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.
kanosamine kinase (EC 2.7.1.179)
kanosamine kinase. EC 2.7.1.179.. kanosamine + ATP = D-kanosamine 6-phosphate + ADP + H(+).
kanosamine-6-phosphate phosphatase (EC 3.1.3.92)
kanosamine-6-phosphate phosphatase. EC 3.1.3.92.. D-kanosamine 6-phosphate + H2O = kanosamine + phosphate.
kappa-carrageenase (EC 3.2.1.83)
kappa-carrageenase. EC 3.2.1.83.. Endohydrolysis of (1->4)-beta-D-linkages between D-galactose 4-sulfate
Kdo2-lipid A phosphoethanolamine 7''-transferase (EC 2.7.8.42)
Kdo2-lipid A phosphoethanolamine 7''-transferase. EC 2.7.8.42.. (1) alpha-Kdo-(2->4)-alpha-Kdo-(2->6)-lipid A (E. coli) + a 1,2-diacyl-
Kdo2-lipid A phosphotransferase (EC 2.7.4.29)
Kdo2-lipid A phosphotransferase. EC 2.7.4.29.. di-trans,octa-cis-undecaprenyl diphosphate + alpha-Kdo-(2->4)-alpha-
Kdo2-lipid IVA acyltransferase (EC 2.3.1.241)
Kdo2-lipid IVA acyltransferase. EC 2.3.1.241.. an alpha-Kdo-(2->4)-alpha-Kdo-(2->6)-lipid IVA + a fatty acyl-[ACP] =
Kdo2-lipid IVA palmitoleoyltransferase (EC 2.3.1.242)
Kdo2-lipid IVA palmitoleoyltransferase. EC 2.3.1.242.. (9Z)-hexadecenoyl-[ACP] + alpha-Kdo-(2->4)-alpha-Kdo-(2->6)-lipid IVA (E.
keratan sulfotransferase (EC 2.8.2.21)
keratan sulfotransferase. EC 2.8.2.21.. 3'-phosphoadenylyl sulfate + keratan = adenosine 3',5'-bisphosphate +
keratan-sulfate endo-1,4-beta-galactosidase (EC 3.2.1.103)
keratan-sulfate endo-1,4-beta-galactosidase. EC 3.2.1.103.. Endohydrolysis of (1->4)-beta-D-galactosidic linkages in keratan sulfate.
ketohexokinase (EC 2.7.1.3)
ketohexokinase. EC 2.7.1.3.. beta-D-fructose + ATP = beta-D-fructose 1-phosphate + ADP + H(+).
ketol-acid reductoisomerase (NAD(+)) (EC 1.1.1.382)
ketol-acid reductoisomerase (NAD(+)). EC 1.1.1.382.. (2R)-2,3-dihydroxy-3-methylbutanoate + NAD(+) = (2S)-2-acetolactate +
ketol-acid reductoisomerase (NADP(+)) (EC 1.1.1.86)
ketol-acid reductoisomerase (NADP(+)). EC 1.1.1.86.. (1) (2R)-2,3-dihydroxy-3-methylbutanoate + NADP(+) = (2S)-2-acetolactate
ketol-acid reductoisomerase [NAD(P)(+)] (EC 1.1.1.383)
ketol-acid reductoisomerase [NAD(P)(+)]. EC 1.1.1.383.. (1) (2R)-2,3-dihydroxy-3-methylbutanoate + NAD(+) = (2S)-2-acetolactate +
ketosteroid monooxygenase (EC 1.14.13.54)
ketosteroid monooxygenase. EC 1.14.13.54.. (1) progesterone + NADPH + O2 + H(+) = testosterone acetate + NADP(+) +
ketotetrose-phosphate aldolase (EC 4.1.2.2)
ketotetrose-phosphate aldolase. EC 4.1.2.2.. L-erythrulose 1-phosphate = dihydroxyacetone phosphate + formaldehyde.
kexin (EC 3.4.21.61)
kexin. EC 3.4.21.61.. Cleavage of -Lys-Arg-|-Xaa- and -Arg-Arg-|-Xaa- bonds to process yeast
kievitone hydratase (EC 4.2.1.95)
kievitone hydratase. EC 4.2.1.95.. kievitone hydrate = kievitone + H2O.
kojibiose hydrolase (EC 3.2.1.216)
kojibiose hydrolase. EC 3.2.1.216.. kojibiose + H2O = beta-D-glucose + D-glucose.
kojibiose phosphorylase (EC 2.4.1.230)
kojibiose phosphorylase. EC 2.4.1.230.. kojibiose + phosphate = beta-D-glucose 1-phosphate + D-glucose.
kumamolysin (EC 3.4.21.123)
kumamolysin. EC 3.4.21.123.. The enzyme preferentially hydrolyzes peptides having an Ala or Pro
kunzeaol synthase (EC 4.2.3.143)
kunzeaol synthase. EC 4.2.3.143.. (2E,6E)-farnesyl diphosphate + H2O = kunzeaol + diphosphate.
kynurenate-7,8-dihydrodiol dehydrogenase (EC 1.3.1.18)
kynurenate-7,8-dihydrodiol dehydrogenase. EC 1.3.1.18.. 7,8-dihydro-7,8-dihydroxykynurenate + NAD(+) = 7,8-dihydroxykynurenate +
kynureninase (EC 3.7.1.3)
kynureninase. EC 3.7.1.3.. L-kynurenine + H2O = anthranilate + L-alanine + H(+).
kynurenine 3-monooxygenase (EC 1.14.13.9)
kynurenine 3-monooxygenase. EC 1.14.13.9.. L-kynurenine + NADPH + O2 + H(+) = 3-hydroxy-L-kynurenine + NADP(+) +
kynurenine 7,8-hydroxylase (EC 1.14.99.2)
kynurenine 7,8-hydroxylase. EC 1.14.99.2.. kynurenate + AH2 + O2 = 7,8-dihydro-7,8-dihydroxykynurenate + A.
kynurenine--glyoxylate transaminase (EC 2.6.1.63)
kynurenine--glyoxylate transaminase. EC 2.6.1.63.. (1) L-kynurenine + glyoxylate = kynurenate + glycine + H2O.
kynurenine--oxoglutarate transaminase (EC 2.6.1.7)
kynurenine--oxoglutarate transaminase. EC 2.6.1.7.. L-kynurenine + 2-oxoglutarate = kynurenate + L-glutamate + H2O.
L-2-amino-4-chloropent-4-enoate dehydrochlorinase (EC 4.5.1.4)
L-2-amino-4-chloropent-4-enoate dehydrochlorinase. EC 4.5.1.4.. L-2-amino-4-chloropent-4-enoate + H2O = 2-oxopent-4-enoate + chloride +
L-2-aminoadipate reductase (EC 1.2.1.95)
L-2-aminoadipate reductase. EC 1.2.1.95.. (S)-2-amino-6-oxohexanoate + AMP + diphosphate + NADP(+) = L-2-
L-2-hydroxycarboxylate dehydrogenase (NAD(+)) (EC 1.1.1.337)
L-2-hydroxycarboxylate dehydrogenase (NAD(+)). EC 1.1.1.337.. a (2S)-2-hydroxycarboxylate + NAD(+) = a 2-oxocarboxylate + NADH + H(+).
L-2-hydroxycarboxylate dehydrogenase [NAD(P)(+)] (EC 1.1.1.375)
L-2-hydroxycarboxylate dehydrogenase [NAD(P)(+)]. EC 1.1.1.375.. (1) a (2S)-2-hydroxycarboxylate + NAD(+) = a 2-oxocarboxylate + NADH +
L-2-hydroxyglutarate dehydrogenase (EC 1.1.99.2)
L-2-hydroxyglutarate dehydrogenase. EC 1.1.99.2.. (S)-2-hydroxyglutarate + A = 2-oxoglutarate + AH2.
L-2,3-diaminopropanoate--citrate ligase (EC 6.3.2.54)
L-2,3-diaminopropanoate--citrate ligase. EC 6.3.2.54.. (S)-2,3-diaminopropanoate + citrate + ATP = 2-[(L-alanin-3-
L-3-cyanoalanine synthase (EC 4.4.1.9)
L-3-cyanoalanine synthase. EC 4.4.1.9.. hydrogen cyanide + L-cysteine = 3-cyano-L-alanine + hydrogen sulfide +
L-Ala-D/L-Glu epimerase (EC 5.1.1.20)
L-Ala-D/L-Glu epimerase. EC 5.1.1.20.. L-alanyl-L-glutamate = L-alanyl-D-glutamate.
L-alanine--[L-alanyl-carrier protein] ligase (EC 6.2.1.67)
L-alanine--[L-alanyl-carrier protein] ligase. EC 6.2.1.67.. holo-[peptidyl-carrier protein] + L-alanine + ATP = L-alanyl-[peptidyl-
L-alanine--L-anticapsin ligase (EC 6.3.2.49)
L-alanine--L-anticapsin ligase. EC 6.3.2.49.. L-anticapsin + L-alanine + ATP = bacilysin + ADP + phosphate + H(+).
L-allo-isoleucine--holo-[CmaA peptidyl-carrier protein] ligase (EC 6.2.1.46)
L-allo-isoleucine--holo-[CmaA peptidyl-carrier protein] ligase. EC 6.2.1.46.. L-alloisoleucine + holo-[CmaA peptidyl-carrier protein] + ATP =
L-allo-isoleucyltransferase (EC 2.3.2.28)
L-allo-isoleucyltransferase. EC 2.3.2.28.. holo-[CmaD peptidyl-carrier protein] + L-alloisoleucyl-[CmaA peptidyl-
L-allo-threonine aldolase (EC 4.1.2.49)
L-allo-threonine aldolase. EC 4.1.2.49.. L-allo-threonine = acetaldehyde + glycine.
L-amino-acid dehydrogenase (EC 1.4.1.5)
L-amino-acid dehydrogenase. EC 1.4.1.5.. an L-alpha-amino acid + NAD(+) + H2O = a 2-oxocarboxylate + NH4(+) + NADH
L-amino-acid oxidase (EC 1.4.3.2)
L-amino-acid oxidase. EC 1.4.3.2.. an L-alpha-amino acid + O2 + H2O = a 2-oxocarboxylate + H2O2 + NH4(+).
L-aminoadipate-semialdehyde dehydrogenase (EC 1.2.1.31)
L-aminoadipate-semialdehyde dehydrogenase. EC 1.2.1.31.. (1) (S)-2-amino-6-oxohexanoate + NADP(+) + H2O = L-2-aminoadipate + NADPH
L-arabinitol 2-dehydrogenase (EC 1.1.1.13)
L-arabinitol 2-dehydrogenase. EC 1.1.1.13.. L-arabinitol + NAD(+) = L-ribulose + NADH + H(+).
L-arabinitol 4-dehydrogenase (EC 1.1.1.12)
L-arabinitol 4-dehydrogenase. EC 1.1.1.12.. L-arabinitol + NAD(+) = L-xylulose + NADH + H(+).
L-arabinokinase (EC 2.7.1.46)
L-arabinokinase. EC 2.7.1.46.. L-arabinose + ATP = beta-L-arabinose 1-phosphate + ADP + H(+).
L-arabinonate dehydratase (EC 4.2.1.25)
L-arabinonate dehydratase. EC 4.2.1.25.. L-arabinonate = 2-dehydro-3-deoxy-L-arabinonate + H2O.
L-arabinonolactonase (EC 3.1.1.15)
L-arabinonolactonase. EC 3.1.1.15.. L-arabinono-1,4-lactone + H2O = L-arabinonate + H(+).
L-arabinose 1-dehydrogenase (EC 1.1.1.46)
L-arabinose 1-dehydrogenase. EC 1.1.1.46.. alpha-L-arabinopyanose + NAD(+) = L-arabinono-1,4-lactone + NADH + H(+).
L-arabinose 1-dehydrogenase [NAD(P)(+)] (EC 1.1.1.376)
L-arabinose 1-dehydrogenase [NAD(P)(+)]. EC 1.1.1.376.. (1) alpha-L-arabinopyanose + NAD(+) = L-arabinono-1,4-lactone + NADH +
L-arabinose isomerase (EC 5.3.1.4)
L-arabinose isomerase. EC 5.3.1.4.. beta-L-arabinopyranose = L-ribulose.
L-arginine dehydrogenase (EC 1.4.1.25)
L-arginine dehydrogenase. EC 1.4.1.25.. (1) L-arginine + NAD(+) + H2O = 5-guanidino-2-oxopentanoate + NH4(+) +
L-arginine hydroxylase (EC 1.14.11.41)
L-arginine hydroxylase. EC 1.14.11.41.. L-arginine + 2-oxoglutarate + O2 = (2S,3S)-hydroxyarginine + succinate +
L-arginine oxidase (EC 1.4.3.25)
L-arginine oxidase. EC 1.4.3.25.. L-arginine + O2 + H2O = 5-guanidino-2-oxopentanoate + H2O2 + NH4(+).
L-arginine--[L-arginyl-carrier protein] ligase (EC 6.2.1.63)
L-arginine--[L-arginyl-carrier protein] ligase. EC 6.2.1.63.. holo-[peptidyl-carrier protein] + L-arginine + ATP = L-arginyl-[peptidyl-
L-arginine-specific L-amino acid ligase (EC 6.3.2.48)
L-arginine-specific L-amino acid ligase. EC 6.3.2.48.. an L-alpha-amino acid + L-arginine + ATP = L-arginyl-L-alpha-amino acid +
L-arginine:2-oxoglutarate transaminase (EC 2.6.1.125)
L-arginine:2-oxoglutarate transaminase. EC 2.6.1.125.. L-arginine + 2-oxoglutarate = 5-guanidino-2-oxopentanoate + L-glutamate.
L-arginine:L-lysine amidinotransferase (EC 2.1.4.3)
L-arginine:L-lysine amidinotransferase. EC 2.1.4.3.. L-lysine + L-arginine = L-homoarginine + L-ornithine.
L-ascorbate oxidase (EC 1.10.3.3)
L-ascorbate oxidase. EC 1.10.3.3.. 4 L-ascorbate + O2 = 4 monodehydro-L-ascorbate radical + 2 H2O.
L-ascorbate peroxidase (EC 1.11.1.11)
L-ascorbate peroxidase. EC 1.11.1.11.. L-ascorbate + H2O2 = L-dehydroascorbate + 2 H2O.