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.
putrescine--2-oxoglutarate transaminase (EC 2.6.1.82)
putrescine--2-oxoglutarate transaminase. EC 2.6.1.82.. putrescine + 2-oxoglutarate = 4-aminobutanal + L-glutamate.
putrescine--pyruvate transaminase (EC 2.6.1.113)
putrescine--pyruvate transaminase. EC 2.6.1.113.. putrescine + pyruvate = 4-aminobutanal + L-alanine.
pycnoporopepsin (EC 3.4.23.30)
pycnoporopepsin. EC 3.4.23.30.. Specificity similar to pepsin A, but narrower, cleaving only three bonds
pyranose dehydrogenase (acceptor) (EC 1.1.99.29)
pyranose dehydrogenase (acceptor). EC 1.1.99.29.. (1) pyranose + acceptor = pyranos-2-ulose + reduced acceptor.
pyranose oxidase (EC 1.1.3.10)
pyranose oxidase. EC 1.1.3.10.. D-glucose + O2 = 2-dehydro-D-glucose + H2O2.
pyrazolylalanine synthase (EC 4.2.1.50)
pyrazolylalanine synthase. EC 4.2.1.50.. pyrazole + L-serine = 3-(pyrazol-1-yl)-L-alanine + H2O.
pyrethroid hydrolase (EC 3.1.1.88)
pyrethroid hydrolase. EC 3.1.1.88.. (-)-trans-permethrin + H2O = (3-phenoxyphenyl)methanol + (1S,3R)-3-(2,2-
pyridine N-methyltransferase (EC 2.1.1.87)
pyridine N-methyltransferase. EC 2.1.1.87.. pyridine + S-adenosyl-L-methionine = N-methylpyridinium + S-adenosyl-L-
pyridinium-3,5-biscarboxylic acid mononucleotide synthase (EC 2.5.1.143)
pyridinium-3,5-biscarboxylic acid mononucleotide synthase. EC 2.5.1.143.. deamido-NAD(+) + hydrogencarbonate = pyridinium-3,5-dicarboxylate
pyridinium-3,5-bisthiocarboxylic acid mononucleotide nickel chelatase (EC 4.99.1.12)
pyridinium-3,5-bisthiocarboxylic acid mononucleotide nickel chelatase. EC 4.99.1.12.. Ni(II)-pyridinium-3,5-bisthiocarboxylate mononucleotide = pyridinium-3,5-
pyridinol guanylyltransferase (EC 2.7.7.109)
pyridinol guanylyltransferase. EC 2.7.7.109.. 6-carboxymethyl-3,5-dimethyl-4-hydroxypyridin-2-ol + GTP + H(+) =
pyridoxal 4-dehydrogenase (EC 1.1.1.107)
pyridoxal 4-dehydrogenase. EC 1.1.1.107.. pyridoxal + NAD(+) = 4-pyridoxolactone + NADH + H(+).
pyridoxal 5'-phosphate synthase (EC 1.4.3.5)
pyridoxal 5'-phosphate synthase. EC 1.4.3.5.. (1) pyridoxamine 5'-phosphate + O2 + H2O = pyridoxal 5'-phosphate + H2O2
pyridoxal 5'-phosphate synthase (glutamine hydrolyzing) (EC 4.3.3.6)
pyridoxal 5'-phosphate synthase (glutamine hydrolyzing). EC 4.3.3.6.. aldehydo-D-ribose 5-phosphate + D-glyceraldehyde 3-phosphate +
pyridoxal kinase (EC 2.7.1.35)
pyridoxal kinase. EC 2.7.1.35.. pyridoxal + ATP = pyridoxal 5'-phosphate + ADP + H(+).
pyridoxal oxidase (EC 1.2.3.8)
pyridoxal oxidase. EC 1.2.3.8.. pyridoxal + O2 + H2O = 4-pyridoxate + H2O2 + H(+).
pyridoxal phosphatase (EC 3.1.3.74)
pyridoxal phosphatase. EC 3.1.3.74.. pyridoxal 5'-phosphate + H2O = pyridoxal + phosphate.
pyridoxamine--oxaloacetate transaminase (EC 2.6.1.31)
pyridoxamine--oxaloacetate transaminase. EC 2.6.1.31.. pyridoxamine + oxaloacetate = pyridoxal + L-aspartate.
pyridoxamine--pyruvate transaminase (EC 2.6.1.30)
pyridoxamine--pyruvate transaminase. EC 2.6.1.30.. pyridoxamine + pyruvate = pyridoxal + L-alanine.
pyridoxamine-phosphate transaminase (EC 2.6.1.54)
pyridoxamine-phosphate transaminase. EC 2.6.1.54.. pyridoxamine 5'-phosphate + 2-oxoglutarate = pyridoxal 5'-phosphate +
pyridoxine 4-dehydrogenase (EC 1.1.1.65)
pyridoxine 4-dehydrogenase. EC 1.1.1.65.. pyridoxine + NADP(+) = pyridoxal + NADPH + H(+).
pyridoxine 4-oxidase (EC 1.1.3.12)
pyridoxine 4-oxidase. EC 1.1.3.12.. pyridoxine + O2 = pyridoxal + H2O2.
pyridoxine 5-dehydrogenase (EC 1.1.99.9)
pyridoxine 5-dehydrogenase. EC 1.1.99.9.. pyridoxine + A = isopyridoxal + AH2.
pyridoxine 5'-O-beta-D-glucosyltransferase (EC 2.4.1.160)
pyridoxine 5'-O-beta-D-glucosyltransferase. EC 2.4.1.160.. pyridoxine + UDP-alpha-D-glucose = 5'-O-beta-D-glucosylpyridoxine + UDP +
pyridoxine 5'-phosphate synthase (EC 2.6.99.2)
pyridoxine 5'-phosphate synthase. EC 2.6.99.2.. 3-amino-2-oxopropyl phosphate + 1-deoxy-D-xylulose 5-phosphate =
pyrimidine monooxygenase (EC 1.14.99.46)
pyrimidine monooxygenase. EC 1.14.99.46.. (1) uracil + FMNH2 + NADH + O2 = (Z)-3-ureidoacrylate + FMN + NAD(+) +
pyrimidine-5'-nucleotide nucleosidase (EC 3.2.2.10)
pyrimidine-5'-nucleotide nucleosidase. EC 3.2.2.10.. a pyrimidine ribonucleoside 5'-phosphate + H2O = a pyrimidine nucleobase
pyrimidine-deoxynucleoside 1'-dioxygenase (EC 1.14.11.10)
pyrimidine-deoxynucleoside 1'-dioxygenase. EC 1.14.11.10.. 2'-deoxyuridine + 2-oxoglutarate + O2 = 2-deoxy-D-ribono-1,4-lactone +
pyrimidine-deoxynucleoside 2'-dioxygenase (EC 1.14.11.3)
pyrimidine-deoxynucleoside 2'-dioxygenase. EC 1.14.11.3.. 2'-deoxyuridine + 2-oxoglutarate + O2 = uridine + succinate + CO2.
pyrimidine-nucleoside phosphorylase (EC 2.4.2.2)
pyrimidine-nucleoside phosphorylase. EC 2.4.2.2.. (1) uridine + phosphate = alpha-D-ribose 1-phosphate + uracil.
pyrimidodiazepine synthase (EC 1.5.4.1)
pyrimidodiazepine synthase. EC 1.5.4.1.. 2-amino-6-acetyl-3,7,8,9-tetrahydro-3H-pyrimido[4,5-b][1,4]diazepin-4-one
pyrithiamine deaminase (EC 3.5.4.20)
pyrithiamine deaminase. EC 3.5.4.20.. 1-(4-amino-2-methylpyrimid-5-ylmethyl)-3-(2-hydroxyethyl)-2-
pyrogallol 1,2-oxygenase (EC 1.13.11.35)
pyrogallol 1,2-oxygenase. EC 1.13.11.35.. 1,2,3-trihydroxybenzene + O2 = (2Z,4E)-2-hydroxyhexa-2,4-dienedioate +
pyrogallol hydroxytransferase (EC 1.97.1.2)
pyrogallol hydroxytransferase. EC 1.97.1.2.. 1,2,3,5-tetrahydroxybenzene + 1,2,3-trihydroxybenzene = 1,2,3,5-
pyroglutamyl-peptidase I (EC 3.4.19.3)
pyroglutamyl-peptidase I. EC 3.4.19.3.. Release of an N-terminal pyroglutamyl group from a polypeptide,
pyroglutamyl-peptidase II (EC 3.4.19.6)
pyroglutamyl-peptidase II. EC 3.4.19.6.. Release of the N-terminal pyroglutamyl group from pGlu-|-His-Xaa
pyrrole-2-carboxylate decarboxylase (EC 4.1.1.93)
pyrrole-2-carboxylate decarboxylase. EC 4.1.1.93.. (1) pyrrole-2-carboxylate + H(+) = 1H-pyrrole + CO2.
pyrrole-2-carboxylate monooxygenase (EC 1.14.13.130)
pyrrole-2-carboxylate monooxygenase. EC 1.14.13.130.. pyrrole-2-carboxylate + NADH + O2 + H(+) = 5-hydroxypyrrole-2-carboxylate
pyrroline-5-carboxylate reductase (EC 1.5.1.2)
pyrroline-5-carboxylate reductase. EC 1.5.1.2.. (1) L-proline + NAD(+) = (S)-1-pyrroline-5-carboxylate + NADH + 2 H(+).
pyrroloquinoline-quinone synthase (EC 1.3.3.11)
pyrroloquinoline-quinone synthase. EC 1.3.3.11.. 6-(2-amino-2-carboxyethyl)-7,8-dioxo-1,2,3,4,7,8-hexahydroquinoline-2,4-
pyrrolysine--tRNA(Pyl) ligase (EC 6.1.1.26)
pyrrolysine--tRNA(Pyl) ligase. EC 6.1.1.26.. tRNA(Pyl) + L-pyrrolysine + ATP = L-pyrrolysyl-tRNA(Pyl) + AMP +
pyruvate carboxylase (EC 6.4.1.1)
pyruvate carboxylase. EC 6.4.1.1.. hydrogencarbonate + pyruvate + ATP = oxaloacetate + ADP + phosphate +
pyruvate decarboxylase (EC 4.1.1.1)
pyruvate decarboxylase. EC 4.1.1.1.. a 2-oxocarboxylate + H(+) = an aldehyde + CO2.
pyruvate dehydrogenase (acetyl-transferring) (EC 1.2.4.1)
pyruvate dehydrogenase (acetyl-transferring). EC 1.2.4.1.. N(6)-[(R)-lipoyl]-L-lysyl-[protein] + pyruvate + H(+) = N(6)-[(R)-S(8)-
pyruvate dehydrogenase (NADP(+)) (EC 1.2.1.51)
pyruvate dehydrogenase (NADP(+)). EC 1.2.1.51.. pyruvate + NADP(+) + CoA = acetyl-CoA + CO2 + NADPH.
pyruvate dehydrogenase (quinone) (EC 1.2.5.1)
pyruvate dehydrogenase (quinone). EC 1.2.5.1.. a ubiquinone + pyruvate + H2O = a ubiquinol + acetate + CO2.
pyruvate dehydrogenase system (EC 1.2.1.104)
pyruvate dehydrogenase system. EC 1.2.1.104.. pyruvate + NAD(+) + CoA = acetyl-CoA + CO2 + NADH.
pyruvate kinase (EC 2.7.1.40)
pyruvate kinase. EC 2.7.1.40.. pyruvate + ATP = phosphoenolpyruvate + ADP + H(+).
pyruvate oxidase (CoA-acetylating) (EC 1.2.3.6)
pyruvate oxidase (CoA-acetylating). EC 1.2.3.6.. pyruvate + CoA + O2 + H(+) = acetyl-CoA + H2O2 + CO2.
pyruvate oxidase (EC 1.2.3.3)
pyruvate oxidase. EC 1.2.3.3.. pyruvate + phosphate + O2 + H(+) = acetyl phosphate + H2O2 + CO2.
pyruvate synthase (EC 1.2.7.1)
pyruvate synthase. EC 1.2.7.1.. 2 oxidized [2Fe-2S]-[ferredoxin] + pyruvate + CoA = 2 reduced [2Fe-2S]-
pyruvate synthase (flavodoxin) (EC 1.2.8.1)
pyruvate synthase (flavodoxin). EC 1.2.8.1.. oxidized [flavodoxin] + pyruvate + CoA + 2 H(+) = reduced [flavodoxin] +
pyruvate, phosphate dikinase (EC 2.7.9.1)
pyruvate, phosphate dikinase. EC 2.7.9.1.. pyruvate + phosphate + ATP = phosphoenolpyruvate + AMP + diphosphate +
pyruvate, water dikinase (EC 2.7.9.2)
pyruvate, water dikinase. EC 2.7.9.2.. pyruvate + ATP + H2O = phosphoenolpyruvate + AMP + phosphate + 2 H(+).
quercetin 2,3-dioxygenase (EC 1.13.11.24)
quercetin 2,3-dioxygenase. EC 1.13.11.24.. quercetin + O2 = 2-(3,4-dihydroxybenzoyloxy)-4,6-dihydroxybenzoate + CO.
quercetin 3-O-methyltransferase (EC 2.1.1.76)
quercetin 3-O-methyltransferase. EC 2.1.1.76.. quercetin + S-adenosyl-L-methionine = 3',4',5,7-tetrahydroxy-3-
quercetin-3-sulfate 3'-sulfotransferase (EC 2.8.2.26)
quercetin-3-sulfate 3'-sulfotransferase. EC 2.8.2.26.. quercetin 3-sulfate + 3'-phosphoadenylyl sulfate = quercetin
quercetin-3-sulfate 4'-sulfotransferase (EC 2.8.2.27)
quercetin-3-sulfate 4'-sulfotransferase. EC 2.8.2.27.. quercetin 3-sulfate + 3'-phosphoadenylyl sulfate = quercetin
quercetin-3,3'-bissulfate 7-sulfotransferase (EC 2.8.2.28)
quercetin-3,3'-bissulfate 7-sulfotransferase. EC 2.8.2.28.. quercetin 3,3'-bissulfate + 3'-phosphoadenylyl sulfate = quercetin
questin hydroquinone dioxygenase (EC 1.13.11.96)
questin hydroquinone dioxygenase. EC 1.13.11.96.. questin hydroquinone + O2 = demethylsulochrin + 2 H(+).