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.
shikimate kinase (EC 2.7.1.71)
shikimate kinase. EC 2.7.1.71.. shikimate + ATP = 3-phosphoshikimate + ADP + H(+).
shikimate O-hydroxycinnamoyltransferase (EC 2.3.1.133)
shikimate O-hydroxycinnamoyltransferase. EC 2.3.1.133.. shikimate + 4-coumaroyl-CoA = trans-4-coumaroylshikimate + CoA.
shionone synthase (EC 5.4.99.46)
shionone synthase. EC 5.4.99.46.. (S)-2,3-epoxysqualene = shionone.
short-chain 2-methylacyl-CoA dehydrogenase (EC 1.3.8.5)
short-chain 2-methylacyl-CoA dehydrogenase. EC 1.3.8.5.. 2-methylbutanoyl-CoA + oxidized [electron-transfer flavoprotein] + H(+) =
short-chain acyl-CoA dehydrogenase (EC 1.3.8.1)
short-chain acyl-CoA dehydrogenase. EC 1.3.8.1.. a short-chain 2,3-saturated fatty acyl-CoA + oxidized [electron-transfer
short-chain-enoyl-CoA hydratase (EC 4.2.1.150)
short-chain-enoyl-CoA hydratase. EC 4.2.1.150.. a short-chain (3S)-3-hydroxyacyl-CoA = a short-chain (2E)-enoyl-CoA +
sialate 8-O-methyltransferase (EC 2.1.1.402)
sialate 8-O-methyltransferase. EC 2.1.1.402.. N-acetylneuraminate + S-adenosyl-L-methionine = N-acetyl-8-
sialate O-acetylesterase (EC 3.1.1.53)
sialate O-acetylesterase. EC 3.1.1.53.. (1) N-acetyl-9-O-acetylneuraminate + H2O = N-acetylneuraminate + acetate
signal peptidase I (EC 3.4.21.89)
signal peptidase I. EC 3.4.21.89.. Cleavage of hydrophobic, N-terminal signal or leader sequences from
signal peptidase II (EC 3.4.23.36)
signal peptidase II. EC 3.4.23.36.. Release of signal peptides from bacterial membrane prolipoproteins.
signal-recognition-particle GTPase (EC 3.6.5.4)
signal-recognition-particle GTPase. EC 3.6.5.4.. GTP + H2O = GDP + phosphate + H(+).
sinapate 1-glucosyltransferase (EC 2.4.1.120)
sinapate 1-glucosyltransferase. EC 2.4.1.120.. (E)-sinapate + UDP-alpha-D-glucose = 1-O-(trans-sinapoyl)-beta-D-glucose
sinapine esterase (EC 3.1.1.49)
sinapine esterase. EC 3.1.1.49.. O-sinapoylcholine + H2O = (E)-sinapate + choline + H(+).
sinapoyl-beta-D-glucose:anthocyanin sinapoyltransferase (EC 2.3.1.n12)
sinapoyl-beta-D-glucose:anthocyanin sinapoyltransferase. EC 2.3.1.n12.. anthocyanin A8 + 1-O-(trans-sinapoyl)-beta-D-glucose = anthocyanin A11 +
sinapoylglucose--choline O-sinapoyltransferase (EC 2.3.1.91)
sinapoylglucose--choline O-sinapoyltransferase. EC 2.3.1.91.. 1-O-(trans-sinapoyl)-beta-D-glucose + choline = O-sinapoylcholine +
sinapoylglucose--malate O-sinapoyltransferase (EC 2.3.1.92)
sinapoylglucose--malate O-sinapoyltransferase. EC 2.3.1.92.. 1-O-(trans-sinapoyl)-beta-D-glucose + (S)-malate = sinapoyl (S)-malate +
sinapoylglucose--sinapoylglucose O-sinapoyltransferase (EC 2.3.1.103)
sinapoylglucose--sinapoylglucose O-sinapoyltransferase. EC 2.3.1.103.. 2 1-O-(trans-sinapoyl)-beta-D-glucose = 1,2-di-O-sinapoyl beta-D-glucose
single-stranded DNA cytosine deaminase (EC 3.5.4.38)
single-stranded DNA cytosine deaminase. EC 3.5.4.38.. a 2'-deoxycytidine in single-stranded DNA + H2O + H(+) =
siroheme decarboxylase (EC 4.1.1.111)
siroheme decarboxylase. EC 4.1.1.111.. siroheme + 2 H(+) = 12,18-didecarboxysiroheme + 2 CO2.
sirohydrochlorin cobaltochelatase (EC 4.99.1.3)
sirohydrochlorin cobaltochelatase. EC 4.99.1.3.. (1) Co-sirohydrochlorin + 2 H(+) = sirohydrochlorin + Co(2+).
sirohydrochlorin ferrochelatase (EC 4.99.1.4)
sirohydrochlorin ferrochelatase. EC 4.99.1.4.. siroheme + 2 H(+) = sirohydrochlorin + Fe(2+).
sirohydrochlorin nickelchelatase (EC 4.99.1.11)
sirohydrochlorin nickelchelatase. EC 4.99.1.11.. Ni-sirohydrochlorin + 2 H(+) = sirohydrochlorin + Ni(2+).
site-1 protease (EC 3.4.21.112)
site-1 protease. EC 3.4.21.112.. Processes precursors containing basic and hydrophobic/aliphatic residues
site-specific DNA-methyltransferase (adenine-specific) (EC 2.1.1.72)
site-specific DNA-methyltransferase (adenine-specific). EC 2.1.1.72.. a 2'-deoxyadenosine in DNA + S-adenosyl-L-methionine = an N(6)-methyl-
site-specific DNA-methyltransferase (cytosine-N(4)-specific) (EC 2.1.1.113)
site-specific DNA-methyltransferase (cytosine-N(4)-specific). EC 2.1.1.113.. a 2'-deoxycytidine in DNA + S-adenosyl-L-methionine = an N(4)-methyl-
small monomeric GTPase (EC 3.6.5.2)
small monomeric GTPase. EC 3.6.5.2.. GTP + H2O = GDP + phosphate + H(+).
small RNA 2'-O-methyltransferase (EC 2.1.1.386)
small RNA 2'-O-methyltransferase. EC 2.1.1.386.. small RNA 3'-end nucleotide + S-adenosyl-L-methionine = small RNA 3'-end
sn-1 acyl-lipid omega-3 desaturase (ferredoxin) (EC 1.14.19.36)
sn-1 acyl-lipid omega-3 desaturase (ferredoxin). EC 1.14.19.36.. (1) a 1-[(6Z,9Z,12Z)-octadectrienoyl]-2-acyl-glycerolipid + 2 reduced
sn-1 linoleoyl-lipid 6-desaturase (EC 1.14.19.46)
sn-1 linoleoyl-lipid 6-desaturase. EC 1.14.19.46.. a 1-[(9Z,12Z)-octadecdienoyl]-2-acyl-glycerolipid + 2 reduced [2Fe-2S]-
sn-1 oleoyl-lipid 12-desaturase (EC 1.14.19.45)
sn-1 oleoyl-lipid 12-desaturase. EC 1.14.19.45.. a 1-[(9Z)-octadecenoyl]-2-acyl-glycerolipid + 2 reduced [2Fe-2S]-
sn-1 stearoyl-lipid 9-desaturase (EC 1.14.19.28)
sn-1 stearoyl-lipid 9-desaturase. EC 1.14.19.28.. a 1-octadecanoyl 2-acyl-glycerolipid + 2 reduced [2Fe-2S]-[ferredoxin] +
sn-1-specific diacylglycerol lipase (EC 3.1.1.116)
sn-1-specific diacylglycerol lipase. EC 3.1.1.116.. a 1,2-diacyl-sn-glycerol + H2O = a 2-acylglycerol + a fatty acid + H(+).
sn-2 acyl-lipid omega-3 desaturase (ferredoxin) (EC 1.14.19.35)
sn-2 acyl-lipid omega-3 desaturase (ferredoxin). EC 1.14.19.35.. (1) a (7Z,10Z)-hexadecadienoyl-containing glycerolipid + 2 reduced [2Fe-
sn-2 palmitoyl-lipid 9-desaturase (EC 1.14.19.27)
sn-2 palmitoyl-lipid 9-desaturase. EC 1.14.19.27.. a 1-acyl-2-hexadecanoyl-glycerolipid + 2 reduced [2Fe-2S]-[ferredoxin] +
sn-glycerol-1-phosphate dehydrogenase (EC 1.1.1.261)
sn-glycerol-1-phosphate dehydrogenase. EC 1.1.1.261.. (1) sn-glycerol 1-phosphate + NAD(+) = dihydroxyacetone phosphate + NADH
sn-glycerol-3-phosphate 1-galactosyltransferase (EC 2.4.1.96)
sn-glycerol-3-phosphate 1-galactosyltransferase. EC 2.4.1.96.. sn-glycerol 3-phosphate + UDP-alpha-D-galactose = 1-O-alpha-D-galactosyl-
sn-glycerol-3-phosphate 2-alpha-galactosyltransferase (EC 2.4.1.137)
sn-glycerol-3-phosphate 2-alpha-galactosyltransferase. EC 2.4.1.137.. sn-glycerol 3-phosphate + UDP-alpha-D-galactose = 2-(alpha-D-galactosyl)-
snake venom factor V activator (EC 3.4.21.95)
snake venom factor V activator. EC 3.4.21.95.. Fully activates human clotting factor V by a single cleavage at the 1545-
snapalysin (EC 3.4.24.77)
snapalysin. EC 3.4.24.77.. Hydrolyzes proteins with a preference for Tyr or Phe in the P1' position.
sodorifen synthase (EC 4.2.3.205)
sodorifen synthase. EC 4.2.3.205.. pre-sodorifen diphosphate = sodorifen + diphosphate.
solabiose phosphorylase (EC 2.4.1.389)
solabiose phosphorylase. EC 2.4.1.389.. solabiose + phosphate = D-galactose + alpha-D-glucose 1-phosphate.
soluble epoxide hydrolase (EC 3.3.2.10)
soluble epoxide hydrolase. EC 3.3.2.10.. an epoxide + H2O = an ethanediol.
soluble quinoprotein glucose dehydrogenase (EC 1.1.99.35)
soluble quinoprotein glucose dehydrogenase. EC 1.1.99.35.. D-glucose + A = D-glucono-1,5-lactone + AH2.
somaliensene A synthase (EC 4.2.3.216)
somaliensene A synthase. EC 4.2.3.216.. (2E,6E,10E,14E)-geranylfarnesyl diphosphate = somaliensene A +
somaliensene B synthase (EC 4.2.3.217)
somaliensene B synthase. EC 4.2.3.217.. (2E,6E,10E,14E)-geranylfarnesyl diphosphate = (-)-somaliensene B +
sorbitol-6-phosphatase (EC 3.1.3.50)
sorbitol-6-phosphatase. EC 3.1.3.50.. D-sorbitol 6-phosphate + H2O = D-sorbitol + phosphate.
sorbitol-6-phosphate 2-dehydrogenase (EC 1.1.1.140)
sorbitol-6-phosphate 2-dehydrogenase. EC 1.1.1.140.. D-sorbitol 6-phosphate + NAD(+) = beta-D-fructose 6-phosphate + NADH +
sorbose 5-dehydrogenase (NADP(+)) (EC 1.1.1.123)
sorbose 5-dehydrogenase (NADP(+)). EC 1.1.1.123.. keto-L-sorbose + NADP(+) = 5-dehydro-D-fructose + NADPH + H(+).
sorbose dehydrogenase (EC 1.1.99.12)
sorbose dehydrogenase. EC 1.1.99.12.. keto-L-sorbose + A = 5-dehydro-D-fructose + AH2.
sorbose reductase (EC 1.1.1.289)
sorbose reductase. EC 1.1.1.289.. D-sorbitol + NADP(+) = keto-L-sorbose + NADPH + H(+).
sordaricin 6-deoxyaltrosyltransferase (EC 2.4.1.353)
sordaricin 6-deoxyaltrosyltransferase. EC 2.4.1.353.. sordaricin + GDP-6-deoxy-alpha-D-altrose = 4'-O-demethylsordarin + GDP +
sortase A (EC 3.4.22.70)
sortase A. EC 3.4.22.70.. The enzyme catalyzes a cell wall sorting reaction in which a surface
sortase B (EC 3.4.22.71)
sortase B. EC 3.4.22.71.. The enzyme catalyzes a cell wall sorting reaction in which a surface
soyasapogenol B glucuronide galactosyltransferase (EC 2.4.1.272)
soyasapogenol B glucuronide galactosyltransferase. EC 2.4.1.272.. soyasapogenol B 3-O-beta-D-glucuronate + UDP-alpha-D-galactose =
soyasapogenol glucuronosyltransferase (EC 2.4.1.262)
soyasapogenol glucuronosyltransferase. EC 2.4.1.262.. soyasapogenol B + UDP-alpha-D-glucuronate = soyasapogenol B 3-O-beta-D-
soyasaponin III rhamnosyltransferase (EC 2.4.1.273)
soyasaponin III rhamnosyltransferase. EC 2.4.1.273.. soyasaponin III + UDP-beta-L-rhamnose = soyasaponin I + UDP + H(+).
spectinabilin polyketide synthase system (EC 2.3.1.290)
spectinabilin polyketide synthase system. EC 2.3.1.290.. 4-nitrobenzoyl-CoA + 6 (S)-methylmalonyl-CoA + malonyl-CoA + 6 NADPH +
spermidine dehydrogenase (EC 1.5.99.6)
spermidine dehydrogenase. EC 1.5.99.6.. spermidine + A + H2O = 4-aminobutanal + propane-1,3-diamine + AH2.
spermidine dicoumaroyl transferase (EC 2.3.1.249)
spermidine dicoumaroyl transferase. EC 2.3.1.249.. 2 (E)-4-coumaroyl-CoA + spermidine = N(1),N(8)-bis(coumaroyl)-spermidine
spermidine disinapoyl transferase (EC 2.3.1.248)
spermidine disinapoyl transferase. EC 2.3.1.248.. 2 (E)-sinapoyl-CoA + spermidine = N(1),N(8)-bis[(E)-sinapoyl]-spermidine