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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.

NADPH--hemoprotein reductase (EC 1.6.2.4)

NADPH--hemoprotein reductase. EC 1.6.2.4.. 2 oxidized [cytochrome P450] + NADPH = 2 reduced [cytochrome P450] +

NADPH:quinone reductase (EC 1.6.5.5)

NADPH:quinone reductase. EC 1.6.5.5.. 2 a quinone + NADPH + H(+) = 2 a 1,4-benzosemiquinone + NADP(+).

naphthalene 1,2-dioxygenase (EC 1.14.12.12)

naphthalene 1,2-dioxygenase. EC 1.14.12.12.. naphthalene + NADH + O2 + H(+) = (1R,2S)-1,2-dihydronaphthalene-1,2-diol

narbonolide synthase (EC 2.3.1.240)

narbonolide synthase. EC 2.3.1.240.. 6 (S)-methylmalonyl-CoA + malonyl-CoA + 5 NADPH + 12 H(+) = narbonolide +

nardilysin (EC 3.4.24.61)

nardilysin. EC 3.4.24.61.. Hydrolysis of polypeptides, preferably at -Xaa-|-Arg-Lys-, and less

naringenin 7-O-methyltransferase (EC 2.1.1.232)

naringenin 7-O-methyltransferase. EC 2.1.1.232.. (2S)-naringenin + S-adenosyl-L-methionine = (2S)-sakuranetin +

naringenin 8-dimethylallyltransferase (EC 2.5.1.70)

naringenin 8-dimethylallyltransferase. EC 2.5.1.70.. (2S)-naringenin + dimethylallyl diphosphate = sophoraflavanone B +

NDP-glucose--starch glucosyltransferase (EC 2.4.1.242)

NDP-glucose--starch glucosyltransferase. EC 2.4.1.242.. an NDP-alpha-D-glucose + [(1->4)-alpha-D-glucosyl](n) = [(1->4)-alpha-D-

NDP-glycosyltransferase (EC 2.4.1.384)

NDP-glycosyltransferase. EC 2.4.1.384.. an NDP-glycose + an acceptor = a glycosylated acceptor + NDP.

neamine phosphoribosyltransferase (EC 2.4.2.49)

neamine phosphoribosyltransferase. EC 2.4.2.49.. neamine + 5-phospho-alpha-D-ribose 1-diphosphate =

neamine transaminase (EC 2.6.1.93)

neamine transaminase. EC 2.6.1.93.. neamine + 2-oxoglutarate = 6'-oxoparomamine + L-glutamate.

nebramycin 5' synthase (EC 6.1.2.2)

nebramycin 5' synthase. EC 6.1.2.2.. (1) tobramycin + carbamoyl phosphate + ATP + H2O = nebramycin 5' + AMP +

NEK6-subfamily protein kinase (EC 2.7.11.34)

NEK6-subfamily protein kinase. EC 2.7.11.34.. (1) L-seryl-[protein] + ATP = O-phospho-L-seryl-[protein] + ADP + H(+).

NEK9 subfamily protein kinase (EC 2.7.11.38)

NEK9 subfamily protein kinase. EC 2.7.11.38.. (1) L-seryl-[protein] + ATP = O-phospho-L-seryl-[protein] + ADP + H(+).

neoabietadiene synthase (EC 4.2.3.132)

neoabietadiene synthase. EC 4.2.3.132.. (+)-copalyl diphosphate = neoabietadiene + diphosphate.

neocarzinostatin naphthoate synthase (EC 2.3.1.237)

neocarzinostatin naphthoate synthase. EC 2.3.1.237.. 5 malonyl-CoA + acetyl-CoA + 2 NADPH + 6 H(+) = 2-hydroxy-5-methyl-1-

neolactotriaosylceramide beta-1,4-galactosyltransferase (EC 2.4.1.275)

neolactotriaosylceramide beta-1,4-galactosyltransferase. EC 2.4.1.275.. a beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1)-

neomycin C transaminase (EC 2.6.1.95)

neomycin C transaminase. EC 2.6.1.95.. neomycin C + 2-oxoglutarate = 6'''-deamino-6'''-oxoneomycin C +

neopentalenolactone D synthase (EC 1.14.13.171)

neopentalenolactone D synthase. EC 1.14.13.171.. 1-deoxy-11-oxopentalenate + NADPH + O2 + H(+) = neopentalenolactone D +

neopinone isomerase (EC 5.3.3.24)

neopinone isomerase. EC 5.3.3.24.. neopinone = codeinone.

neopullulanase (EC 3.2.1.135)

neopullulanase. EC 3.2.1.135.. Hydrolysis of pullulan to panose (6-alpha-D-glucosylmaltose).

neoverrucosan-5beta-ol synthase (EC 4.2.3.207)

neoverrucosan-5beta-ol synthase. EC 4.2.3.207.. (2E,6E,10E)-geranylgeranyl diphosphate + H2O = neoverrucosan-5beta-ol +

neoxanthin synthase (EC 5.3.99.9)

neoxanthin synthase. EC 5.3.99.9.. all-trans-violaxanthin = all-trans-neoxanthin.

nepenthesin (EC 3.4.23.12)

nepenthesin. EC 3.4.23.12.. Similar to pepsin, but also cleaves on either side of Asp and at

nepetalactol dehydrogenase (EC 1.1.1.419)

nepetalactol dehydrogenase. EC 1.1.1.419.. (1) cis-cis-nepetalactol + NAD(+) = cis-cis-nepetalactone + NADH + H(+).

nepetalactol monooxygenase (EC 1.14.14.161)

nepetalactol monooxygenase. EC 1.14.14.161.. (+)-cis-trans-nepetalactol + 3 reduced [NADPH--hemoprotein reductase] +

nephthenol synthase (EC 4.2.3.149)

nephthenol synthase. EC 4.2.3.149.. (2E,6E,10E)-geranylgeranyl diphosphate + H2O = (R)-nephthenol +

neprilysin (EC 3.4.24.11)

neprilysin. EC 3.4.24.11.. Preferential cleavage of polypeptides between hydrophobic residues,

neryl diphosphate diphosphatase (EC 3.1.7.13)

neryl diphosphate diphosphatase. EC 3.1.7.13.. neryl diphosphate + H2O = nerol + diphosphate.

nerylneryl diphosphate synthase (EC 2.5.1.142)

nerylneryl diphosphate synthase. EC 2.5.1.142.. 3 isopentenyl diphosphate + dimethylallyl diphosphate =

neurolysin (EC 3.4.24.16)

neurolysin. EC 3.4.24.16.. Preferential cleavage in neurotensin: 10-Pro-|-Tyr-11.

neutrophil collagenase (EC 3.4.24.34)

neutrophil collagenase. EC 3.4.24.34.. Cleavage of interstitial collagens in the triple helical domain. Unlike

nezukol synthase (EC 4.2.3.183)

nezukol synthase. EC 4.2.3.183.. (+)-copalyl diphosphate + H2O = nezukol + diphosphate.

Ni-sirohydrochlorin a,c-diamide reductive cyclase (EC 6.3.3.7)

Ni-sirohydrochlorin a,c-diamide reductive cyclase. EC 6.3.3.7.. Ni-sirohydrochlorin a,c-diamide + 3 AH2 + ATP + H2O = 15,17(3)-seco-F430-

Ni-sirohydrochlorin a,c-diamide synthase (EC 6.3.5.12)

Ni-sirohydrochlorin a,c-diamide synthase. EC 6.3.5.12.. Ni-sirohydrochlorin + 2 L-glutamine + 2 ATP + 2 H2O = Ni-sirohydrochlorin

nicotianamine aminotransferase (EC 2.6.1.80)

nicotianamine aminotransferase. EC 2.6.1.80.. nicotianamine + 2-oxoglutarate = 3''-deamino-3''-oxonicotianamine +

nicotianamine synthase (EC 2.5.1.43)

nicotianamine synthase. EC 2.5.1.43.. 3 S-adenosyl-L-methionine = nicotianamine + 3 S-methyl-5'-thioadenosine +

nicotinamidase (EC 3.5.1.19)

nicotinamidase. EC 3.5.1.19.. nicotinamide + H2O = nicotinate + NH4(+).

nicotinamide N-methyltransferase (EC 2.1.1.1)

nicotinamide N-methyltransferase. EC 2.1.1.1.. nicotinamide + S-adenosyl-L-methionine = 1-methylnicotinamide +

nicotinamide phosphoribosyltransferase (EC 2.4.2.12)

nicotinamide phosphoribosyltransferase. EC 2.4.2.12.. beta-nicotinamide D-ribonucleotide + diphosphate = 5-phospho-alpha-D-

nicotinamide-nucleotide adenylyltransferase (EC 2.7.7.1)

nicotinamide-nucleotide adenylyltransferase. EC 2.7.7.1.. beta-nicotinamide D-ribonucleotide + ATP + H(+) = diphosphate + NAD(+).

nicotinamide-nucleotide amidase (EC 3.5.1.42)

nicotinamide-nucleotide amidase. EC 3.5.1.42.. beta-nicotinamide D-ribonucleotide + H2O = nicotinate beta-D-

nicotinate D-ribonucleotide:phenol phospho-D-ribosyltransferase (EC 2.4.2.55)

nicotinate D-ribonucleotide:phenol phospho-D-ribosyltransferase. EC 2.4.2.55.. nicotinate beta-D-ribonucleotide + phenol = phenyl 5-phospho-alpha-D-

nicotinate dehydrogenase (cytochrome) (EC 1.17.2.1)

nicotinate dehydrogenase (cytochrome). EC 1.17.2.1.. 2 Fe(III)-[cytochrome] + nicotinate + H2O = 2 Fe(II)-[cytochrome] +

nicotinate dehydrogenase (EC 1.17.1.5)

nicotinate dehydrogenase. EC 1.17.1.5.. nicotinate + NADP(+) + H2O = 6-hydroxynicotinate + NADPH + H(+).

nicotinate glucosyltransferase (EC 2.4.1.196)

nicotinate glucosyltransferase. EC 2.4.1.196.. nicotinate + UDP-alpha-D-glucose = N-(beta-D-glucosyl)nicotinate + UDP.

nicotinate methyltransferase (EC 2.1.1.401)

nicotinate methyltransferase. EC 2.1.1.401.. nicotinate + S-adenosyl-L-methionine = methyl nicotinate + S-adenosyl-L-

nicotinate N-methyltransferase (EC 2.1.1.7)

nicotinate N-methyltransferase. EC 2.1.1.7.. nicotinate + S-adenosyl-L-methionine = N-methylnicotinate + S-adenosyl-L-

nicotinate phosphoribosyltransferase (EC 6.3.4.21)

nicotinate phosphoribosyltransferase. EC 6.3.4.21.. 5-phospho-alpha-D-ribose 1-diphosphate + nicotinate + ATP + H2O =

nicotinate riboside kinase (EC 2.7.1.173)

nicotinate riboside kinase. EC 2.7.1.173.. beta-D-ribosylnicotinate + ATP = nicotinate beta-D-ribonucleotide + ADP +

nicotinate-nucleotide adenylyltransferase (EC 2.7.7.18)

nicotinate-nucleotide adenylyltransferase. EC 2.7.7.18.. nicotinate beta-D-ribonucleotide + ATP + H(+) = deamido-NAD(+) +

nicotinate-nucleotide diphosphorylase (carboxylating) (EC 2.4.2.19)

nicotinate-nucleotide diphosphorylase (carboxylating). EC 2.4.2.19.. nicotinate beta-D-ribonucleotide + CO2 + diphosphate = quinolinate +

nicotinate-nucleotide--dimethylbenzimidazole phosphoribosyltransferase (EC 2.4.2.21)

nicotinate-nucleotide--dimethylbenzimidazole phosphoribosyltransferase. EC 2.4.2.21.. 5,6-dimethylbenzimidazole + nicotinate beta-D-ribonucleotide = alpha-

nicotine 6-hydroxylase (EC 1.5.99.4)

nicotine 6-hydroxylase. EC 1.5.99.4.. (S)-nicotine + A + H2O = (S)-6-hydroxynicotine + AH2.

nicotine blue oxidoreductase (EC 1.1.1.328)

nicotine blue oxidoreductase. EC 1.1.1.328.. (1) 3,3'-bipyridine-2,2',5,5',6,6'-hexol + NADP(+) = (E)-

nicotine dehydrogenase (EC 1.4.2.2)

nicotine dehydrogenase. EC 1.4.2.2.. (S)-nicotine + 2 Fe(III)-[cytochrome c] = N-methylmyosmine + 2 Fe(II)-

nigerose phosphorylase (EC 2.4.1.279)

nigerose phosphorylase. EC 2.4.1.279.. nigerose + phosphate = beta-D-glucose 1-phosphate + D-glucose.

nitrate reductase (cytochrome) (EC 1.9.6.1)

nitrate reductase (cytochrome). EC 1.9.6.1.. 2 Fe(II)-[cytochrome] + nitrate + 2 H(+) = 2 Fe(III)-[cytochrome] +

nitrate reductase (NADH) (EC 1.7.1.1)

nitrate reductase (NADH). EC 1.7.1.1.. nitrite + NAD(+) + H2O = nitrate + NADH + H(+).

nitrate reductase (NADPH) (EC 1.7.1.3)

nitrate reductase (NADPH). EC 1.7.1.3.. nitrite + NADP(+) + H2O = nitrate + NADPH + H(+).