Biochemistry & Enzymes

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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.

apulose kinase (EC 2.7.1.233)

apulose kinase. EC 2.7.1.233.. apulose + ATP = apulose 4-phosphate + ADP + H(+).

apulose-4-phosphate transketolase (EC 2.2.1.13)

apulose-4-phosphate transketolase. EC 2.2.1.13.. apulose 4-phosphate + D-glyceraldehyde 3-phosphate = D-xylulose

apyrase (EC 3.6.1.5)

apyrase. EC 3.6.1.5.. a ribonucleoside 5'-triphosphate + 2 H2O = a ribonucleoside 5'-phosphate

aqualysin 1 (EC 3.4.21.111)

aqualysin 1. EC 3.4.21.111.. Exhibits low specificity toward esters of amino acids with small

arabidiol synthase (EC 4.2.1.124)

arabidiol synthase. EC 4.2.1.124.. arabidiol = (S)-2,3-epoxysqualene + H2O.

arabinan endo-1,5-alpha-L-arabinosidase (EC 3.2.1.99)

arabinan endo-1,5-alpha-L-arabinosidase. EC 3.2.1.99.. Endohydrolysis of (1->5)-alpha-arabinofuranosidic linkages in (1->5)-

arabinofuranan 3-O-arabinosyltransferase (EC 2.4.2.47)

arabinofuranan 3-O-arabinosyltransferase. EC 2.4.2.47.. Adds an alpha-D-arabinofuranosyl group from trans,octacis-

arabinogalactan endo-beta-1,4-galactanase (EC 3.2.1.89)

arabinogalactan endo-beta-1,4-galactanase. EC 3.2.1.89.. The enzyme specifically hydrolyzes (1->4)-beta-D-galactosidic linkages in

arabinogalactan exo alpha-(1,3)-alpha-D-galactosyl-(1->3)-L- (EC 3.2.1.215)

arabinogalactan exo alpha-(1,3)-alpha-D-galactosyl-(1->3)-L-. EC 3.2.1.215.. Hydrolysis of alpha-D-Galp-(1->3)-L-Araf disaccharides from non-reducing

arabinogalactan exo alpha-(1,3)-beta-L-arabinopyranosyl-(1->3)-L- (EC 3.2.1.223)

arabinogalactan exo alpha-(1,3)-beta-L-arabinopyranosyl-(1->3)-L-. EC 3.2.1.223.. Hydrolysis of beta-L-Arap-(1->3)-L-Araf disaccharides from non-reducing

arabinonate dehydratase (EC 4.2.1.5)

arabinonate dehydratase. EC 4.2.1.5.. D-arabinonate = 2-dehydro-3-deoxy-D-arabinonate + H2O.

arabinose-5-phosphate isomerase (EC 5.3.1.13)

arabinose-5-phosphate isomerase. EC 5.3.1.13.. D-arabinose 5-phosphate = D-ribulose 5-phosphate.

arachidonate 12-lipoxygenase (EC 1.13.11.31)

arachidonate 12-lipoxygenase. EC 1.13.11.31.. (5Z,8Z,11Z,14Z)-eicosatetraenoate + O2 = (12S)-hydroperoxy-

arachidonate 15-lipoxygenase (EC 1.13.11.33)

arachidonate 15-lipoxygenase. EC 1.13.11.33.. (5Z,8Z,11Z,14Z)-eicosatetraenoate + O2 = (15S)-hydroperoxy-

arachidonate 5-lipoxygenase (EC 1.13.11.34)

arachidonate 5-lipoxygenase. EC 1.13.11.34.. (5Z,8Z,11Z,14Z)-eicosatetraenoate + O2 = leukotriene A4 + H2O.

arachidonate 8-lipoxygenase (EC 1.13.11.40)

arachidonate 8-lipoxygenase. EC 1.13.11.40.. (5Z,8Z,11Z,14Z)-eicosatetraenoate + O2 = (8R)-hydroperoxy-

arachidonate--CoA ligase (EC 6.2.1.15)

arachidonate--CoA ligase. EC 6.2.1.15.. (5Z,8Z,11Z,14Z)-eicosatetraenoate + ATP + CoA = (5Z,8Z,11Z,14Z)-

aralkylamine dehydrogenase (azurin) (EC 1.4.9.2)

aralkylamine dehydrogenase (azurin). EC 1.4.9.2.. an aralkylamine + 2 oxidized [azurin] + H2O = an aromatic aldehyde +

aralkylamine N-acetyltransferase (EC 2.3.1.87)

aralkylamine N-acetyltransferase. EC 2.3.1.87.. a 2-arylethylamine + acetyl-CoA = an N-acetyl-2-arylethylamine + CoA +

archaeal arginyl aminopeptidase (EC 3.4.11.27)

archaeal arginyl aminopeptidase. EC 3.4.11.27.. an N-terminal L-arginyl-L-aminoacyl-[protein] + H2O = an N-terminal

archaeosine synthase (EC 2.6.1.97)

archaeosine synthase. EC 2.6.1.97.. 7-cyano-7-carbaguanosine(15) in tRNA + L-glutamine + H2O =

archaetidylinositol phosphate synthase (EC 2.7.8.39)

archaetidylinositol phosphate synthase. EC 2.7.8.39.. CDP-2,3-bis-O-(phytanyl)-sn-glycerol + 1D-myo-inositol 3-phosphate =

archaetidylserine synthase (EC 2.7.8.38)

archaetidylserine synthase. EC 2.7.8.38.. (1) CDP-2,3-bis-O-(geranylgeranyl)-sn-glycerol + L-serine =

arginase (EC 3.5.3.1)

arginase. EC 3.5.3.1.. L-arginine + H2O = urea + L-ornithine.

arginine 2-monooxygenase (EC 1.13.12.1)

arginine 2-monooxygenase. EC 1.13.12.1.. L-arginine + O2 = 4-guanidinobutanamide + CO2 + H2O.

arginine amidinotransferase (EC 2.1.4.5)

arginine amidinotransferase. EC 2.1.4.5.. 2 L-arginine = N-amidino-L-arginine + L-ornithine.

arginine decarboxylase (EC 4.1.1.19)

arginine decarboxylase. EC 4.1.1.19.. L-arginine + H(+) = agmatine + CO2.

arginine deiminase (EC 3.5.3.6)

arginine deiminase. EC 3.5.3.6.. L-arginine + H2O = L-citrulline + NH4(+).

arginine dihydrolase (EC 3.5.3.27)

arginine dihydrolase. EC 3.5.3.27.. L-arginine + 2 H2O + 2 H(+) = L-ornithine + 2 NH4(+) + CO2.

arginine kinase (EC 2.7.3.3)

arginine kinase. EC 2.7.3.3.. L-arginine + ATP = N(omega)-phospho-L-arginine + ADP + H(+).

arginine N-succinyltransferase (EC 2.3.1.109)

arginine N-succinyltransferase. EC 2.3.1.109.. succinyl-CoA + L-arginine = N(2)-succinyl-L-arginine + CoA + H(+).

arginine N(omega)-methyltransferase (EC 2.1.1.381)

arginine N(omega)-methyltransferase. EC 2.1.1.381.. L-arginine + S-adenosyl-L-methionine = N(omega)-methyl-L-arginine +

arginine racemase (EC 5.1.1.9)

arginine racemase. EC 5.1.1.9.. L-arginine = D-arginine.

arginine--pyruvate transaminase (EC 2.6.1.84)

arginine--pyruvate transaminase. EC 2.6.1.84.. L-arginine + pyruvate = 5-guanidino-2-oxopentanoate + L-alanine.

arginine--tRNA ligase (EC 6.1.1.19)

arginine--tRNA ligase. EC 6.1.1.19.. tRNA(Arg) + L-arginine + ATP = L-arginyl-tRNA(Arg) + AMP + diphosphate.

argininosuccinate lyase (EC 4.3.2.1)

argininosuccinate lyase. EC 4.3.2.1.. 2-(N(omega)-L-arginino)succinate = fumarate + L-arginine.

argininosuccinate synthase (EC 6.3.4.5)

argininosuccinate synthase. EC 6.3.4.5.. L-citrulline + L-aspartate + ATP = 2-(N(omega)-L-arginino)succinate +

arginyltransferase (EC 2.3.2.8)

arginyltransferase. EC 2.3.2.8.. an N-terminal L-alpha-aminoacyl-[protein] + L-arginyl-tRNA(Arg) =

argonaute-2 (EC 3.1.26.n2)

argonaute-2. EC 3.1.26.n2.. Endonucleolytic cleavage to 5'-phosphomonoester.

aristolochene synthase (EC 4.2.3.9)

aristolochene synthase. EC 4.2.3.9.. (2E,6E)-farnesyl diphosphate = (+)-aristolochene + diphosphate.

arogenate dehydratase (EC 4.2.1.91)

arogenate dehydratase. EC 4.2.1.91.. L-arogenate + H(+) = L-phenylalanine + CO2 + H2O.

arogenate dehydrogenase (EC 1.3.1.43)

arogenate dehydrogenase. EC 1.3.1.43.. L-arogenate + NAD(+) = L-tyrosine + CO2 + NADH.

arogenate dehydrogenase (NADP(+)) (EC 1.3.1.78)

arogenate dehydrogenase (NADP(+)). EC 1.3.1.78.. L-arogenate + NADP(+) = L-tyrosine + CO2 + NADPH.

arogenate dehydrogenase [NAD(P)(+)] (EC 1.3.1.79)

arogenate dehydrogenase [NAD(P)(+)]. EC 1.3.1.79.. (1) L-arogenate + NADP(+) = L-tyrosine + CO2 + NADPH.

aromatase (EC 1.14.14.14)

aromatase. EC 1.14.14.14.. (1) testosterone + 3 reduced [NADPH--hemoprotein reductase] + 3 O2 =

aromatic 2-oxoacid reductase (EC 1.1.1.110)

aromatic 2-oxoacid reductase. EC 1.1.1.110.. (1) (R)-3-phenyllactate + NAD(+) = 3-phenylpyruvate + NADH + H(+).

aromatic aldoxime N-monooxygenase (EC 1.14.14.45)

aromatic aldoxime N-monooxygenase. EC 1.14.14.45.. (1) (E)-(indol-3-yl)acetaldehyde oxime + glutathione + reduced [NADPH-

aromatic desulfoglucosinolate sulfotransferase (EC 2.8.2.24)

aromatic desulfoglucosinolate sulfotransferase. EC 2.8.2.24.. (1) (Z)-desulfoglucotropeolin + 3'-phosphoadenylyl sulfate = (Z)-

aromatic-amino-acid transaminase (EC 2.6.1.57)

aromatic-amino-acid transaminase. EC 2.6.1.57.. an aromatic L-alpha-amino acid + 2-oxoglutarate = an aromatic oxo-acid +

aromatic-amino-acid--glyoxylate transaminase (EC 2.6.1.60)

aromatic-amino-acid--glyoxylate transaminase. EC 2.6.1.60.. an aromatic L-alpha-amino acid + glyoxylate = an aromatic oxo-acid +

aromatic-hydroxylamine O-acetyltransferase (EC 2.3.1.56)

aromatic-hydroxylamine O-acetyltransferase. EC 2.3.1.56.. N-hydroxy-4-acetylaminobiphenyl = N-acetoxy-4-aminobiphenyl.

aromatic-L-amino-acid decarboxylase (EC 4.1.1.28)

aromatic-L-amino-acid decarboxylase. EC 4.1.1.28.. (1) L-dopa + H(+) = dopamine + CO2.

arsenate reductase (azurin) (EC 1.20.9.1)

arsenate reductase (azurin). EC 1.20.9.1.. 2 oxidized [azurin] + arsenite + H2O = 2 reduced [azurin] + arsenate +

arsenate reductase (cytochrome c) (EC 1.20.2.1)

arsenate reductase (cytochrome c). EC 1.20.2.1.. arsenite + 2 Fe(III)-[cytochrome c] + H2O = arsenate + 2 Fe(II)-

arsenate reductase (donor) (EC 1.20.99.1)

arsenate reductase (donor). EC 1.20.99.1.. arsenite + A + H2O = arsenate + AH2 + H(+).

arsenate reductase (glutathione/glutaredoxin) (EC 1.20.4.1)

arsenate reductase (glutathione/glutaredoxin). EC 1.20.4.1.. [glutaredoxin]-dithiol + arsenate + glutathione + H(+) = glutathionyl-S-

arsenate reductase (thioredoxin) (EC 1.20.4.4)

arsenate reductase (thioredoxin). EC 1.20.4.4.. arsenate + [thioredoxin]-dithiol + H(+) = arsenite + [thioredoxin]-

arsenate-mycothiol transferase (EC 2.8.4.2)

arsenate-mycothiol transferase. EC 2.8.4.2.. mycothiol + arsenate = arseno-mycothiol + H2O.

arsenite methyltransferase (EC 2.1.1.137)

arsenite methyltransferase. EC 2.1.1.137.. (1) arsenic triglutathione + [thioredoxin]-dithiol + S-adenosyl-L-

arsenite-transporting ATPase (EC 7.3.2.7)

arsenite-transporting ATPase. EC 7.3.2.7.. arsenite(in) + ATP + H2O = arsenite(out) + ADP + phosphate + H(+).