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.
orcinol 2-monooxygenase (EC 1.14.13.6)
orcinol 2-monooxygenase. EC 1.14.13.6.. orcinol + NADH + O2 + H(+) = 2,3,5-trihydroxytoluene + NAD(+) + H2O.
ornithine aminotransferase (EC 2.6.1.13)
ornithine aminotransferase. EC 2.6.1.13.. a 2-oxocarboxylate + L-ornithine = L-glutamate 5-semialdehyde +
ornithine carbamoyltransferase (EC 2.1.3.3)
ornithine carbamoyltransferase. EC 2.1.3.3.. carbamoyl phosphate + L-ornithine = L-citrulline + phosphate + H(+).
ornithine cyclodeaminase (EC 4.3.1.12)
ornithine cyclodeaminase. EC 4.3.1.12.. L-ornithine = L-proline + NH4(+).
ornithine decarboxylase (EC 4.1.1.17)
ornithine decarboxylase. EC 4.1.1.17.. L-ornithine + H(+) = putrescine + CO2.
ornithine lipid ester-linked acyl 2-hydroxylase (EC 1.14.11.58)
ornithine lipid ester-linked acyl 2-hydroxylase. EC 1.14.11.58.. an N(2)-[(3R)-3-(2-saturated-acyloxy)acyl]-L-ornithine lipid +
ornithine lipid N-methyltransferase (EC 2.1.1.344)
ornithine lipid N-methyltransferase. EC 2.1.1.344.. an N(2)-[(3R)-3-(2-saturated-acyloxy)acyl]-L-ornithine lipid +
ornithine N-benzoyltransferase (EC 2.3.1.127)
ornithine N-benzoyltransferase. EC 2.3.1.127.. 2 benzoyl-CoA + L-ornithine = N(2),N(5)-dibenzoyl-L-ornithine + 2 CoA +
ornithine racemase (EC 5.1.1.12)
ornithine racemase. EC 5.1.1.12.. L-ornithine = D-ornithine.
orotate phosphoribosyltransferase (EC 2.4.2.10)
orotate phosphoribosyltransferase. EC 2.4.2.10.. orotidine 5'-phosphate + diphosphate = orotate + 5-phospho-alpha-D-ribose
orotidine-5'-phosphate decarboxylase (EC 4.1.1.23)
orotidine-5'-phosphate decarboxylase. EC 4.1.1.23.. orotidine 5'-phosphate + H(+) = UMP + CO2.
orsellinate decarboxylase (EC 4.1.1.58)
orsellinate decarboxylase. EC 4.1.1.58.. orsellinate + H(+) = orcinol + CO2.
orsellinate-depside hydrolase (EC 3.1.1.40)
orsellinate-depside hydrolase. EC 3.1.1.40.. o-orsellinate depside + H2O = 2 orsellinate + H(+).
oryzalexin D synthase (EC 1.14.14.123)
oryzalexin D synthase. EC 1.14.14.123.. ent-sandaracopimaradien-3beta-ol + reduced [NADPH--hemoprotein reductase]
oryzalexin E synthase (EC 1.14.14.122)
oryzalexin E synthase. EC 1.14.14.122.. ent-sandaracopimaradien-3beta-ol + reduced [NADPH--hemoprotein reductase]
oryzin (EC 3.4.21.63)
oryzin. EC 3.4.21.63.. Hydrolysis of proteins with broad specificity, and of Bz-Arg-OEt >
oviductin (EC 3.4.21.120)
oviductin. EC 3.4.21.120.. Preferential cleavage at 371-Gly-Ser-Arg-|-Trp-374 of glycoprotein gp43
oxalate CoA-transferase (EC 2.8.3.2)
oxalate CoA-transferase. EC 2.8.3.2.. oxalate + succinyl-CoA = oxalyl-CoA + succinate.
oxalate decarboxylase (EC 4.1.1.2)
oxalate decarboxylase. EC 4.1.1.2.. oxalate + H(+) = formate + CO2.
oxalate oxidase (EC 1.2.3.4)
oxalate oxidase. EC 1.2.3.4.. oxalate + O2 + 2 H(+) = H2O2 + 2 CO2.
oxalate oxidoreductase (EC 1.2.7.10)
oxalate oxidoreductase. EC 1.2.7.10.. oxidized 2[4Fe-4S]-[ferredoxin] + oxalate = reduced 2[4Fe-4S]-
oxalate--CoA ligase (EC 6.2.1.8)
oxalate--CoA ligase. EC 6.2.1.8.. oxalate + ATP + CoA = oxalyl-CoA + AMP + diphosphate.
oxaloacetase (EC 3.7.1.1)
oxaloacetase. EC 3.7.1.1.. oxaloacetate + H2O = oxalate + acetate + H(+).
oxaloacetate decarboxylase (EC 4.1.1.112)
oxaloacetate decarboxylase. EC 4.1.1.112.. oxaloacetate + H(+) = pyruvate + CO2.
oxaloacetate decarboxylase (Na(+) extruding) (EC 7.2.4.2)
oxaloacetate decarboxylase (Na(+) extruding). EC 7.2.4.2.. oxaloacetate + 2 Na(+)(in) + H(+) = pyruvate + 2 Na(+)(out) + CO2.
oxaloacetate tautomerase (EC 5.3.2.2)
oxaloacetate tautomerase. EC 5.3.2.2.. oxaloacetate = enol-oxaloacetate.
oxaloglycolate reductase (decarboxylating) (EC 1.1.1.92)
oxaloglycolate reductase (decarboxylating). EC 1.1.1.92.. (1) (R)-glycerate + CO2 + NAD(+) = 2-hydroxy-3-oxosuccinate + NADH +
oxalomalate lyase (EC 4.1.3.13)
oxalomalate lyase. EC 4.1.3.13.. 3-oxalomalate = oxaloacetate + glyoxylate.
oxalyl-CoA decarboxylase (EC 4.1.1.8)
oxalyl-CoA decarboxylase. EC 4.1.1.8.. oxalyl-CoA + H(+) = formyl-CoA + CO2.
oxamate amidohydrolase (EC 3.5.1.126)
oxamate amidohydrolase. EC 3.5.1.126.. oxamate + H2O = oxalate + NH4(+).
oxamate carbamoyltransferase (EC 2.1.3.5)
oxamate carbamoyltransferase. EC 2.1.3.5.. oxamate + carbamoyl phosphate = N-carbamoyl-2-oxoglycine + phosphate.
oxazoline dehydrogenase (EC 1.3.3.16)
oxazoline dehydrogenase. EC 1.3.3.16.. (1) (1S,4R)-2-(C-substituted-aminomethyl)-4-acyl-2-thiazoline-[protein] +
oxazoline synthase (EC 6.2.2.2)
oxazoline synthase. EC 6.2.2.2.. (1) L-amino acyl-L-seryl-[protein] + ATP = (S,S)-2-(C-substituted-
oxepin-CoA hydrolase (EC 3.3.2.12)
oxepin-CoA hydrolase. EC 3.3.2.12.. 2-oxepin-2(3H)-ylideneacetyl-CoA + H2O = 3-oxo-5,6-dehydrosuberyl-CoA
oximinotransferase (EC 2.6.3.1)
oximinotransferase. EC 2.6.3.1.. 2-(hydroxyimino)propanoate + acetone = acetone oxime + pyruvate.
oxoglutarate dehydrogenase (succinyl-transferring) (EC 1.2.4.2)
oxoglutarate dehydrogenase (succinyl-transferring). EC 1.2.4.2.. N(6)-[(R)-lipoyl]-L-lysyl-[protein] + 2-oxoglutarate + H(+) = N(6)-[(R)-
p-benzoquinone reductase (NADPH) (EC 1.6.5.6)
p-benzoquinone reductase (NADPH). EC 1.6.5.6.. 1,4-benzoquinone + NADPH + H(+) = hydroquinone + NADP(+).
p-cumate 2,3-dioxygenase (EC 1.14.12.25)
p-cumate 2,3-dioxygenase. EC 1.14.12.25.. p-cumate + NADH + O2 + H(+) = (2R,3S)-2,3-dihydroxy-2,3-dihydro-p-cumate
p-cymene methyl-monooxygenase (EC 1.14.15.25)
p-cymene methyl-monooxygenase. EC 1.14.15.25.. p-cymene + 2 reduced [2Fe-2S]-[ferredoxin] + O2 + 2 H(+) =
P-type Ag(+) transporter (EC 7.2.2.15)
P-type Ag(+) transporter. EC 7.2.2.15.. Ag(+)(in) + ATP + H2O = Ag(+)(out) + ADP + phosphate + H(+).
P-type Ca(2+) transporter (EC 7.2.2.10)
P-type Ca(2+) transporter. EC 7.2.2.10.. Ca(2+)(in) + ATP + H2O = Ca(2+)(out) + ADP + phosphate + H(+).
P-type Cu(+) transporter (EC 7.2.2.8)
P-type Cu(+) transporter. EC 7.2.2.8.. Cu(+)(in) + ATP + H2O = Cu(+)(out) + ADP + phosphate + H(+).
P-type Cu(2+) transporter (EC 7.2.2.9)
P-type Cu(2+) transporter. EC 7.2.2.9.. Cu(2+)(in) + ATP + H2O = Cu(2+)(out) + ADP + phosphate + H(+).
P-type H(+)-exporting transporter (EC 7.1.2.1)
P-type H(+)-exporting transporter. EC 7.1.2.1.. ATP + H2O + H(+)(in) = ADP + phosphate + 2 H(+)(out).
P-type K(+) transporter (EC 7.2.2.6)
P-type K(+) transporter. EC 7.2.2.6.. K(+)(out) + ATP + H2O = K(+)(in) + ADP + phosphate + H(+).
P-type Mg(2+) transporter (EC 7.2.2.14)
P-type Mg(2+) transporter. EC 7.2.2.14.. Mg(2+)(out) + ATP + H2O = Mg(2+)(in) + ADP + phosphate + H(+).
P-type Mn(2+) transporter (EC 7.2.2.22)
P-type Mn(2+) transporter. EC 7.2.2.22.. Mn(2+)(in) + ATP + H2O = Mn(2+)(out) + ADP + phosphate + H(+).
P-type Na(+) transporter (EC 7.2.2.3)
P-type Na(+) transporter. EC 7.2.2.3.. Na(+)(in) + ATP + H2O = Na(+)(out) + ADP + phosphate + H(+).
P-type phospholipid transporter (EC 7.6.2.1)
P-type phospholipid transporter. EC 7.6.2.1.. ATP + H2O + phospholipidSide 1 = ADP + phosphate + phospholipidSide 2.
P-type Zn(2+) transporter (EC 7.2.2.12)
P-type Zn(2+) transporter. EC 7.2.2.12.. Zn(2+)(in) + ATP + H2O = Zn(2+)(out) + ADP + phosphate + H(+).
palatinase (EC 3.2.1.219)
palatinase. EC 3.2.1.219.. 6-O-alpha-D-glucopyranosyl-D-fructose + H2O = alpha-D-glucose +
palmitoyl-[glycerolipid] 3-(E)-desaturase (EC 1.14.19.43)
palmitoyl-[glycerolipid] 3-(E)-desaturase. EC 1.14.19.43.. a 1-acyl-2-hexadecanoyl-glycerolipid + 2 reduced [2Fe-2S]-[ferredoxin] +
palmitoyl-[glycerolipid] 7-desaturase (EC 1.14.19.42)
palmitoyl-[glycerolipid] 7-desaturase. EC 1.14.19.42.. a 1-acyl-2-hexadecanoyl-glycerolipid + 2 reduced [2Fe-2S]-[ferredoxin] +
palmitoyl-CoA 14-(E/Z)-desaturase (EC 1.14.19.32)
palmitoyl-CoA 14-(E/Z)-desaturase. EC 1.14.19.32.. (1) hexadecanoyl-CoA + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = (14E)-
palmitoyl-CoA hydrolase (EC 3.1.2.2)
palmitoyl-CoA hydrolase. EC 3.1.2.2.. hexadecanoyl-CoA + H2O = hexadecanoate + CoA + H(+).
palmitoyl-protein hydrolase (EC 3.1.2.22)
palmitoyl-protein hydrolase. EC 3.1.2.22.. S-hexadecanoyl-L-cysteinyl-[protein] + H2O = L-cysteinyl-[protein] +
pancreatic elastase (EC 3.4.21.36)
pancreatic elastase. EC 3.4.21.36.. Hydrolysis of proteins, including elastin. Preferential cleavage:
pancreatic elastase II (EC 3.4.21.71)
pancreatic elastase II. EC 3.4.21.71.. Preferential cleavage: Leu-|-Xaa, Met-|-Xaa and Phe-|-Xaa. Hydrolyzes
pancreatic endopeptidase E (EC 3.4.21.70)
pancreatic endopeptidase E. EC 3.4.21.70.. Preferential cleavage: Ala-|-Xaa. Does not hydrolyze elastin.
pancreatic ribonuclease (EC 4.6.1.18)
pancreatic ribonuclease. EC 4.6.1.18.. (1) an [RNA] containing cytidine + H2O = an [RNA]-3'-cytidine-