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.
sucrose:sucrose fructosyltransferase (EC 2.4.1.99)
sucrose:sucrose fructosyltransferase. EC 2.4.1.99.. 2 sucrose = 1(F)-beta-D-fructosylsucrose + D-glucose.
sugar-phosphatase (EC 3.1.3.23)
sugar-phosphatase. EC 3.1.3.23.. sugar phosphate + H2O = sugar + phosphate.
sugar-terminal-phosphatase (EC 3.1.3.58)
sugar-terminal-phosphatase. EC 3.1.3.58.. D-glucose 6-phosphate + H2O = D-glucose + phosphate.
sugiol synthase (EC 1.14.14.65)
sugiol synthase. EC 1.14.14.65.. ferruginol + 2 reduced [NADPH--hemoprotein reductase] + 2 O2 = sugiol +
sulcatone reductase (EC 1.1.1.260)
sulcatone reductase. EC 1.1.1.260.. sulcatol + NAD(+) = sulcatone + NADH + H(+).
sulfate adenylyltransferase (ADP) (EC 2.7.7.5)
sulfate adenylyltransferase (ADP). EC 2.7.7.5.. sulfate + ADP + H(+) = adenosine 5'-phosphosulfate + phosphate.
sulfate adenylyltransferase (EC 2.7.7.4)
sulfate adenylyltransferase. EC 2.7.7.4.. sulfate + ATP + H(+) = adenosine 5'-phosphosulfate + diphosphate.
sulfhydrogenase (EC 1.12.98.4)
sulfhydrogenase. EC 1.12.98.4.. n sulfur + H2 = (n-1) sulfur + hydrogen sulfide + H(+).
sulfide dehydrogenase (EC 1.8.1.19)
sulfide dehydrogenase. EC 1.8.1.19.. n sulfur + hydrogen sulfide + NADP(+) = (n+1) sulfur + NADPH.
sulfide-cytochrome-c reductase (flavocytochrome c) (EC 1.8.2.3)
sulfide-cytochrome-c reductase (flavocytochrome c). EC 1.8.2.3.. hydrogen sulfide + 2 Fe(III)-[cytochrome c] = sulfur + 2 Fe(II)-
sulfide-dependent adenosine diphosphate thiazole synthase (EC 2.4.2.59)
sulfide-dependent adenosine diphosphate thiazole synthase. EC 2.4.2.59.. hydrogen sulfide + glycine + NAD(+) = ADP-5-ethyl-4-methylthiazole-2-
sulfinoalanine decarboxylase (EC 4.1.1.29)
sulfinoalanine decarboxylase. EC 4.1.1.29.. 3-sulfino-L-alanine + H(+) = hypotaurine + CO2.
sulfiredoxin (EC 1.8.98.2)
sulfiredoxin. EC 1.8.98.2.. S-hydroxy-S-oxy-L-cysteinyl-[peroxiredoxin] + [protein]-dithiol + ATP =
sulfite dehydrogenase (cytochrome) (EC 1.8.2.1)
sulfite dehydrogenase (cytochrome). EC 1.8.2.1.. 2 Fe(III)-[cytochrome c] + sulfite + H2O = 2 Fe(II)-[cytochrome c] +
sulfite dehydrogenase (quinone) (EC 1.8.5.6)
sulfite dehydrogenase (quinone). EC 1.8.5.6.. a quinone + sulfite + H2O = a quinol + sulfate.
sulfite oxidase (EC 1.8.3.1)
sulfite oxidase. EC 1.8.3.1.. sulfite + O2 + H2O = sulfate + H2O2.
sulfite reductase (coenzyme F420) (EC 1.8.98.3)
sulfite reductase (coenzyme F420). EC 1.8.98.3.. 3 oxidized coenzyme F420-(gamma-L-Glu)(n) + hydrogen sulfide + 3 H2O +
sulfoacetaldehyde acetyltransferase (EC 2.3.3.15)
sulfoacetaldehyde acetyltransferase. EC 2.3.3.15.. acetyl phosphate + sulfite + H(+) = sulfoacetaldehyde + phosphate.
sulfoacetaldehyde dehydrogenase (acylating) (EC 1.2.1.81)
sulfoacetaldehyde dehydrogenase (acylating). EC 1.2.1.81.. sulfoacetaldehyde + NADP(+) + CoA = sulfoacetyl-CoA + NADPH + H(+).
sulfoacetaldehyde dehydrogenase (EC 1.2.1.73)
sulfoacetaldehyde dehydrogenase. EC 1.2.1.73.. sulfoacetaldehyde + NAD(+) + H2O = sulfoacetate + NADH + 2 H(+).
sulfoacetaldehyde reductase (NADH) (EC 1.1.1.433)
sulfoacetaldehyde reductase (NADH). EC 1.1.1.433.. 2-hydroxyethane-1-sulfonate + NAD(+) = sulfoacetaldehyde + NADH + H(+).
sulfoacetaldehyde reductase (NADPH) (EC 1.1.1.313)
sulfoacetaldehyde reductase (NADPH). EC 1.1.1.313.. 2-hydroxyethane-1-sulfonate + NADP(+) = sulfoacetaldehyde + NADPH + H(+).
sulfofructose kinase (EC 2.7.1.184)
sulfofructose kinase. EC 2.7.1.184.. 6-deoxy-6-sulfo-D-fructose + ATP = 6-deoxy-6-sulfo-D-fructose 1-phosphate
sulfofructosephosphate aldolase (EC 4.1.2.57)
sulfofructosephosphate aldolase. EC 4.1.2.57.. 6-deoxy-6-sulfo-D-fructose 1-phosphate = (2S)-3-sulfolactaldehyde +
sulfofucose 1-dehydrogenase (EC 1.1.1.444)
sulfofucose 1-dehydrogenase. EC 1.1.1.444.. 6-sulfo-D-fucose + NAD(+) = 6-deoxy-6-sulfo-D-galactono-1,5-lactone +
sulfolactaldehyde 3-reductase (EC 1.1.1.373)
sulfolactaldehyde 3-reductase. EC 1.1.1.373.. (2S)-3-sulfopropanediol + NAD(+) = (2S)-3-sulfolactaldehyde + NADH +
sulfopropanediol 3-dehydrogenase (EC 1.1.1.308)
sulfopropanediol 3-dehydrogenase. EC 1.1.1.308.. (2R)-3-sulfopropanediol + 2 NAD(+) + H2O = (2R)-3-sulfolactate + 2 NADH +
sulfopyruvate decarboxylase (EC 4.1.1.79)
sulfopyruvate decarboxylase. EC 4.1.1.79.. 3-sulfopyruvate + H(+) = sulfoacetaldehyde + CO2.
sulfoquinovose 1-dehydrogenase (EC 1.1.1.390)
sulfoquinovose 1-dehydrogenase. EC 1.1.1.390.. 6-sulfo-D-quinovose + NAD(+) = 6-deoxy-6-sulfo-D-glucono-1,5-lactone +
sulfoquinovose isomerase (EC 5.3.1.31)
sulfoquinovose isomerase. EC 5.3.1.31.. (1) 6-sulfo-beta-D-quinovose = 6-deoxy-6-sulfo-D-fructose.
sulfoquinovose monooxygenase (EC 1.14.14.181)
sulfoquinovose monooxygenase. EC 1.14.14.181.. 6-sulfo-D-quinovose + FMNH2 + O2 = 6-dehydro-D-glucose + FMN + sulfite +
sulfoquinovose mutarotase (EC 5.1.3.43)
sulfoquinovose mutarotase. EC 5.1.3.43.. 6-sulfo-alpha-D-quinovose = 6-sulfo-beta-D-quinovose.
sulfoquinovosidase (EC 3.2.1.199)
sulfoquinovosidase. EC 3.2.1.199.. a 6-sulfo-alpha-D-quinovosyldiacylglycerol + H2O = 6-sulfo-alpha-D-
sulfur carrier protein ThiS adenylyltransferase (EC 2.7.7.73)
sulfur carrier protein ThiS adenylyltransferase. EC 2.7.7.73.. [ThiS sulfur-carrier protein]-C-terminal Gly-Gly + ATP + H(+) = [ThiS
sulfur oxygenase/reductase (EC 1.13.11.55)
sulfur oxygenase/reductase. EC 1.13.11.55.. 4 sulfur + O2 + 4 H2O = 2 hydrogen sulfide + 2 sulfite + 6 H(+).
sulochrin oxidase [(-)-bisdechlorogeodin-forming] (EC 1.21.3.5)
sulochrin oxidase [(-)-bisdechlorogeodin-forming]. EC 1.21.3.5.. 2 sulochrin + O2 + 2 H(+) = 2 (2R)-bisdechlorogeodin + 2 H2O.
sulochrin oxidase [(+)-bisdechlorogeodin-forming] (EC 1.21.3.4)
sulochrin oxidase [(+)-bisdechlorogeodin-forming]. EC 1.21.3.4.. 2 sulochrin + O2 + 2 H(+) = 2 (2S)-bisdechlorogeodin + 2 H2O.
superoxide dismutase (EC 1.15.1.1)
superoxide dismutase. EC 1.15.1.1.. 2 superoxide + 2 H(+) = H2O2 + O2.
superoxide oxidase (EC 1.10.3.17)
superoxide oxidase. EC 1.10.3.17.. a ubiquinol + 2 O2 = 2 superoxide + a ubiquinone + 2 H(+).
superoxide reductase (EC 1.15.1.2)
superoxide reductase. EC 1.15.1.2.. reduced [rubredoxin] + superoxide + 2 H(+) = oxidized [rubredoxin] +
sym-norspermidine synthase (EC 2.5.1.23)
sym-norspermidine synthase. EC 2.5.1.23.. S-adenosyl 3-(methylsulfanyl)propylamine + propane-1,3-diamine =
syn-copalyl-diphosphate synthase (EC 5.5.1.14)
syn-copalyl-diphosphate synthase. EC 5.5.1.14.. (2E,6E,10E)-geranylgeranyl diphosphate = 9alpha-copalyl diphosphate.
syn-pimara-7,15-diene synthase (EC 4.2.3.35)
syn-pimara-7,15-diene synthase. EC 4.2.3.35.. 9alpha-copalyl diphosphate = 9beta-pimara-7,15-diene + diphosphate.
syn-pimaradiene 3-monooxygenase (EC 1.14.14.68)
syn-pimaradiene 3-monooxygenase. EC 1.14.14.68.. 9beta-pimara-7,15-diene + reduced [NADPH--hemoprotein reductase] + O2 =
synephrine dehydratase (EC 4.2.1.88)
synephrine dehydratase. EC 4.2.1.88.. (R)-synephrine = (4-hydroxyphenyl)acetaldehyde + methylamine.
t-plasminogen activator (EC 3.4.21.68)
t-plasminogen activator. EC 3.4.21.68.. Specific cleavage of Arg-|-Val bond in plasminogen to form plasmin.
T2-induced deoxynucleotide kinase (EC 2.7.4.12)
T2-induced deoxynucleotide kinase. EC 2.7.4.12.. (1) dGMP + ATP = dGDP + ADP.
T4 deoxyribonuclease II (EC 3.1.21.8)
T4 deoxyribonuclease II. EC 3.1.21.8.. Endonucleolytic nicking and cleavage of cytosine-containing double-
T4 deoxyribonuclease IV (EC 3.1.21.9)
T4 deoxyribonuclease IV. EC 3.1.21.9.. Endonucleolytic cleavage of the 5' phosphodiester bond of deoxycytidine
tabersonine 16-hydroxylase (EC 1.14.14.103)
tabersonine 16-hydroxylase. EC 1.14.14.103.. (-)-tabersonine + reduced [NADPH--hemoprotein reductase] + O2 =
tabersonine 16-O-methyltransferase (EC 2.1.1.94)
tabersonine 16-O-methyltransferase. EC 2.1.1.94.. 16-hydroxytabersonine + S-adenosyl-L-methionine = 16-methoxytabersonine +
tabersonine 3-oxygenase (EC 1.14.14.50)
tabersonine 3-oxygenase. EC 1.14.14.50.. (1) 16-methoxytabersonine + reduced [NADPH--hemoprotein reductase] + O2 =
tabersonine synthase (EC 5.5.1.38)
tabersonine synthase. EC 5.5.1.38.. dehydrosecodine = (-)-tabersonine.
tagatose kinase (EC 2.7.1.101)
tagatose kinase. EC 2.7.1.101.. keto-D-tagatose + ATP = keto-D-tagatose 6-phosphate + ADP + H(+).
tagatose-6-phosphate kinase (EC 2.7.1.144)
tagatose-6-phosphate kinase. EC 2.7.1.144.. D-tagatofuranose 6-phosphate + ATP = D-tagatofuranose 1,6-bisphosphate +
tagatose-bisphosphate aldolase (EC 4.1.2.40)
tagatose-bisphosphate aldolase. EC 4.1.2.40.. D-tagatofuranose 1,6-bisphosphate = D-glyceraldehyde 3-phosphate +
tagaturonate epimerase (EC 5.1.2.7)
tagaturonate epimerase. EC 5.1.2.7.. keto-D-tagaturonate = keto-D-fructuronate.
tagaturonate reductase (EC 1.1.1.58)
tagaturonate reductase. EC 1.1.1.58.. D-altronate + NAD(+) = keto-D-tagaturonate + NADH + H(+).
talaropentaene synthase (EC 4.2.3.220)
talaropentaene synthase. EC 4.2.3.220.. all-trans-hexaprenyl diphosphate = talaropentaene + diphosphate.
tannase (EC 3.1.1.20)
tannase. EC 3.1.1.20.. digallate + H2O = 2 3,4,5-trihydroxybenzoate + H(+).