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.
sarcosine dehydrogenase (EC 1.5.8.3)
sarcosine dehydrogenase. EC 1.5.8.3.. (6S)-5,6,7,8-tetrahydrofolyl-(gamma-L-Glu)(n) + sarcosine + oxidized
sarcosine oxidase (5,10-methylenetetrahydrofolate-forming) (EC 1.5.3.24)
sarcosine oxidase (5,10-methylenetetrahydrofolate-forming). EC 1.5.3.24.. sarcosine + (6S)-5,6,7,8-tetrahydrofolate + O2 = (6R)-5,10-methylene-
sarcosine oxidasee (formaldehyde-forming) (EC 1.5.3.1)
sarcosine oxidasee (formaldehyde-forming). EC 1.5.3.1.. sarcosine + O2 + H2O = formaldehyde + glycine + H2O2.
sarcosine reductase (EC 1.21.4.3)
sarcosine reductase. EC 1.21.4.3.. acetyl phosphate + methylamine + [thioredoxin]-disulfide + H2O =
sarcosine/dimethylglycine N-methyltransferase (EC 2.1.1.157)
sarcosine/dimethylglycine N-methyltransferase. EC 2.1.1.157.. sarcosine + 2 S-adenosyl-L-methionine = glycine betaine + 2 S-adenosyl-L-
SARS coronavirus main proteinase (EC 3.4.22.69)
SARS coronavirus main proteinase. EC 3.4.22.69.. TSAVLQ-|-SGFRK-NH2 and SGVTFQ-|-GKFKK the two peptides corresponding to
sarsapogenin 3beta-glucosyltransferase (EC 2.4.1.193)
sarsapogenin 3beta-glucosyltransferase. EC 2.4.1.193.. (25S)-5beta-spirostan-3beta-ol + UDP-alpha-D-glucose = (25S)-5beta-
sclareol synthase (EC 4.2.3.141)
sclareol synthase. EC 4.2.3.141.. 8-hydroxycopalyl diphosphate + H2O = sclareol + diphosphate.
scopoletin 8-hydroxylase (EC 1.14.11.60)
scopoletin 8-hydroxylase. EC 1.14.11.60.. scopoletin + 2-oxoglutarate + O2 = fraxetin + succinate + CO2.
scopoletin glucosyltransferase (EC 2.4.1.128)
scopoletin glucosyltransferase. EC 2.4.1.128.. scopoletin + UDP-alpha-D-glucose = scopolin + UDP + H(+).
scutelarin (EC 3.4.21.60)
scutelarin. EC 3.4.21.60.. Selective cleavage of Arg-|-Thr and Arg-|-Ile in prothrombin to form
scyllo-inosamine 4-kinase (EC 2.7.1.65)
scyllo-inosamine 4-kinase. EC 2.7.1.65.. 1-amino-1-deoxy-scyllo-inositol + ATP = 1-amino-1-deoxy-scyllo-inositol
scyllo-inosamine-4-phosphate amidinotransferase (EC 2.1.4.2)
scyllo-inosamine-4-phosphate amidinotransferase. EC 2.1.4.2.. 1-amino-1-deoxy-scyllo-inositol 4-phosphate + L-arginine = 1-guanidino-1-
scyllo-inositol 2-dehydrogenase (NAD(+)) (EC 1.1.1.370)
scyllo-inositol 2-dehydrogenase (NAD(+)). EC 1.1.1.370.. scyllo-inositol + NAD(+) = scyllo-inosose + NADH + H(+).
scyllo-inositol 2-dehydrogenase (NADP(+)) (EC 1.1.1.371)
scyllo-inositol 2-dehydrogenase (NADP(+)). EC 1.1.1.371.. scyllo-inositol + NADP(+) = scyllo-inosose + NADPH + H(+).
scymnol sulfotransferase (EC 2.8.2.32)
scymnol sulfotransferase. EC 2.8.2.32.. 5beta-scymnol + 3'-phosphoadenylyl sulfate = 5beta-scymnol sulfate +
scytalidoglutamic peptidase (EC 3.4.26.2)
scytalidoglutamic peptidase. EC 3.4.26.2.. Hydrolysis of proteins, with a strong preference for Phe or Tyr at
scytalidopepsin A (EC 3.4.23.31)
scytalidopepsin A. EC 3.4.23.31.. Hydrolysis of proteins with specificity similar to that of pepsin A,
scytalidopepsin B (EC 3.4.23.32)
scytalidopepsin B. EC 3.4.23.32.. Hydrolysis of proteins with broad specificity, cleaving 24-Phe-|-Phe-25,
scytalone dehydratase (EC 4.2.1.94)
scytalone dehydratase. EC 4.2.1.94.. scytalone = 1,3,8-trihydroxynaphthalene + H2O.
secoisolariciresinol dehydrogenase (EC 1.1.1.331)
secoisolariciresinol dehydrogenase. EC 1.1.1.331.. (-)-secoisolariciresinol + 2 NAD(+) = (-)-matairesinol + 2 NADH + 2 H(+).
secologanin synthase (EC 1.14.19.62)
secologanin synthase. EC 1.14.19.62.. loganin + reduced [NADPH--hemoprotein reductase] + O2 = secologanin +
secondary-alcohol dehydrogenase (coenzyme-F420) (EC 1.1.98.5)
secondary-alcohol dehydrogenase (coenzyme-F420). EC 1.1.98.5.. a secondary alcohol + oxidized coenzyme F420-(gamma-L-Glu)(n) + H(+) =
secondary-alcohol oxidase (EC 1.1.3.18)
secondary-alcohol oxidase. EC 1.1.3.18.. a secondary alcohol + O2 = a ketone + H2O2.
secondary-alkyl amine dehydrogenase [NAD(P)(+)] (EC 1.4.1.28)
secondary-alkyl amine dehydrogenase [NAD(P)(+)]. EC 1.4.1.28.. (1) a secondary alkyl amine + NAD(+) + H2O = a ketone + NH4(+) + NADH +
sedoheptulokinase (EC 2.7.1.14)
sedoheptulokinase. EC 2.7.1.14.. sedoheptulose + ATP = D-sedoheptulose 7-phosphate + ADP + H(+).
sedoheptulose-bisphosphatase (EC 3.1.3.37)
sedoheptulose-bisphosphatase. EC 3.1.3.37.. D-sedoheptulose 1,7-bisphosphate + H2O = D-sedoheptulose 7-phosphate +
sedolisin (EC 3.4.21.100)
sedolisin. EC 3.4.21.100.. Hydrolysis of the B chain of insulin at 13-Glu-|-Ala-14, 15-Leu-|-Tyr-16
selenate reductase (cytochrome c) (EC 1.97.1.9)
selenate reductase (cytochrome c). EC 1.97.1.9.. (1) selenite + A + H2O = selenate + AH2.
selenate reductase (quinol) (EC 1.97.1.14)
selenate reductase (quinol). EC 1.97.1.14.. selenite + a quinone + H2O = selenate + a quinol.
selenide, water dikinase (EC 2.7.9.3)
selenide, water dikinase. EC 2.7.9.3.. hydrogenselenide + ATP + H2O = selenophosphate + AMP + phosphate +
selenocysteine lyase (EC 4.4.1.16)
selenocysteine lyase. EC 4.4.1.16.. L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+).
selenocysteine Se-methyltransferase (EC 2.1.1.280)
selenocysteine Se-methyltransferase. EC 2.1.1.280.. S-methyl-L-methionine + L-selenocysteine = Se-methyl-L-selenocysteine +
selina-4(15),7(11)-diene synthase (EC 4.2.3.181)
selina-4(15),7(11)-diene synthase. EC 4.2.3.181.. (2E,6E)-farnesyl diphosphate = selina-4(15),7(11)-diene + diphosphate.
semenogelase (EC 3.4.21.77)
semenogelase. EC 3.4.21.77.. Preferential cleavage: -Tyr-|-Xaa-.
senecionine N-oxygenase (EC 1.14.13.101)
senecionine N-oxygenase. EC 1.14.13.101.. senecionine + NADPH + O2 = senecionine N-oxide + NADP(+) + H2O.
separase (EC 3.4.22.49)
separase. EC 3.4.22.49.. All bonds known to be hydrolyzed by this endopeptidase have arginine in
sepiapterin deaminase (EC 3.5.4.24)
sepiapterin deaminase. EC 3.5.4.24.. L-sepiapterin + H2O + H(+) = (S)-xanthopterin-B2 + NH4(+).
sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming) (EC 1.1.1.153)
sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming). EC 1.1.1.153.. (1) L-erythro-7,8-dihydrobiopterin + NADP(+) = L-sepiapterin + NADPH +
sepiapterin reductase (L-threo-7,8-dihydrobiopterin forming) (EC 1.1.1.325)
sepiapterin reductase (L-threo-7,8-dihydrobiopterin forming). EC 1.1.1.325.. (1) L-threo-7,8-dihydrobiopterin + NADP(+) = L-sepiapterin + NADPH +
sequoyitol dehydrogenase (EC 1.1.1.143)
sequoyitol dehydrogenase. EC 1.1.1.143.. 1D-5-O-methyl-myo-inositol + NAD(+) = 2D-5-O-methyl-2,3,5/4,6-
serine 2-dehydrogenase (EC 1.4.1.7)
serine 2-dehydrogenase. EC 1.4.1.7.. L-serine + NAD(+) + H2O = 3-hydroxypyruvate + NH4(+) + NADH + H(+).
serine 3-dehydrogenase (NADP(+)) (EC 1.1.1.276)
serine 3-dehydrogenase (NADP(+)). EC 1.1.1.276.. L-serine + NADP(+) = aminoacetaldehyde + CO2 + NADPH.
serine C-palmitoyltransferase (EC 2.3.1.50)
serine C-palmitoyltransferase. EC 2.3.1.50.. L-serine + hexadecanoyl-CoA + H(+) = 3-oxosphinganine + CO2 + CoA.
serine O-acetyltransferase (EC 2.3.1.30)
serine O-acetyltransferase. EC 2.3.1.30.. L-serine + acetyl-CoA = O-acetyl-L-serine + CoA.
serine racemase (EC 5.1.1.18)
serine racemase. EC 5.1.1.18.. L-serine = D-serine.
serine--glyoxylate transaminase (EC 2.6.1.45)
serine--glyoxylate transaminase. EC 2.6.1.45.. glyoxylate + L-serine = 3-hydroxypyruvate + glycine.
serine--pyruvate transaminase (EC 2.6.1.51)
serine--pyruvate transaminase. EC 2.6.1.51.. L-serine + pyruvate = 3-hydroxypyruvate + L-alanine.
serine--tRNA ligase (EC 6.1.1.11)
serine--tRNA ligase. EC 6.1.1.11.. (1) tRNA(Ser) + L-serine + ATP = L-seryl-tRNA(Ser) + AMP + diphosphate +
serine-ethanolaminephosphate phosphodiesterase (EC 3.1.4.13)
serine-ethanolaminephosphate phosphodiesterase. EC 3.1.4.13.. L-serine-phosphoethanolamine + H2O = phosphoethanolamine + L-serine +
serine-phosphoethanolamine synthase (EC 2.7.8.4)
serine-phosphoethanolamine synthase. EC 2.7.8.4.. CDP-ethanolamine + L-serine = L-serine-phosphoethanolamine + CMP + H(+).
serine-sulfate ammonia-lyase (EC 4.3.1.10)
serine-sulfate ammonia-lyase. EC 4.3.1.10.. L-serine O-sulfate + H2O = sulfate + pyruvate + NH4(+) + H(+).
serine-type anaerobic sulfatase-maturating enzyme (EC 1.1.98.7)
serine-type anaerobic sulfatase-maturating enzyme. EC 1.1.98.7.. L-seryl-[sulfatase] + S-adenosyl-L-methionine = 3-oxo-L-alanyl-
serine-type D-Ala-D-Ala carboxypeptidase (EC 3.4.16.4)
serine-type D-Ala-D-Ala carboxypeptidase. EC 3.4.16.4.. Preferential cleavage: (Ac)2-L-Lys-D-Ala-|-D-Ala. Also transpeptidation
serralysin (EC 3.4.24.40)
serralysin. EC 3.4.24.40.. Preferential cleavage of bonds with hydrophobic residues in P1'.
Serratia marcescens nuclease (EC 3.1.30.2)
Serratia marcescens nuclease. EC 3.1.30.2.. Endonucleolytic cleavage to 5'-phosphomononucleotide and
sesamin methylene transferase (EC 2.1.5.1)
sesamin methylene transferase. EC 2.1.5.1.. (1) (+)-sesamin + (6S)-5,6,7,8-tetrahydrofolyl-(gamma-L-Glu)(n) = (+)-
sesquithujene synthase (EC 4.2.3.102)
sesquithujene synthase. EC 4.2.3.102.. (2E,6E)-farnesyl diphosphate = sesquithujene + diphosphate.
sesterfisherol synthase (EC 4.2.3.176)
sesterfisherol synthase. EC 4.2.3.176.. (2E,6E,10E,14E)-geranylfarnesyl diphosphate + H2O = sesterfisherol +
shikimate dehydrogenase (NADP(+)) (EC 1.1.1.25)
shikimate dehydrogenase (NADP(+)). EC 1.1.1.25.. shikimate + NADP(+) = 3-dehydroshikimate + NADPH + H(+).