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.
sterol 14alpha-demethylase (EC 1.14.14.154)
sterol 14alpha-demethylase. EC 1.14.14.154.. a 14alpha-methyl steroid + 3 reduced [NADPH--hemoprotein reductase] +
sterol 14alpha-demethylase (ferredoxin) (EC 1.14.15.36)
sterol 14alpha-demethylase (ferredoxin). EC 1.14.15.36.. a 14alpha-methyl steroid + 6 reduced [2Fe-2S]-[ferredoxin] + 3 O2 +
sterol 22-desaturase (EC 1.14.19.41)
sterol 22-desaturase. EC 1.14.19.41.. 5-dehydroepisterol + NADPH + O2 + H(+) = ergosta-5,7,22,24(28)-tetraen-
sterol 24-C-methyltransferase (EC 2.1.1.41)
sterol 24-C-methyltransferase. EC 2.1.1.41.. zymosterol + S-adenosyl-L-methionine = fecosterol + S-adenosyl-L-
sterol 27-beta-glucosyltransferase (EC 2.4.1.385)
sterol 27-beta-glucosyltransferase. EC 2.4.1.385.. a 27-hydroxysterol + UDP-alpha-D-glucose = a sterol 27-beta-D-glucoside +
sterol 3beta-glucosyltransferase (EC 2.4.1.173)
sterol 3beta-glucosyltransferase. EC 2.4.1.173.. a sterol + UDP-alpha-D-glucose = a sterol 3-beta-D-glucoside + UDP +
sterol esterase (EC 3.1.1.13)
sterol esterase. EC 3.1.1.13.. a sterol ester + H2O = a sterol + a fatty acid + H(+).
sterol O-acyltransferase (EC 2.3.1.26)
sterol O-acyltransferase. EC 2.3.1.26.. a sterol + a long-chain fatty acyl-CoA = a long-chain 3-hydroxysterol
steryl-beta-glucosidase (EC 3.2.1.104)
steryl-beta-glucosidase. EC 3.2.1.104.. cholesteryl 3-beta-D-glucoside + H2O = cholesterol + D-glucose.
steryl-sulfatase (EC 3.1.6.2)
steryl-sulfatase. EC 3.1.6.2.. dehydroepiandrosterone 3-sulfate + H2O = 3beta-hydroxyandrost-5-en-17-one
stipitatonate decarboxylase (EC 4.1.1.60)
stipitatonate decarboxylase. EC 4.1.1.60.. stipitatonate + H2O = stipitatate + CO2.
stizolobate synthase (EC 1.13.11.29)
stizolobate synthase. EC 1.13.11.29.. L-dopa + O2 = 4-(L-alanin-3-yl)-2-hydroxy-cis,cis-muconate 6-semialdehyde
stizolobinate synthase (EC 1.13.11.30)
stizolobinate synthase. EC 1.13.11.30.. L-dopa + O2 = 5-(L-alanin-3-yl)-2-hydroxy-cis,cis-muconate 6-semialdehyde
stratum corneum chymotryptic enzyme (EC 3.4.21.117)
stratum corneum chymotryptic enzyme. EC 3.4.21.117.. Cleavage of proteins with aromatic side chains in the P1 position.
streptogrisin A (EC 3.4.21.80)
streptogrisin A. EC 3.4.21.80.. Hydrolysis of proteins with specificity similar to chymotrypsin.
streptogrisin B (EC 3.4.21.81)
streptogrisin B. EC 3.4.21.81.. Hydrolysis of proteins with trypsin-like specificity.
streptomycin 3''-adenylyltransferase (EC 2.7.7.47)
streptomycin 3''-adenylyltransferase. EC 2.7.7.47.. streptomycin + ATP = 3''-O-adenylylstreptomycin + diphosphate.
streptomycin 3''-kinase (EC 2.7.1.87)
streptomycin 3''-kinase. EC 2.7.1.87.. streptomycin + ATP = streptomycin 3''-phosphate + ADP + H(+).
streptomycin 6-kinase (EC 2.7.1.72)
streptomycin 6-kinase. EC 2.7.1.72.. streptomycin + ATP = streptomycin 6-phosphate + ADP + H(+).
streptomycin-6-phosphatase (EC 3.1.3.39)
streptomycin-6-phosphatase. EC 3.1.3.39.. streptomycin 6-phosphate + H2O = streptomycin + phosphate.
streptopain (EC 3.4.22.10)
streptopain. EC 3.4.22.10.. Preferential cleavage with hydrophobic residues at P2, P1 and P1'.
streptothricin hydrolase (EC 3.5.2.19)
streptothricin hydrolase. EC 3.5.2.19.. streptothricin F + H2O = streptothricin F acid.
strictosidine synthase (EC 3.5.99.13)
strictosidine synthase. EC 3.5.99.13.. 3alpha(S)-strictosidine + H2O = secologanin + tryptamine.
strombine dehydrogenase (EC 1.5.1.22)
strombine dehydrogenase. EC 1.5.1.22.. N-(carboxymethyl)-D-alanine + NAD(+) + H2O = glycine + pyruvate + NADH +
stromelysin 1 (EC 3.4.24.17)
stromelysin 1. EC 3.4.24.17.. Preferential cleavage where P1', P2' and P3' are hydrophobic residues.
stromelysin 2 (EC 3.4.24.22)
stromelysin 2. EC 3.4.24.22.. Similar to stromelysin 1, but action on collagen types III, IV and V is
strychnine 10-hydroxylase (EC 1.14.14.189)
strychnine 10-hydroxylase. EC 1.14.14.189.. strychnine + reduced [NADPH--hemoprotein reductase] + O2 =
styrene monooxygenase (EC 1.14.14.11)
styrene monooxygenase. EC 1.14.14.11.. styrene + FADH2 + O2 = (S)-styrene oxide + FAD + H2O + H(+).
styrene-oxide isomerase (EC 5.3.99.7)
styrene-oxide isomerase. EC 5.3.99.7.. styrene oxide = 2-phenylacetaldehyde.
subtilisin (EC 3.4.21.62)
subtilisin. EC 3.4.21.62.. Hydrolysis of proteins with broad specificity for peptide bonds, and a
succinate dehydrogenase (EC 1.3.5.1)
succinate dehydrogenase. EC 1.3.5.1.. a quinone + succinate = fumarate + a quinol.
succinate dehydrogenase (electrogenic, proton-motive force generating) (EC 7.1.1.12)
succinate dehydrogenase (electrogenic, proton-motive force generating). EC 7.1.1.12.. a menaquinone + succinate + 2 H(+)(out) = a menaquinol + fumarate +
succinate--CoA ligase (ADP-forming) (EC 6.2.1.5)
succinate--CoA ligase (ADP-forming). EC 6.2.1.5.. succinate + ATP + CoA = succinyl-CoA + ADP + phosphate.
succinate--CoA ligase (GDP-forming) (EC 6.2.1.4)
succinate--CoA ligase (GDP-forming). EC 6.2.1.4.. GTP + succinate + CoA = succinyl-CoA + GDP + phosphate.
succinate--hydroxymethylglutarate CoA-transferase (EC 2.8.3.13)
succinate--hydroxymethylglutarate CoA-transferase. EC 2.8.3.13.. 3-hydroxy-3-methylglutarate + succinyl-CoA = (3S)-3-hydroxy-3-
succinate-semialdehyde dehydrogenase (acetylating) (EC 1.2.1.76)
succinate-semialdehyde dehydrogenase (acetylating). EC 1.2.1.76.. succinate semialdehyde + NADP(+) + CoA = succinyl-CoA + NADPH + H(+).
succinate-semialdehyde dehydrogenase (NAD(+)) (EC 1.2.1.24)
succinate-semialdehyde dehydrogenase (NAD(+)). EC 1.2.1.24.. succinate semialdehyde + NAD(+) + H2O = succinate + NADH + 2 H(+).
succinate-semialdehyde dehydrogenase (NADP(+)) (EC 1.2.1.79)
succinate-semialdehyde dehydrogenase (NADP(+)). EC 1.2.1.79.. succinate semialdehyde + NADP(+) + H2O = succinate + NADPH + 2 H(+).
succinate-semialdehyde dehydrogenase [NAD(P)(+)] (EC 1.2.1.16)
succinate-semialdehyde dehydrogenase [NAD(P)(+)]. EC 1.2.1.16.. (1) succinate semialdehyde + NADP(+) + H2O = succinate + NADPH + 2 H(+).
succinic semialdehyde reductase (EC 1.1.1.n11)
succinic semialdehyde reductase. EC 1.1.1.n11.. 4-hydroxybutanoate + NADP(+) = succinate semialdehyde + NADPH + H(+).
succinyl-CoA hydrolase (EC 3.1.2.3)
succinyl-CoA hydrolase. EC 3.1.2.3.. succinyl-CoA + H2O = succinate + CoA + H(+).
succinyl-CoA--D-citramalate CoA-transferase (EC 2.8.3.20)
succinyl-CoA--D-citramalate CoA-transferase. EC 2.8.3.20.. (1) (3R)-citramalate + succinyl-CoA = (3R)-citramalyl-CoA + succinate.
succinyl-CoA--L-malate CoA-transferase (EC 2.8.3.22)
succinyl-CoA--L-malate CoA-transferase. EC 2.8.3.22.. (1) succinyl-CoA + (S)-malate = (S)-malyl-CoA + succinate.
succinyl-CoA:(R)-benzylsuccinate CoA-transferase (EC 2.8.3.15)
succinyl-CoA:(R)-benzylsuccinate CoA-transferase. EC 2.8.3.15.. (R)-2-benzylsuccinate + succinyl-CoA = (R)-2-benzylsuccinyl-CoA +
succinyl-CoA:acetate CoA-transferase (EC 2.8.3.18)
succinyl-CoA:acetate CoA-transferase. EC 2.8.3.18.. succinyl-CoA + acetate = succinate + acetyl-CoA.
succinyl-CoA:cyclohexane-1-carboxylate CoA transferase (EC 2.3.1.315)
succinyl-CoA:cyclohexane-1-carboxylate CoA transferase. EC 2.3.1.315.. cyclohexane-1-carboxylate + succinyl-CoA = cyclohexane-1-carbonyl-CoA +
succinyl-CoA:mesaconate CoA transferase (EC 2.8.3.26)
succinyl-CoA:mesaconate CoA transferase. EC 2.8.3.26.. mesaconate + succinyl-CoA = 2-methylfumaryl-CoA + succinate.
succinyl-diaminopimelate desuccinylase (EC 3.5.1.18)
succinyl-diaminopimelate desuccinylase. EC 3.5.1.18.. N-succinyl-(2S,6S)-2,6-diaminopimelate + H2O = (2S,6S)-2,6-
succinyldiaminopimelate transaminase (EC 2.6.1.17)
succinyldiaminopimelate transaminase. EC 2.6.1.17.. N-succinyl-(2S,6S)-2,6-diaminopimelate + 2-oxoglutarate = (S)-2-
succinylglutamate desuccinylase (EC 3.5.1.96)
succinylglutamate desuccinylase. EC 3.5.1.96.. N-succinyl-L-glutamate + H2O = L-glutamate + succinate.
succinylglutamate-semialdehyde dehydrogenase (EC 1.2.1.71)
succinylglutamate-semialdehyde dehydrogenase. EC 1.2.1.71.. N-succinyl-L-glutamate 5-semialdehyde + NAD(+) + H2O = N-succinyl-L-
succinylornithine transaminase (EC 2.6.1.81)
succinylornithine transaminase. EC 2.6.1.81.. N(2)-succinyl-L-ornithine + 2-oxoglutarate = N-succinyl-L-glutamate
sucrose 6(F)-alpha-galactosyltransferase (EC 2.4.1.167)
sucrose 6(F)-alpha-galactosyltransferase. EC 2.4.1.167.. sucrose + UDP-alpha-D-galactose = 6(F)-alpha-D-galactosylsucrose + UDP +
sucrose 6(F)-phosphate phosphorylase (EC 2.4.1.329)
sucrose 6(F)-phosphate phosphorylase. EC 2.4.1.329.. sucrose 6(F)-phosphate + phosphate = beta-D-fructose 6-phosphate + alpha-
sucrose alpha-glucosidase (EC 3.2.1.48)
sucrose alpha-glucosidase. EC 3.2.1.48.. (1) sucrose + H2O = beta-D-fructose + alpha-D-glucose.
sucrose phosphorylase (EC 2.4.1.7)
sucrose phosphorylase. EC 2.4.1.7.. sucrose + phosphate = D-fructose + alpha-D-glucose 1-phosphate.
sucrose synthase (EC 2.4.1.13)
sucrose synthase. EC 2.4.1.13.. an NDP-alpha-D-glucose + D-fructose = a ribonucleoside 5'-diphosphate +
sucrose--1,6-alpha-glucan 3(6)-alpha-glucosyltransferase (EC 2.4.1.125)
sucrose--1,6-alpha-glucan 3(6)-alpha-glucosyltransferase. EC 2.4.1.125.. (1) [(1->6)-alpha-D-glucosyl](n) + sucrose = [(1->6)-alpha-D-
sucrose-phosphate phosphatase (EC 3.1.3.24)
sucrose-phosphate phosphatase. EC 3.1.3.24.. sucrose 6(F)-phosphate + H2O = sucrose + phosphate.
sucrose-phosphate synthase (EC 2.4.1.14)
sucrose-phosphate synthase. EC 2.4.1.14.. beta-D-fructose 6-phosphate + UDP-alpha-D-glucose = sucrose 6(F)-