and UniProt cross-references. Browse by EC class or search for specific enzymes.
vitamin-K-epoxide reductase (warfarin-insensitive) (EC 1.17.4.5)
vitamin-K-epoxide reductase (warfarin-insensitive). EC 1.17.4.5.. 3-hydroxy-2-methyl-3-phytyl-2,3-dihydro-1,4-naphthoquinone + oxidized
vitamin-K-epoxide reductase (warfarin-sensitive) (EC 1.17.4.4)
vitamin-K-epoxide reductase (warfarin-sensitive). EC 1.17.4.4.. (1) phylloquinone + [protein]-disulfide + H2O = 2,3-epoxyphylloquinone +
vitexin 2''-O-rhamnoside 7-O-methyltransferase (EC 2.1.1.153)
vitexin 2''-O-rhamnoside 7-O-methyltransferase. EC 2.1.1.153.. vitexin 2''-O-beta-L-rhamnoside + S-adenosyl-L-methionine = 7-O-
vitexin beta-glucosyltransferase (EC 2.4.1.105)
vitexin beta-glucosyltransferase. EC 2.4.1.105.. vitexin + UDP-alpha-D-glucose = vitexin 2''-O-beta-D-glucoside + UDP +
vomifoliol dehydrogenase (EC 1.1.1.221)
vomifoliol dehydrogenase. EC 1.1.1.221.. (6S,9R)-vomifoliol + NAD(+) = (6S)-6-hydroxy-3-oxo-alpha-ionone + NADH +
vomilenine glucosyltransferase (EC 2.4.1.219)
vomilenine glucosyltransferase. EC 2.4.1.219.. vomilenine + UDP-alpha-D-glucose = raucaffricine + UDP + H(+).
vomilenine reductase (EC 1.5.1.32)
vomilenine reductase. EC 1.5.1.32.. (2R)-1,2-dihydrovomilenine + NADP(+) = vomilenine + NADPH + H(+).
Watasenia-luciferin 2-monooxygenase (EC 1.13.12.8)
Watasenia-luciferin 2-monooxygenase. EC 1.13.12.8.. Watasenia luciferin + O2 = oxidized Watasenia luciferin + hnu + CO2.
wax-ester hydrolase (EC 3.1.1.50)
wax-ester hydrolase. EC 3.1.1.50.. a long-chain alcohol wax ester + H2O = a long chain fatty alcohol +
Xaa-Arg dipeptidase (EC 3.4.13.4)
Xaa-Arg dipeptidase. EC 3.4.13.4.. (1) beta-alanyl-L-lysine + H2O = beta-alanine + L-lysine.
Xaa-methyl-His dipeptidase (EC 3.4.13.5)
Xaa-methyl-His dipeptidase. EC 3.4.13.5.. Hydrolysis of anserine (beta-alanyl-|-N(pi)-methyl-L-histidine),
Xaa-Pro aminopeptidase (EC 3.4.11.9)
Xaa-Pro aminopeptidase. EC 3.4.11.9.. Release of any N-terminal amino acid, including proline, that is linked
Xaa-Pro dipeptidase (EC 3.4.13.9)
Xaa-Pro dipeptidase. EC 3.4.13.9.. Xaa-L-Pro dipeptide + H2O = an L-alpha-amino acid + L-proline.
Xaa-Pro dipeptidyl-peptidase (EC 3.4.14.11)
Xaa-Pro dipeptidyl-peptidase. EC 3.4.14.11.. Hydrolyzes Xaa-Pro-|- bonds to release unblocked, N-terminal dipeptides
Xaa-Trp aminopeptidase (EC 3.4.11.16)
Xaa-Trp aminopeptidase. EC 3.4.11.16.. Release of a variety of N-terminal residues (especially glutamate and
Xaa-Xaa-Pro tripeptidyl-peptidase (EC 3.4.14.12)
Xaa-Xaa-Pro tripeptidyl-peptidase. EC 3.4.14.12.. Hydrolysis of Xaa-Xaa-Pro-|-Yaa- releasing the N-terminal tripeptide of a
xanthan lyase (EC 4.2.2.12)
xanthan lyase. EC 4.2.2.12.. Eliminative cleavage of the terminal beta-D-mannosyl-(1->4)-beta-D-
xanthan pyruvate transferase (EC 2.5.1.95)
xanthan pyruvate transferase. EC 2.5.1.95.. beta-D-Man-(1->4)-beta-D-GlcA-(1->2)-alpha-D-Man-(1->3)-beta-D-Glc-
xanthine dehydrogenase (EC 1.17.1.4)
xanthine dehydrogenase. EC 1.17.1.4.. xanthine + NAD(+) + H2O = urate + NADH + H(+).
xanthine dioxygenase (EC 1.14.11.48)
xanthine dioxygenase. EC 1.14.11.48.. xanthine + 2-oxoglutarate + O2 = urate + succinate + CO2.
xanthine oxidase (EC 1.17.3.2)
xanthine oxidase. EC 1.17.3.2.. xanthine + O2 + H2O = urate + H2O2.
xanthine phosphoribosyltransferase (EC 2.4.2.22)
xanthine phosphoribosyltransferase. EC 2.4.2.22.. XMP + diphosphate = xanthine + 5-phospho-alpha-D-ribose 1-diphosphate.
xanthohumol 4-O-methyltransferase (EC 2.1.1.339)
xanthohumol 4-O-methyltransferase. EC 2.1.1.339.. xanthohumol + S-adenosyl-L-methionine = 4-O-methylxanthohumol +
xanthommatin reductase (EC 1.3.1.41)
xanthommatin reductase. EC 1.3.1.41.. 5,12-dihydroxanthommatin + NAD(+) = xanthommatin + NADH + H(+).
xanthomonalisin (EC 3.4.21.101)
xanthomonalisin. EC 3.4.21.101.. Cleavage of casein.
xanthoxin dehydrogenase (EC 1.1.1.288)
xanthoxin dehydrogenase. EC 1.1.1.288.. 2-cis,4-trans-xanthoxin + NAD(+) = 2-cis-(+)-abscisic aldehyde + NADH +
XTP/dITP diphosphatase (EC 3.6.1.66)
XTP/dITP diphosphatase. EC 3.6.1.66.. (1) XTP + H2O = XMP + diphosphate + H(+).
xylan 1,3-beta-xylosidase (EC 3.2.1.72)
xylan 1,3-beta-xylosidase. EC 3.2.1.72.. Hydrolysis of successive xylose residues from the non-reducing termini of
xylan 1,4-beta-xylosidase (EC 3.2.1.37)
xylan 1,4-beta-xylosidase. EC 3.2.1.37.. Hydrolysis of (1->4)-beta-D-xylans, to remove successive D-xylose
xylan alpha-1,2-glucuronosidase (EC 3.2.1.131)
xylan alpha-1,2-glucuronosidase. EC 3.2.1.131.. Hydrolysis of (1->2)-alpha-D-(4-O-methyl)glucuronosyl links in the main
xylitol kinase (EC 2.7.1.122)
xylitol kinase. EC 2.7.1.122.. xylitol + ATP = xylitol 5-phosphate + ADP + H(+).
xylogalacturonan beta-1,3-xylosyltransferase (EC 2.4.2.41)
xylogalacturonan beta-1,3-xylosyltransferase. EC 2.4.2.41.. Transfers a xylosyl residue from UDP-D-xylose to a D-galactose residue in
xyloglucan 4-glucosyltransferase (EC 2.4.1.168)
xyloglucan 4-glucosyltransferase. EC 2.4.1.168.. Transfers a beta-D-glucosyl residue from UDP-glucose on to a glucose
xyloglucan 6-xylosyltransferase (EC 2.4.2.39)
xyloglucan 6-xylosyltransferase. EC 2.4.2.39.. Transfers an alpha-D-xylosyl residue from UDP-D-xylose to a glucose
xyloglucan-specific endo-beta-1,4-glucanase (EC 3.2.1.151)
xyloglucan-specific endo-beta-1,4-glucanase. EC 3.2.1.151.. xyloglucan + H2O = xyloglucan oligosaccharides.
xyloglucan-specific endo-processive beta-1,4-glucanase (EC 3.2.1.155)
xyloglucan-specific endo-processive beta-1,4-glucanase. EC 3.2.1.155.. Hydrolysis of (1->4)-D-glucosidic linkages in xyloglucans so as to
xyloglucan:xyloglucosyl transferase (EC 2.4.1.207)
xyloglucan:xyloglucosyl transferase. EC 2.4.1.207.. breaks a beta-(1->4) bond in the backbone of a xyloglucan and transfers
xylonate dehydratase (EC 4.2.1.82)
xylonate dehydratase. EC 4.2.1.82.. D-xylonate = 2-dehydro-3-deoxy-D-arabinonate + H2O.
xylono-1,4-lactonase (EC 3.1.1.68)
xylono-1,4-lactonase. EC 3.1.1.68.. D-xylono-1,4-lactone + H2O = D-xylonate + H(+).
xylono-1,5-lactonase (EC 3.1.1.110)
xylono-1,5-lactonase. EC 3.1.1.110.. D-xylono-1,5-lactone + H2O = D-xylonate + H(+).
xylose isomerase (EC 5.3.1.5)
xylose isomerase. EC 5.3.1.5.. alpha-D-xylose = alpha-D-xylulofuranose.
xylosyl alpha-1,3-xylosyltransferase (EC 2.4.2.62)
xylosyl alpha-1,3-xylosyltransferase. EC 2.4.2.62.. 3-O-[alpha-D-xylosyl-(1->3)-beta-D-glucosyl]-L-seryl-[EGF-like domain
xylosylprotein 4-beta-galactosyltransferase (EC 2.4.1.133)
xylosylprotein 4-beta-galactosyltransferase. EC 2.4.1.133.. 3-O-(beta-D-xylosyl)-L-seryl-[protein] + UDP-alpha-D-galactose = 3-O-
xylulokinase (EC 2.7.1.17)
xylulokinase. EC 2.7.1.17.. D-xylulose + ATP = D-xylulose 5-phosphate + ADP + H(+).
yapsin 1 (EC 3.4.23.41)
yapsin 1. EC 3.4.23.41.. Hydrolyzes various precursor proteins with Arg or Lys in P1, and commonly
yeast ribonuclease (EC 3.1.14.1)
yeast ribonuclease. EC 3.1.14.1.. Exonucleolytic cleavage to nucleoside 3'-phosphates.
zealexin A1 synthase (EC 1.14.14.160)
zealexin A1 synthase. EC 1.14.14.160.. (S)-beta-macrocarpene + 3 reduced [NADPH--hemoprotein reductase] + 3 O2 =
zeatin 9-aminocarboxyethyltransferase (EC 2.5.1.50)
zeatin 9-aminocarboxyethyltransferase. EC 2.5.1.50.. zeatin + O-acetyl-L-serine = L-lupinate + acetate + H(+).
zeatin O-beta-D-xylosyltransferase (EC 2.4.2.40)
zeatin O-beta-D-xylosyltransferase. EC 2.4.2.40.. zeatin + UDP-alpha-D-xylose = O-beta-D-xylosylzeatin + UDP + H(+).
zeatin reductase (EC 1.3.1.69)
zeatin reductase. EC 1.3.1.69.. dihydrozeatin + NADP(+) = zeatin + NADPH + H(+).
zeaxanthin 4-ketolase (EC 1.14.99.64)
zeaxanthin 4-ketolase. EC 1.14.99.64.. (1) all-trans-zeaxanthin + 2 AH2 + 2 O2 = all-trans-adonixanthin + 2 A +
zeaxanthin epoxidase (EC 1.14.15.21)
zeaxanthin epoxidase. EC 1.14.15.21.. all-trans-zeaxanthin + 4 reduced [2Fe-2S]-[ferredoxin] + 2 O2 + 4 H(+) =
zeaxanthin glucosyltransferase (EC 2.4.1.276)
zeaxanthin glucosyltransferase. EC 2.4.1.276.. all-trans-zeaxanthin + 2 UDP-alpha-D-glucose = zeaxanthin bis(beta-D-
zerumbone synthase (EC 1.1.1.326)
zerumbone synthase. EC 1.1.1.326.. 10-hydroxy-alpha-humulene + NAD(+) = zerumbone + NADH + H(+).
zeta-carotene isomerase (EC 5.2.1.12)
zeta-carotene isomerase. EC 5.2.1.12.. 9,9',15-tri-cis-zeta-carotene = 9,9'-di-cis-zeta-carotene.
zinc D-Ala-D-Ala carboxypeptidase (EC 3.4.17.14)
zinc D-Ala-D-Ala carboxypeptidase. EC 3.4.17.14.. Cleavage of the bond: (Ac)2-L-lysyl-D-alanyl-|-D-alanine.
zingiberene synthase (EC 4.2.3.65)
zingiberene synthase. EC 4.2.3.65.. (2E,6E)-farnesyl diphosphate = alpha-zingiberene + diphosphate.
zingipain (EC 3.4.22.67)
zingipain. EC 3.4.22.67.. Preferential cleavage of peptides with a proline residue at the P2