Nomenclature Committee of the
International Union of Biochemistry and Molecular Biology (NC-IUBMB)

Enzyme Nomenclature

EC 1.4 to EC 1.97

Continued from contents EC 1.1 to EC 1.3

EC 1.4 Acting on the CH-NH2 group of donors

EC 1.4.1 With NAD+ or NADP+ as acceptor

EC 1.4.1.1 alanine dehydrogenase
EC 1.4.1.2 glutamate dehydrogenase
EC 1.4.1.3 glutamate dehydrogenase [NAD(P)+]
EC 1.4.1.4 glutamate dehydrogenase (NADP+)
EC 1.4.1.5 L-amino-acid dehydrogenase
EC 1.4.1.6 deleted, included in EC 1.4.4.1
EC 1.4.1.7 serine 2-dehydrogenase
EC 1.4.1.8 valine dehydrogenase (NADP+)
EC 1.4.1.9 leucine dehydrogenase
EC 1.4.1.10 glycine dehydrogenase
EC 1.4.1.11 L-erythro-3,5-diaminohexanoate dehydrogenase
EC 1.4.1.12 2,4-diaminopentanoate dehydrogenase
EC 1.4.1.13 glutamate synthase (NADPH)
EC 1.4.1.14 glutamate synthase (NADH)
EC 1.4.1.15 lysine dehydrogenase
EC 1.4.1.16 diaminopimelate dehydrogenase
EC 1.4.1.17 N-methylalanine dehydrogenase
EC 1.4.1.18 lysine 6-dehydrogenase
EC 1.4.1.19 tryptophan dehydrogenase
EC 1.4.1.20 phenylalanine dehydrogenase
EC 1.4.1.21 aspartate dehydrogenase
EC 1.4.1.22 deleted
EC 1.4.1.23 valine dehydrogenase (NAD+)
EC 1.4.1.24 3-dehydroquinate synthase II
EC 1.4.1.25 L-arginine dehydrogenase
EC 1.4.1.26 2,4-diaminopentanoate dehydrogenase (NAD+)

EC 1.4.2 With a cytochrome as acceptor

EC 1.4.2.1 glycine dehydrogenase (cytochrome)

EC 1.4.3 With oxygen as acceptor

EC 1.4.3.1 D-aspartate oxidase
EC 1.4.3.2 L-amino-acid oxidase
EC 1.4.3.3 D-amino-acid oxidase
EC 1.4.3.4 amine oxidase
EC 1.4.3.5 pyridoxal 5'-phosphate synthase
EC 1.4.3.6 deleted now EC 1.4.3.21 and EC 1.4.3.22
EC 1.4.3.7 D-glutamate oxidase
EC 1.4.3.8 ethanolamine oxidase
EC 1.4.3.9 deleted, included in EC 1.4.3.4
EC 1.4.3.10 putrescine oxidase
EC 1.4.3.11 L-glutamate oxidase
EC 1.4.3.12 cyclohexylamine oxidase
EC 1.4.3.13 protein-lysine 6-oxidase
EC 1.4.3.14 L-lysine oxidase
EC 1.4.3.15 D-glutamate(D-aspartate) oxidase
EC 1.4.3.16 L-aspartate oxidase
EC 1.4.3.17 now EC 1.3.3.10
EC 1.4.3.18 deleted, not approved
EC 1.4.3.19 glycine oxidase
EC 1.4.3.20 L-lysine 6-oxidase
EC 1.4.3.21 primary-amine oxidase
EC 1.4.3.22 diamine oxidase
EC 1.4.3.23 7-chloro-L-tryptophan oxidase
EC 1.4.3.24 pseudooxynicotine oxidase
EC 1.4.3.25 L-arginine oxidase

EC 1.4.4 With a disulfide as acceptor

EC 1.4.4.1 now EC 1.21.4.1
EC 1.4.4.2 glycine dehydrogenase (aminomethyl-transferring)

EC 1.4.5 With a quinone or similar compound as acceptor

EC 1.4.5.1 D-amino acid dehydrogenase (quinone)

EC 1.4.7 With an iron-sulfur protein as acceptor

EC 1.4.7.1 glutamate synthase (ferredoxin)

EC 1.4.9 With a copper protein as acceptor

EC 1.4.9.1 methylamine dehydrogenase (amicyanin)
EC 1.4.9.2 aralkylamine dehydrogenase (azurin)

EC 1.4.98 With other, known, physiological acceptors

EC 1.4.98.1 now EC 1.4.9.1

EC 1.4.99 With unknown physiological acceptors

EC 1.4.99.1 now EC 1.4.99.6
EC 1.4.99.2 taurine dehydrogenase
EC 1.4.99.3 now EC 1.4.98.1
EC 1.4.99.4 now EC 1.4.9.2
EC 1.4.99.5 glycine dehydrogenase (cyanide-forming)
EC 1.4.99.6 D-arginine dehydrogenase

EC 1.5 Acting on the CH-NH group of donors

EC 1.5.1 With NAD+ or NADP+ as acceptor

EC 1.5.1.1 1-piperideine-2-carboxylate/1-pyrroline-2-carboxylate reductase [NAD(P)H]
EC 1.5.1.2 pyrroline-5-carboxylate reductase
EC 1.5.1.3 dihydrofolate reductase
EC 1.5.1.4 deleted, included in EC 1.5.1.3
EC 1.5.1.5 methylenetetrahydrofolate dehydrogenase (NADP+)
EC 1.5.1.6 formyltetrahydrofolate dehydrogenase
EC 1.5.1.7 saccharopine dehydrogenase (NAD+, L-lysine-forming)
EC 1.5.1.8 saccharopine dehydrogenase (NADP+, L-lysine-forming)
EC 1.5.1.9 saccharopine dehydrogenase (NAD+, L-glutamate-forming)
EC 1.5.1.10 saccharopine dehydrogenase (NADP+, L-glutamate-forming)
EC 1.5.1.11 D-octopine dehydrogenase
EC 1.5.1.12 now EC 1.2.1.88
EC 1.5.1.13 now EC 1.17.1.5
EC 1.5.1.14 deleted, included in EC 1.5.1.21
EC 1.5.1.15 methylenetetrahydrofolate dehydrogenase (NAD+)
EC 1.5.1.16 D-lysopine dehydrogenase
EC 1.5.1.17 alanopine dehydrogenase
EC 1.5.1.18 ephedrine dehydrogenase
EC 1.5.1.19 D-nopaline dehydrogenase
EC 1.5.1.20 methylenetetrahydrofolate reductase [NAD(P)H]
EC 1.5.1.21 1-piperideine-2-carboxylate/1-pyrroline-2-carboxylate reductase (NADPH)
EC 1.5.1.22 strombine dehydrogenase
EC 1.5.1.23 tauropine dehydrogenase
EC 1.5.1.24 N5-(carboxyethyl)ornithine synthase
EC 1.5.1.25 thiomorpholine-carboxylate dehydrogenase
EC 1.5.1.26 β-alanopine dehydrogenase
EC 1.5.1.27 1,2-dehydroreticulinium reductase (NADPH)
EC 1.5.1.28 opine dehydrogenase
EC 1.5.1.29 deleted, now covered by EC 1.5.1.38, EC 1.5.1.39 and EC 1.5.1.41
EC 1.5.1.30 flavin reductase (NADPH)
EC 1.5.1.31 berberine reductase
EC 1.5.1.32 vomilenine reductase
EC 1.5.1.33 pteridine reductase
EC 1.5.1.34 6,7-dihydropteridine reductase
EC 1.5.1.35 deleted, same as EC 1.2.1.19
EC 1.5.1.36 flavin reductase (NADH)
EC 1.5.1.37 FAD reductase (NADH)
EC 1.5.1.38 FMN reductase (NADPH)
EC 1.5.1.39 FMN reductase [NAD(P)H]
EC 1.5.1.40 8-hydroxy-5-deazaflavin:NADPH oxidoreductase
EC 1.5.1.41 riboflavin reductase [NAD(P)H]
EC 1.5.1.42 FMN reductase (NADH)
EC 1.5.1.43 carboxynorspermidine synthase
EC 1.5.1.44 festuclavine dehydrogenase
EC 1.5.1.45 FAD reductase [NAD(P)H]
EC 1.5.1.46 agroclavine dehydrogenase
EC 1.5.1.47 dihydromethanopterin reductase [NAD(P)+]
EC 1.5.1.48 2-methyl-1-pyrroline reductase
EC 1.5.1.49 1-pyrroline-2-carboxylate reductase [NAD(P)H]
EC 1.5.1.50 dihydromonapterin reductase
EC 1.5.1.51 N-[(2S)-2-amino-2-carboxyethyl]-L-glutamate dehydrogenase

EC 1.5.3 With oxygen as acceptor

EC 1.5.3.1 sarcosine oxidase
EC 1.5.3.2 N-methyl-L-amino-acid oxidase
EC 1.5.3.3 deleted
EC 1.5.3.4 N6-methyl-lysine oxidase
EC 1.5.3.5 (S)-6-hydroxynicotine oxidase
EC 1.5.3.6 (R)-6-hydroxynicotine oxidase
EC 1.5.3.7 L-pipecolate oxidase
EC 1.5.3.8 deleted, included in EC 1.3.3.8
EC 1.5.3.9 now EC 1.21.3.3
EC 1.5.3.10 dimethylglycine oxidase
EC 1.5.3.11 deleted, now EC 1.5.3.13, EC 1.5.3.14, EC 1.5.3.15, EC 1.5.3.16 and EC 1.5.3.17
EC 1.5.3.12 dihydrobenzophenanthridine oxidase
EC 1.5.3.13 N1-acetylpolyamine oxidase
EC 1.5.3.14 polyamine oxidase (propane-1,3-diamine-forming)
EC 1.5.3.15 N8-acetylspermidine oxidase (propane-1,3-diamine-forming)
EC 1.5.3.16 spermine oxidase
EC 1.5.3.17 non-specific polyamine oxidase
EC 1.5.3.18 L-saccharopine oxidase
EC 1.5.3.19 4-methylaminobutanoate oxidase (formaldehyde-forming)
EC 1.5.3.20 N-alkylglycine oxidase
EC 1.5.3.21 4-methylaminobutanoate oxidase (methylamine-forming)
EC 1.5.3.22 coenzyme F420H2 oxidase
EC 1.5.3.23 glyphosate oxidoreductase

EC 1.5.4 With a disulfide as acceptor

EC 1.5.4.1 pyrimidodiazepine synthase

EC 1.5.5 With a quinone or similar compound as acceptor

EC 1.5.5.1 electron-transferring-flavoprotein dehydrogenase
EC 1.5.5.2 proline dehydrogenase
EC 1.5.5.3 hydroxyproline dehydrogenase

EC 1.5.7 With an iron-sulfur protein as acceptor

EC 1.5.7.1 methylenetetrahydrofolate reductase (ferredoxin)
EC 1.5.7.2 coenzyme F420 oxidoreductase (ferredoxin)

EC 1.5.8 With a flavin as acceptor

EC 1.5.8.1 dimethylamine dehydrogenase
EC 1.5.8.2 trimethylamine dehydrogenase
EC 1.5.8.3 sarcosine dehydrogenase
EC 1.5.8.4 dimethylglycine dehydrogenase

EC 1.5.98 With other, known, physiological acceptors

EC 1.5.98.1 methylenetetrahydromethanopterin dehydrogenase
EC 1.5.98.2 5,10-methylenetetrahydromethanopterin reductase
EC 1.5.98.3 coenzyme F420:methanophenazine dehydrogenase

EC 1.5.99 With unknown physiological acceptors

EC 1.5.99.1 now EC 1.5.8.3
EC 1.5.99.2 now EC 1.5.8.4
EC 1.5.99.3 L-pipecolate dehydrogenase
EC 1.5.99.4 nicotine dehydrogenase
EC 1.5.99.5 methylglutamate dehydrogenase
EC 1.5.99.6 spermidine dehydrogenase
EC 1.5.99.7 now EC 1.5.8.2
EC 1.5.99.8 now EC 1.5.5.2
EC 1.5.99.9 now EC 1.5.98.1
EC 1.5.99.10 now EC 1.5.8.1
EC 1.5.99.11 now EC 1.5.98.2
EC 1.5.99.12 cytokinin dehydrogenase
EC 1.5.99.13 D-proline dehydrogenase
EC 1.5.99.14 6-hydroxypseudooxynicotine dehydrogenase
EC 1.5.99.15 dihydromethanopterin reductase (acceptor)

EC 1.6 Acting on NADH or NADPH

EC 1.6.1 With NAD+ or NADP+ as acceptor

EC 1.6.1.1 NAD(P)+ transhydrogenase (Si-specific)
EC 1.6.1.2 NAD(P)+ transhydrogenase (Re/Si-specific)
EC 1.6.1.3 NAD(P)+ transhydrogenase
EC 1.6.1.4 NAD(P)+ transhydrogenase (ferredoxin)
EC 1.6.1.5 transferred, now EC 7.1.1.1

EC 1.6.2 With a heme protein as acceptor

EC 1.6.2.1 now EC 1.6.99.3
EC 1.6.2.2 cytochrome-b5 reductase
EC 1.6.2.3 deleted
EC 1.6.2.4 NADPH—hemoprotein reductase
EC 1.6.2.5 NADPH—cytochrome-c2 reductase
EC 1.6.2.6 leghemoglobin reductase

EC 1.6.3 With oxygen as acceptor

EC 1.6.3.1 NAD(P)H oxidase (H2O2-forming)
EC 1.6.3.2 NAD(P)H oxidase (H2O-forming)
EC 1.6.3.3 NADH oxidase (H2O2-forming)
EC 1.6.3.4 NADH oxidase (H2O-forming)
EC 1.6.3.5 renalase

EC 1.6.4 With a disulfide as acceptor

EC 1.6.4.1 now EC 1.8.1.6
EC 1.6.4.2 now EC 1.8.1.7
EC 1.6.4.3 now EC 1.8.1.4
EC 1.6.4.4 now EC 1.8.1.8
EC 1.6.4.5 now EC 1.8.1.9
EC 1.6.4.6 now EC 1.8.1.10
EC 1.6.4.7 now EC 1.8.1.11
EC 1.6.4.8 now EC 1.8.1.12
EC 1.6.4.9 now EC 1.8.1.13
EC 1.6.4.10 now EC 1.8.1.14

EC 1.6.5 With a quinone or similar compound as acceptor

EC 1.6.5.1 deleted
EC 1.6.5.2 NAD(P)H dehydrogenase (quinone)
EC 1.6.5.3 transferred, now EC 7.1.1.2
EC 1.6.5.4 monodehydroascorbate reductase (NADH)
EC 1.6.5.5 NADPH:quinone reductase
EC 1.6.5.6 p-benzoquinone reductase (NADPH)
EC 1.6.5.7 2-hydroxy-1,4-benzoquinone reductase
EC 1.6.5.8 transferred, now EC 7.2.1.1
EC 1.6.5.9 NADH:ubiquinone reductase (non-electrogenic)
EC 1.6.5.10 NADPH dehydrogenase (quinone)
EC 1.6.5.11 NADH dehydrogenase (quinone)
EC 1.6.5.12 demethylphylloquinone reductase

EC 1.6.6 With a nitrogenous group as acceptor

EC 1.6.6.1 now EC 1.7.1.1
EC 1.6.6.2 now EC 1.7.1.2
EC 1.6.6.3 now EC 1.7.1.3
EC 1.6.6.4 now EC 1.7.1.4
EC 1.6.6.5 now EC 1.7.99.3
EC 1.6.6.6 now EC 1.7.1.5
EC 1.6.6.7 now EC 1.7.1.6
EC 1.6.6.8 now EC 1.7.1.7
EC 1.6.6.9 trimethylamine-N-oxide reductase
EC 1.6.6.10 now EC 1.7.1.9
EC 1.6.6.11 now EC 1.7.1.10
EC 1.6.6.12 now EC 1.7.1.11
EC 1.6.6.13 now EC 1.7.1.12

EC 1.6.7 With a iron-sulfur protein as acceptor

EC 1.6.7.1 now EC 1.18.1.2
EC 1.6.7.2 now EC 1.18.1.1

EC 1.6.8 With a flavin as acceptor

EC 1.6.8.1 now EC 1.5.1.29
EC 1.6.8.2 now EC 1.5.1.30

EC 1.6.99 With unknown physiological acceptors

EC 1.6.99.1 NADPH dehydrogenase
EC 1.6.99.2 now EC 1.6.5.2
EC 1.6.99.3 NADH dehydrogenase
EC 1.6.99.4 now EC 1.18.1.2
EC 1.6.99.5 now EC 1.6.5.11
EC 1.6.99.6 now EC 1.6.5.10
EC 1.6.99.7 now EC 1.5.1.34
EC 1.6.99.8 now EC 1.16.1.3
EC 1.6.99.9 now EC 1.16.1.4
EC 1.6.99.10 now included with EC 1.5.1.34
EC 1.6.99.11 now EC 1.16.1.5
EC 1.6.99.12 now EC 1.16.1.6
EC 1.6.99.13 now EC 1.16.1.7

EC 1.7 Acting on other nitrogenous compounds as donors

EC 1.7.1 With NAD+ or NADP+ as acceptor

EC 1.7.1.1 nitrate reductase (NADH)
EC 1.7.1.2 nitrate reductase [NAD(P)H]
EC 1.7.1.3 nitrate reductase (NADPH)
EC 1.7.1.4 nitrite reductase [NAD(P)H]
EC 1.7.1.5 hyponitrite reductase
EC 1.7.1.6 azobenzene reductase
EC 1.7.1.7 GMP reductase
EC 1.7.1.8 deleted entry
EC 1.7.1.9 nitroquinoline-N-oxide reductase
EC 1.7.1.10 hydroxylamine reductase (NADH)
EC 1.7.1.11 4-(dimethylamino)phenylazoxybenzene reductase
EC 1.7.1.12 N-hydroxy-2-acetamidofluorene reductase
EC 1.7.1.13 preQ1 reductase
EC 1.7.1.14 nitric oxide reductase [NAD(P), nitrous oxide-forming]
EC 1.7.1.15 nitrite reductase (NADH)
EC 1.7.1.16 nitrobenzene nitroreductase
EC 1.7.1.17 FMN-dependent NADH-azoreductase

EC 1.7.2 With a cytochrome as acceptor

EC 1.7.2.1 nitrite reductase (NO-forming)
EC 1.7.2.2 nitrite reductase (cytochrome; ammonia-forming)
EC 1.7.2.3 trimethylamine-N-oxide reductase (cytochrome c)
EC 1.7.2.4 nitrous-oxide reductase
EC 1.7.2.5 nitric oxide reductase (cytochrome c)
EC 1.7.2.6 hydroxylamine dehydrogenase
EC 1.7.2.7 hydrazine synthase
EC 1.7.2.8 hydrazine dehydrogenase

EC 1.7.3 With oxygen as acceptor

EC 1.7.3.1 nitroalkane oxidase
EC 1.7.3.2 acetylindoxyl oxidase
EC 1.7.3.3 factor-independent urate hydroxylase
EC 1.7.3.4 deleted now covered by EC 1.7.2.6 and EC 1.7.3.6
EC 1.7.3.5 3-aci-nitropropanoate oxidase
EC 1.7.3.6 hydroxylamine oxidase (cytochrome)

EC 1.7.5 With a quinone or similar compound as acceptor

EC 1.7.5.1 nitrate reductase (quinone)

EC 1.7.5.2 nitric oxide reductase (menaquinol)
EC 1.7.6 With a nitrogenous group as acceptor

EC 1.7.6.1 nitrite dismutase

EC 1.7.7 With an iron-sulfur protein as acceptor

EC 1.7.7.1 ferredoxin—nitrite reductase
EC 1.7.7.2 ferredoxin—nitrate reductase

EC 1.7.99 With unknown physiological acceptors

EC 1.7.99.1 hydroxylamine reductase
EC 1.7.99.2 deleted
EC 1.7.99.3 included with EC 1.7.2.1
EC 1.7.99.4 now EC 1.7.1.1, EC 1.7.1.2, EC 1.7.1.3, EC 1.7.5.1, EC 1.7.7.2 and EC 1.9.6.1
EC 1.7.99.5 deleted, now included with EC 1.5.1.20
EC 1.7.99.6 now EC 1.7.2.4
EC 1.7.99.7 now EC 1.7.2.5
EC 1.7.99.8 now EC 1.7.2.8

EC 1.8 Acting on a sulfur group of donors

EC 1.8.1 With NAD+ or NADP+ as acceptor

EC 1.8.1.1 deleted
EC 1.8.1.2 assimilatory sulfite reductase (NADPH)
EC 1.8.1.3 hypotaurine dehydrogenase
EC 1.8.1.4 dihydrolipoyl dehydrogenase
EC 1.8.1.5 2-oxopropyl-CoM reductase (carboxylating)
EC 1.8.1.6 cystine reductase
EC 1.8.1.7 glutathione-disulfide reductase
EC 1.8.1.8 protein-disulfide reductase
EC 1.8.1.9 thioredoxin-disulfide reductase
EC 1.8.1.10 CoA-glutathione reductase
EC 1.8.1.11 asparagusate reductase
EC 1.8.1.12 trypanothione-disulfide reductase
EC 1.8.1.13 bis-γ-glutamylcystine reductase
EC 1.8.1.14 CoA-disulfide reductase
EC 1.8.1.15 mycothione reductase
EC 1.8.1.16 glutathione amide reductase
EC 1.8.1.17 dimethylsulfone reductase
EC 1.8.1.18 NAD(P)H sulfur oxidoreductase (CoA-dependent)
EC 1.8.1.19 sulfide dehydrogenase
EC 1.8.1.20 4,4'-dithiodibutanoate disulfide reductase

EC 1.8.2 With a cytochrome as acceptor

EC 1.8.2.1 sulfite dehydrogenase (cytochrome)
EC 1.8.2.2 thiosulfate dehydrogenase
EC 1.8.2.3 sulfide-cytochrome-c reductase (flavocytochrome c)
EC 1.8.2.4 dimethyl sulfide:cytochrome c2 reductase
EC 1.8.2.5 thiosulfate reductase (cytochrome)
EC 1.8.2.6 S-disulfanyl-L-cysteine oxidoreductase

EC 1.8.3 With oxygen as acceptor

EC 1.8.3.1 sulfite oxidase
EC 1.8.3.2 thiol oxidase
EC 1.8.3.3 glutathione oxidase
EC 1.8.3.4 methanethiol oxidase
EC 1.8.3.5 prenylcysteine oxidase
EC 1.8.3.6 farnesylcysteine lyase
EC 1.8.3.7 formylglycine-generating enzyme

EC 1.8.4 With a disulfide as acceptor

EC 1.8.4.1 glutathione—homocystine transhydrogenase
EC 1.8.4.2 protein-disulfide reductase (glutathione)
EC 1.8.4.3 glutathione—CoA-glutathione transhydrogenase
EC 1.8.4.4 glutathione—cystine transhydrogenase
EC 1.8.4.5 now EC 1.8.4.13 and EC 1.8.4.14
EC 1.8.4.6 now EC 1.8.4.11
EC 1.8.4.7 enzyme-thiol transhydrogenase (glutathione-disulfide)
EC 1.8.4.8 phosphoadenylyl-sulfate reductase (thioredoxin)
EC 1.8.4.9 adenylyl-sulfate reductase (glutathione)
EC 1.8.4.10 adenylyl-sulfate reductase (thioredoxin)
EC 1.8.4.11 peptide-methionine (S)-S-oxide reductase
EC 1.8.4.12 peptide-methionine (R)-S-oxide reductase
EC 1.8.4.13 L-methionine (S)-S-oxide reductase
EC 1.8.4.14 L-methionine (R)-S-oxide reductase

EC 1.8.5 With a quinone or similar compound as acceptor

EC 1.8.5.1 glutathione dehydrogenase (ascorbate)
EC 1.8.5.2 thiosulfate dehydrogenase (quinone)
EC 1.8.5.3 dimethylsulfoxide reductase
EC 1.8.5.4 bacterial sulfide:quinone reductase
EC 1.8.5.5 thiosulfate reductase (quinone)
EC 1.8.5.6 sulfite dehydrogenase (quinone)
EC 1.8.5.7 glutathionyl-hydroquinone reductase
EC 1.8.5.8 eukaryotic sulfide quinone oxidoreductase

EC 1.8.6 With an nitrogenous group as acceptor

EC 1.8.6.1 deleted, included in EC 2.5.1.18

EC 1.8.7 With an iron-sulfur protein as acceptor

EC 1.8.7.1 assimilatory sulfite reductase (ferredoxin)
EC 1.8.7.2 ferredoxin:thioredoxin reductase

EC 1.8.98 With other, known, physiological acceptors

EC 1.8.98.1 dihydromethanophenazine:CoB-CoM heterodisulfide reductase
EC 1.8.98.2 sulfiredoxin
EC 1.8.98.3 sulfite reductase (coenzyme F420)
EC 1.8.98.4 coenzyme F420:CoB-CoM heterodisulfide,ferredoxin reductase
EC 1.8.98.5 H2:CoB-CoM heterodisulfide,ferredoxin reductase
EC 1.8.98.6 formate:CoB-CoM heterodisulfide,ferredoxin reductase

EC 1.8.99 With unknown physiological acceptors

EC 1.8.99.1 deleted now covered by EC 1.8.1.2 and EC 1.8.7.1
EC 1.8.99.2 adenylyl-sulfate reductase
EC 1.8.99.3 deleted
EC 1.8.99.4 now EC 1.8.4.8

EC 1.8.99.5 dissimilatory sulfite reductase
EC 1.9 Acting on a heme group of donors

EC 1.9.3 With oxygen as acceptor

EC 1.9.3.1 cytochrome-c oxidase
EC 1.9.3.2 included with EC 1.7.2.1

EC 1.9.6 With a nitrogenous group as acceptor

EC 1.9.6.1 nitrate reductase (cytochrome)

EC 1.9.98 With other, known, physiological acceptors

EC 1.9.98.1 iron—cytochrome-c reductase

EC 1.9.99 With unknown physiological acceptors

EC 1.9.99.1 now EC 1.9.98.1
EC 1.10 Acting on diphenols and related substances as donors

EC 1.10.1 With NAD+ or NADP+ as acceptor

EC 1.10.1.1 trans-acenaphthene-1,2-diol dehydrogenase

EC 1.10.2 With a cytochrome as acceptor

EC 1.10.2.1 L-ascorbate—cytochrome-b5 reductase
EC 1.10.2.2 quinol—cytochrome-c reductase

EC 1.10.3 With oxygen as acceptor

EC 1.10.3.1 catechol oxidase
EC 1.10.3.2 laccase
EC 1.10.3.3 L-ascorbate oxidase
EC 1.10.3.4 o-aminophenol oxidase
EC 1.10.3.5 3-hydroxyanthranilate oxidase
EC 1.10.3.6 rifamycin-B oxidase
EC 1.10.3.7 now EC 1.21.3.4
EC 1.10.3.8 now EC 1.21.3.5
EC 1.10.3.9 photosystem II
EC 1.10.3.10 ubiquinol oxidase (H+-transporting)
EC 1.10.3.11 ubiquinol oxidase (non-electrogenic)
EC 1.10.3.12 menaquinol oxidase (H+-transporting)
EC 1.10.3.13 caldariellaquinol oxidase (H+-transporting)
EC 1.10.3.14 ubiquinol oxidase (electrogenic, non H+-transporting)
EC 1.10.3.15 grixazone synthase
EC 1.10.3.16 dihydrophenazinedicarboxylate synthase

EC 1.10.5 With a quinone or related compound as acceptor
EC 1.10.5.1 ribosyldihydronicotinamide dehydrogenase (quinone)


EC 1.10.9 With a copper protein as acceptor

EC 1.10.9.1 plastoquinol—plastocyanin reductase

EC 1.10.99 With unknown physiological acceptors

EC 1.10.99.1 now EC 1.10.9.1
EC 1.10.99.2 now EC 1.10.5.1
EC 1.10.99.3 now EC 1.23.5.1

EC 1.11 Acting on a peroxide as acceptor

EC 1.11.1 Peroxidases

EC 1.11.1.1 NADH peroxidase
EC 1.11.1.2 NADPH peroxidase
EC 1.11.1.3 fatty-acid peroxidase
EC 1.11.1.4 now EC 1.13.11.11
EC 1.11.1.5 cytochrome-c peroxidase
EC 1.11.1.6 catalase
EC 1.11.1.7 peroxidase
EC 1.11.1.8 iodide peroxidase
EC 1.11.1.9 glutathione peroxidase
EC 1.11.1.10 chloride peroxidase
EC 1.11.1.11 L-ascorbate peroxidase
EC 1.11.1.12 phospholipid-hydroperoxide glutathione peroxidase
EC 1.11.1.13 manganese peroxidase
EC 1.11.1.14 lignin peroxidase
EC 1.11.1.15 peroxiredoxin
EC 1.11.1.16 versatile peroxidase
EC 1.11.1.17 glutathione amide-dependent peroxidase
EC 1.11.1.18 bromide peroxidase
EC 1.11.1.19 dye decolorizing peroxidase
EC 1.11.1.20 prostamide/prostaglandin F synthase
EC 1.11.1.21 catalase-peroxidase
EC 1.11.1.22 hydroperoxy fatty acid reductase
EC 1.11.1.23 (S)-2-hydroxypropylphosphonic acid epoxidase

EC 1.11.2 With H2O2 as acceptor, one oxygen atom of which is incorporated into the product

EC 1.11.2.1 unspecific peroxygenase
EC 1.11.2.2 myeloperoxidase
EC 1.11.2.3 plant seed peroxygenase
EC 1.11.2.4 fatty-acid peroxygenase
EC 1.11.2.5 3-methyl-L-tyrosine peroxygenase

EC 1.12 Acting on hydrogen as donor

EC 1.12.1 With NAD+ or NADP+ as acceptor

EC 1.12.1.1 now EC 1.18.99.1
EC 1.12.1.2 hydrogen dehydrogenase
EC 1.12.1.3 hydrogen dehydrogenase (NADP+)
EC 1.12.1.4 hydrogenase (NAD+, ferredoxin)
EC 1.12.1.5 hydrogen dehydrogenase [NAD(P)+]

EC 1.12.2 With a cytochrome as acceptor

EC 1.12.2.1 cytochrome-c3 hydrogenase

EC 1.12.5 With a quinone or similar compound as acceptor

EC 1.12.5.1 hydrogen:quinone oxidoreductase

EC 1.12.7 With an iron-sulfur protein as acceptor

EC 1.12.7.1 now EC 1.18.99.1
EC 1.12.7.2 ferredoxin hydrogenase

EC 1.12.98 With other, known, physiological acceptors

EC 1.12.98.1 coenzyme F420 hydrogenase
EC 1.12.98.2 5,10-methenyltetrahydromethanopterin hydrogenase
EC 1.12.98.3 Methanosarcina-phenazine hydrogenase
EC 1.12.98.4 sulfhydrogenase

EC 1.12.99 With unknown physiological acceptors

EC 1.12.99.1 now EC 1.12.98.1
EC 1.12.99.2 deleted, composed of EC 1.12.98.3 and EC 1.8.98.1
EC 1.12.99.3 now EC 1.12.5.1
EC 1.12.99.4 now EC 1.12.98.2
EC 1.12.99.5 identical to EC 1.13.11.47
EC 1.12.99.6 hydrogenase (acceptor)

EC 1.13 Acting on single donors with incorporation of molecular oxygen (oxygenases)

EC 1.13.1.1 now EC 1.13.11.1
EC 1.13.1.2 now EC 1.13.11.2
EC 1.13.1.3 now EC 1.13.11.3
EC 1.13.1.4 now EC 1.13.11.4
EC 1.13.1.5 now EC 1.13.11.5
EC 1.13.1.6 now EC 1.13.11.6
EC 1.13.1.7 now EC 1.13.11.7
EC 1.13.1.8 now EC 1.13.11.8
EC 1.13.1.9 now EC 1.13.11.9
EC 1.13.1.10 now EC 1.13.11.10
EC 1.13.1.11 now EC 1.13.99.1
EC 1.13.1.12 now EC 1.13.11.11
EC 1.13.1.13 now EC 1.13.11.12

EC 1.13.11 With incorporation of two atoms of oxygen

EC 1.13.11.1 catechol 1,2-dioxygenase
EC 1.13.11.2 catechol 2,3-dioxygenase
EC 1.13.11.3 protocatechuate 3,4-dioxygenase
EC 1.13.11.4 gentisate 1,2-dioxygenase
EC 1.13.11.5 homogentisate 1,2-dioxygenase
EC 1.13.11.6 3-hydroxyanthranilate 3,4-dioxygenase
EC 1.13.11.7 deleted
EC 1.13.11.8 protocatechuate 4,5-dioxygenase
EC 1.13.11.9 2,5-dihydroxypyridine 5,6-dioxygenase
EC 1.13.11.10 7,8-dihydroxykynurenate 8,8a-dioxygenase
EC 1.13.11.11 tryptophan 2,3-dioxygenase
EC 1.13.11.12 linoleate 13S-lipoxygenase
EC 1.13.11.13 deleted
EC 1.13.11.14 2,3-dihydroxybenzoate 3,4-dioxygenase
EC 1.13.11.15 3,4-dihydroxyphenylacetate 2,3-dioxygenase
EC 1.13.11.16 3-carboxyethylcatechol 2,3-dioxygenase
EC 1.13.11.17 indole 2,3-dioxygenase
EC 1.13.11.18 sulfur dioxygenase
EC 1.13.11.19 cysteamine dioxygenase
EC 1.13.11.20 cysteine dioxygenase
EC 1.13.11.21 now EC 1.14.99.36
EC 1.13.11.22 caffeate 3,4-dioxygenase
EC 1.13.11.23 2,3-dihydroxyindole 2,3-dioxygenase
EC 1.13.11.24 quercetin 2,3-dioxygenase
EC 1.13.11.25 3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione 4,5-dioxygenase
EC 1.13.11.26 peptide-tryptophan 2,3-dioxygenase
EC 1.13.11.27 4-hydroxyphenylpyruvate dioxygenase
EC 1.13.11.28 2,3-dihydroxybenzoate 2,3-dioxygenase
EC 1.13.11.29 stizolobate synthase
EC 1.13.11.30 stizolobinate synthase
EC 1.13.11.31 arachidonate 12-lipoxygenase
EC 1.13.11.32 now EC 1.13.12.16
EC 1.13.11.33 arachidonate 15-lipoxygenase
EC 1.13.11.34 arachidonate 5-lipoxygenase
EC 1.13.11.35 pyrogallol 1,2-oxygenase
EC 1.13.11.36 chloridazon-catechol dioxygenase
EC 1.13.11.37 hydroxyquinol 1,2-dioxygenase
EC 1.13.11.38 1-hydroxy-2-naphthoate 1,2-dioxygenase
EC 1.13.11.39 biphenyl-2,3-diol 1,2-dioxygenase
EC 1.13.11.40 arachidonate 8-lipoxygenase
EC 1.13.11.41 2,4'-dihydroxyacetophenone dioxygenase
EC 1.13.11.42 deleted
EC 1.13.11.43 lignostilbene αβ-dioxygenase
EC 1.13.11.44 deleted covered by EC 1.13.11.60 and EC 5.4.4.6
EC 1.13.11.45 linoleate 11-lipoxygenase
EC 1.13.11.46 4-hydroxymandelate synthase
EC 1.13.11.47 3-hydroxy-4-oxoquinoline 2,4-dioxygenase
EC 1.13.11.48 3-hydroxy-2-methyl-quinolin-4-one 2,4-dioxygenase
EC 1.13.11.49 chlorite O2-lyase
EC 1.13.11.50 acetylacetone-cleaving enzyme
EC 1.13.11.51 9-cis-epoxycarotenoid dioxygenase
EC 1.13.11.52 indoleamine 2,3-dioxygenase
EC 1.13.11.53 acireductone dioxygenase (Ni2+-requiring)
EC 1.13.11.54 acireductone dioxygenase [iron(II)-requiring]
EC 1.13.11.55 sulfur oxygenase/reductase
EC 1.13.11.56 1,2-dihydroxynaphthalene dioxygenase
EC 1.13.11.57 gallate dioxygenase
EC 1.13.11.58 linoleate 9S-lipoxygenase
EC 1.13.11.59 torulene dioxygenase
EC 1.13.11.60 linoleate 8R-lipoxygenase
EC 1.13.11.61 linolenate 9R-lipoxygenase
EC 1.13.11.62 linoleate 10R-lipoxygenase
EC 1.13.11.63 β-carotene 15,15'-dioxygenase
EC 1.13.11.64 5-nitrosalicylate dioxygenase
EC 1.13.11.65 carotenoid isomerooxygenase
EC 1.13.11.66 hydroquinone 1,2-dioxygenase
EC 1.13.11.67 8'-apo-β-carotenoid 14',13'-cleaving dioxygenase
EC 1.13.11.68 9-cis-β-carotene 9',10'-cleaving dioxygenase
EC 1.13.11.69 carlactone synthase
EC 1.13.11.70 all-trans-10'-apo-β-carotenal 13,14-cleaving dioxygenase
EC 1.13.11.71 carotenoid-9',10'-cleaving dioxygenase
EC 1.13.11.72 2-hydroxyethylphosphonate dioxygenase
EC 1.13.11.73 methylphosphonate synthase
EC 1.13.11.74 2-aminophenol 1,6-dioxygenase
EC 1.13.11.75 all-trans-8'-apo-β-carotenal 15,15'-oxygenase
EC 1.13.11.76 2-amino-5-chlorophenol 1,6-dioxygenase
EC 1.13.11.77 oleate 10S-lipoxygenase
EC 1.13.11.78 2-amino-1-hydroxyethylphosphonate dioxygenase (glycine-forming)
EC 1.13.11.79 5,6-dimethylbenzimidazole synthase
EC 1.13.11.80 (3,5-dihydroxyphenyl)acetyl-CoA 1,2-dioxygenase
EC 1.13.11.81 7,8-dihydroneopterin oxygenase
EC 1.13.11.82 8'-apo-carotenoid 13,14-cleaving dioxygenase
EC 1.13.11.83 4-hydroxy-3-prenylphenylpyruvate oxygenase
EC 1.13.11.84 crocetin dialdehyde synthase
EC 1.13.11.85 exo-cleaving rubber dioxygenase
EC 1.13.11.86 5-aminosalicylate 1,2-dioxygenase

EC 1.13.12 With incorporation of one atom of oxygen (internal monooxygenases or internal mixed function oxidases)

EC 1.13.12.1 arginine 2-monooxygenase
EC 1.13.12.2 lysine 2-monooxygenase
EC 1.13.12.3 tryptophan 2-monooxygenase
EC 1.13.12.4 lactate 2-monooxygenase
EC 1.13.12.5 Renilla-type luciferase
EC 1.13.12.6 Cypridina-luciferin 2-monooxygenase
EC 1.13.12.7 firefly luciferase
EC 1.13.12.8 Watasenia-luciferin 2-monooxygenase
EC 1.13.12.9 phenylalanine 2-monooxygenase
EC 1.13.12.10 covered by EC 1.14.13.59
EC 1.13.12.11 now EC 1.14.13.8
EC 1.13.12.12
now EC 1.13.11.67
EC 1.13.12.13 Oplophorus-luciferin 2-monooxygenase
EC 1.13.12.14 now EC 1.14.13.122
EC 1.13.12.15 3,4-dihydroxyphenylalanine oxidative deaminase
EC 1.13.12.16 nitronate monooxygenase
EC 1.13.12.17 dichloroarcyriaflavin A synthase
EC 1.13.12.18 dinoflagellate luciferase
EC 1.13.12.19 2-oxuglutarate dioxygenase (ethylene-forming)
EC 1.13.12.20 noranthrone monooxygenase
EC 1.13.12.21 tetracenomycin-F1 monooxygenase
EC 1.13.12.22 deoxynogalonate monooxygenase
EC 1.13.12.23 4-hydroxy-3-prenylbenzoate synthase
EC 1.13.12.24 calcium-regulated photoprotein

EC 1.13.99 Miscellaneous

EC 1.13.99.1 inositol oxygenase
EC 1.13.99.2 now EC 1.14.12.10
EC 1.13.99.3 tryptophan 2'-dioxygenase
EC 1.13.99.4 now EC 1.14.12.9
EC 1.13.99.5 now EC 1.13.11.47

EC 1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen

EC 1.14.1.1 now EC 1.14.14.1
EC 1.14.1.2 now EC 1.14.13.9
EC 1.14.1.3 deleted, covered by EC 1.14.99.7, EC 5.4.99.7
EC 1.14.1.4 now EC 1.14.99.2
EC 1.14.1.5 now EC 1.14.13.5
EC 1.14.1.6 now EC 1.14.15.4
EC 1.14.1.7 now EC 1.14.99.9
EC 1.14.1.8 now EC 1.14.99.10
EC 1.14.1.9 deleted
EC 1.14.1.10 now EC 1.14.99.11
EC 1.14.1.11 deleted

EC 1.14.2 With ascorbate as one donor

EC 1.14.2.1 now EC 1.14.17.1
EC 1.14.2.2 now EC 1.13.11.27

EC 1.14.3 With reduced pteridine as one donor

EC 1.14.3.1 now EC 1.14.16.1

EC 1.14.11 With 2-oxoglutarate as one donor, and incorporation of one atom each of oxygen into both donors

EC 1.14.11.1 γ-butyrobetaine dioxygenase
EC 1.14.11.2 procollagen-proline 4-dioxygenase
EC 1.14.11.3 pyrimidine-deoxynucleoside 2'-dioxygenase
EC 1.14.11.4 procollagen-lysine 5-dioxygenase
EC 1.14.11.5 deleted, included in EC 1.14.11.6
EC 1.14.11.6 thymine dioxygenase
EC 1.14.11.7 procollagen-proline 3-dioxygenase
EC 1.14.11.8 trimethyllysine dioxygenase
EC 1.14.11.9 flavanone 3-dioxygenase
EC 1.14.11.10 pyrimidine-deoxynucleoside 1'-dioxygenase
EC 1.14.11.11 hyoscyamine (6S)-dioxygenase
EC 1.14.11.12 gibberellin-44 dioxygenase
EC 1.14.11.13 gibberellin 2β-dioxygenase
EC 1.14.11.14 now EC 1.14.20.13
EC 1.14.11.15 gibberellin 3β-dioxygenase
EC 1.14.11.16 peptide-aspartate β-dioxygenase
EC 1.14.11.17 taurine dioxygenase
EC 1.14.11.18 phytanoyl-CoA dioxygenase
EC 1.14.11.19 now EC 1.14.20.4
EC 1.14.11.20 deacetoxyvindoline 4-hydroxylase
EC 1.14.11.21 clavaminate synthase
EC 1.14.11.22 now EC 1.14.20.5
EC 1.14.11.23 now EC 1.14.20.6
EC 1.14.11.24 2'-deoxymugineic-acid 2'-dioxygenase
EC 1.14.11.25 mugineic-acid 3-dioxygenase
EC 1.14.11.26 deacetoxycephalosporin-C hydroxylase
EC 1.14.11.27 [histone-H3]-lysine-36 demethylase
EC 1.14.11.28 proline 3-hydroxylase
EC 1.14.11.29 hypoxia-inducible factor-proline dioxygenase
EC 1.14.11.30 hypoxia-inducible factor-asparagine dioxygenase
EC 1.14.11.31 thebaine 6-O-demethylase
EC 1.14.11.32 codeine 3-O-demethylase
EC 1.14.11.33 DNA oxidative demethylase
EC 1.14.11.34 now EC 1.14.20.7
EC 1.14.11.35 1-deoxypentalenic acid 11β-hydroxylase
EC 1.14.11.36 pentalenolactone F synthase
EC 1.14.11.37 kanamycin B dioxygenase
EC 1.14.11.38 verruculogen synthase
EC 1.14.11.39 L-asparagine hydroxylase
EC 1.14.11.40 enduracididine β-hydroxylase
EC 1.14.11.41 L-arginine hydroxylase
EC 1.14.11.42 tRNAPhe (7-(3-amino-3-carboxypropyl)wyosine37-C2)-hydroxylase
EC 1.14.11.43 (S)-dichlorprop dioxygenase (2-oxoglutarate)
EC 1.14.11.44 (R)-dichlorprop dioxygenase (2-oxoglutarate)
EC 1.14.11.45 L-isoleucine 4-hydroxylase
EC 1.14.11.46 2-aminoethylphosphonate dioxygenase
EC 1.14.11.47 50S ribosomal protein L16 3-hydroxylase
EC 1.14.11.48 xanthine dioxygenase
EC 1.14.11.49 uridine-5'-phosphate dioxygenase
EC 1.14.11.50 now EC 1.14.20.8
EC 1.14.11.51 DNA N6-methyladenine demethylase
EC 1.14.11.52 validamycin A dioxygenase
EC 1.14.11.53 mRNA N6-methyladenine demethylase
EC 1.14.11.54 mRNA N1-methyladenine demethylase
EC 1.14.11.55 ectoine hydroxylase
EC 1.14.11.56 L-proline cis-4-hydroxylase
EC 1.14.11.57 L-proline trans-4-hydroxylase
EC 1.14.11.58 ornithine lipid ester-linked acyl 2-hydroxylase
EC 1.14.11.59 2,4-dihydroxy-1,4-benzoxazin-3-one-glucoside dioxygenase

EC 1.14.12 With NADH or NADPH as one donor, and incorporation of two atoms of oxygen into one donor

EC 1.14.12.1 anthranilate 1,2-dioxygenase (deaminating, decarboxylating)
EC 1.14.12.2 now EC 1.14.13.35
EC 1.14.12.3 benzene 1,2-dioxygenase
EC 1.14.12.4 now EC 1.14.13.242
EC 1.14.12.5 now EC 1.14.13.241
EC 1.14.12.6 now EC 1.14.13.66
EC 1.14.12.7 phthalate 4,5-dioxygenase
EC 1.14.12.8 4-sulfobenzoate 3,4-dioxygenase
EC 1.14.12.9 4-chlorophenylacetate 3,4-dioxygenase
EC 1.14.12.10 benzoate 1,2-dioxygenase
EC 1.14.12.11 toluene dioxygenase
EC 1.14.12.12 naphthalene 1,2-dioxygenase
EC 1.14.12.13 2-halobenzoate 1,2-dioxygenase
EC 1.14.12.14 2-aminobenzenesulfonate 2,3-dioxygenase
EC 1.14.12.15 terephthalate 1,2-dioxygenase
EC 1.14.12.16 2-hydroxyquinoline 5,6-dioxygenase
EC 1.14.12.17 nitric oxide dioxygenase
EC 1.14.12.18 biphenyl 2,3-dioxygenase
EC 1.14.12.19 3-phenylpropionate dioxygenase
EC 1.14.12.20 now EC 1.14.15.17
EC 1.14.12.21 now EC 1.14.13.208
EC 1.14.12.22 carbazole 1,9a-dioxygenase
EC 1.14.12.23 nitroarene dioxygenase
EC 1.14.12.24 2,4-dinitrotoluene dioxygenase
EC 1.14.12.25 p-cumate 2,3-dioxygenase

EC 1.14.13 With NADH or NADPH as one donor, and incorporation of one atom of oxygen

EC 1.14.13.1 salicylate 1-monooxygenase
EC 1.14.13.2 4-hydroxybenzoate 3-monooxygenase
EC 1.14.13.3 now EC 1.14.14.9
EC 1.14.13.4 melilotate 3-monooxygenase
EC 1.14.13.5 imidazoleacetate 4-monooxygenase
EC 1.14.13.6 orcinol 2-monooxygenase
EC 1.14.13.7 phenol 2-monooxygenase (NADPH)
EC 1.14.13.8 flavin-containing monooxygenase
EC 1.14.13.9 kynurenine 3-monooxygenase
EC 1.14.13.10 2,6-dihydroxypyridine 3-monooxygenase
EC 1.14.13.11 now EC 1.14.14.91
EC 1.14.13.12 now EC 1.14.14.92
EC 1.14.13.13 now EC 1.14.15.18
EC 1.14.13.14 trans-cinnamate 2-monooxygenase
EC 1.14.13.15 now EC 1.14.15.15
EC 1.14.13.16 cyclopentanone monooxygenase
EC 1.14.13.17 now EC 1.14.14.23
EC 1.14.13.18 4-hydroxyphenylacetate 1-monooxygenase
EC 1.14.13.19 taxifolin 8-monooxygenase
EC 1.14.13.20 2,4-dichlorophenol 6-monooxygenase
EC 1.14.13.21 now EC 1.14.14.82
EC 1.14.13.22 cyclohexanone monooxygenase
EC 1.14.13.23 3-hydroxybenzoate 4-monooxygenase
EC 1.14.13.24 3-hydroxybenzoate 6-monooxygenase
EC 1.14.13.25 methane monooxygenase (soluble)
EC 1.14.13.26 now EC 1.14.18.4
EC 1.14.13.27 4-aminobenzoate 1-monooxygenase
EC 1.14.13.28 now EC 1.14.14.93
EC 1.14.13.29 4-nitrophenol 2-monooxygenase
EC 1.14.13.30 now EC 1.14.14.94
EC 1.14.13.31 2-nitrophenol 2-monooxygenase
EC 1.14.13.32 albendazole monooxygenase (flavin-containing)
EC 1.14.13.33 4-hydroxybenzoate 3-monooxygenase [NAD(P)H]
EC 1.14.13.34 leukotriene-E4 20-monooxygenase
EC 1.14.13.35 anthranilate 3-monooxygenase (deaminating)
EC 1.14.13.36 now EC 1.14.14.96
EC 1.14.13.37 now EC 1.14.14.97
EC 1.14.13.38 anhydrotetracycline 6-monooxygenase
EC 1.14.13.39 nitric-oxide synthase (NADPH)
EC 1.14.13.40 anthraniloyl-CoA monooxygenase
EC 1.14.13.41 now EC 1.14.14.36
EC 1.14.13.42 deleted covered by EC 1.14.13.68
EC 1.14.13.43 questin monooxygenase
EC 1.14.13.44 2-hydroxybiphenyl 3-monooxygenase
EC 1.14.13.45 now EC 1.14.18.2
EC 1.14.13.46 (–)-menthol monooxygenase
EC 1.14.13.47 now EC 1.14.14.99
EC 1.14.13.48 now EC 1.14.14.51
EC 1.14.13.49 now EC 1.14.14.52
EC 1.14.13.50 pentachlorophenol monooxygenase
EC 1.14.13.51 6-oxocineole dehydrogenase
EC 1.14.13.52 now EC 1.14.14.88
EC 1.14.13.53 now EC 1.14.14.89
EC 1.14.13.54 ketosteroid monooxygenase
EC 1.14.13.55 now EC 1.14.14.98
EC 1.14.13.56 now EC 1.14.14.100
EC 1.14.13.57 now EC 1.14.14.101
EC 1.14.13.58 benzoyl-CoA 3-monooxygenase
EC 1.14.13.59 L-lysine 6-monooxygenase (NADPH)
EC 1.14.13.60 now EC 1.14.13.100
EC 1.14.13.61 2-hydroxyquinoline 8-monooxygenase
EC 1.14.13.62 4-hydroxyquinoline 3-monooxygenase
EC 1.14.13.63 3-hydroxyphenylacetate 6-hydroxylase
EC 1.14.13.64 4-hydroxybenzoate 1-hydroxylase
EC 1.14.13.65 deleted
EC 1.14.13.66 2-hydroxycyclohexanone 2-monooxygenase
EC 1.14.13.67 now EC 1.14.14.55
EC 1.14.13.68 now EC 1.14.14.37
EC 1.14.13.69 alkene monooxygenase
EC 1.14.13.70 now EC 1.14.14.154
EC 1.14.13.71 now EC 1.14.14.102
EC 1.14.13.72 now EC 1.14.18.9
EC 1.14.13.73 now EC 1.14.14.103
EC 1.14.13.74 now EC 1.14.14.85
EC 1.14.13.75 now EC 1.14.14.104
EC 1.14.13.76 now EC 1.14.14.105
EC 1.14.13.77 now EC 1.14.14.106
EC 1.14.13.78 now EC 1.14.14.86
EC 1.14.13.79 now EC 1.14.14.107
EC 1.14.13.80 now EC 1.14.14.53
EC 1.14.13.81 magnesium-protoporphyrin IX monomethyl ester (oxidative) cyclase
EC 1.14.13.82 vanillate monooxygenase
EC 1.14.13.83 precorrin-3B synthase
EC 1.14.13.84 4-hydroxyacetophenone monooxygenase
EC 1.14.13.85 now EC 1.14.14.135
EC 1.14.13.86 deleted
EC 1.14.13.87 now EC 1.14.14.140
EC 1.14.13.88 now EC 1.14.14.81
EC 1.14.13.89 now EC 1.14.14.90
EC 1.14.13.90 now EC 1.14.15.21
EC 1.14.13.91 now EC 1.14.14.136
EC 1.14.13.92 phenylacetone monooxygenase
EC 1.14.13.93 now EC 1.14.14.137
EC 1.14.13.94 now EC 1.14.14.138
EC 1.14.13.95 now EC 1.14.18.8
EC 1.14.13.96 now EC 1.14.14.139
EC 1.14.13.97 now EC 1.14.14.57
EC 1.14.13.98 now EC 1.14.14.25
EC 1.14.13.99 now EC 1.14.14.26
EC 1.14.13.100 now EC 1.14.14.29
EC 1.14.13.101 senecionine N-oxygenase
EC 1.14.13.102 now EC 1.14.14.141
EC 1.14.13.103 now EC 1.14.14.142
EC 1.14.13.104 now EC 1.14.14.143
EC 1.14.13.105 monocyclic monoterpene ketone monooxygenase
EC 1.14.13.106 epi-isozizaene 5-monooxygenase
EC 1.14.13.107 limonene 1,2-monooxygenase
EC 1.14.13.108 now EC 1.14.14.144
EC 1.14.13.109 now EC 1.14.14.145
EC 1.14.13.110 now EC 1.14.14.146
EC 1.14.13.111 methanesulfonate monooxygenase (NADH)
EC 1.14.13.112 now EC 1.14.14.147
EC 1.14.13.113 FAD-dependent urate hydroxylase
EC 1.14.13.114 6-hydroxynicotinate 3-monooxygenase
EC 1.14.13.115 now EC 1.14.14.148
EC 1.14.13.116 geranylhydroquinone 3"-hydroxylase
EC 1.14.13.117 now EC 1.14.14.39
EC 1.14.13.118 now EC 1.14.14.38
EC 1.14.13.119 now EC 1.14.14.149
EC 1.14.13.120 now EC 1.14.14.150
EC 1.14.13.121 now EC 1.14.14.151
EC 1.14.13.122 chlorophyllide-a oxygenase
EC 1.14.13.123 now EC 1.14.14.95
EC 1.14.13.124 now EC 1.14.14.40
EC 1.14.13.125 now EC 1.14.14.156
EC 1.14.13.126 now EC 1.14.15.16
EC 1.14.13.127 3-(3-hydroxyphenyl)propanoate hydroxylase
EC 1.14.13.128 7-methylxanthine demethylase
EC 1.14.13.129 now EC 1.14.15.24
EC 1.14.13.130 pyrrole-2-carboxylate monooxygenase
EC 1.14.13.131 dimethyl-sulfide monooxygenase
EC 1.14.13.132 now EC 1.14.14.17
EC 1.14.13.133 now EC 1.14.15.32
EC 1.14.13.134 now EC 1.14.14.152
EC 1.14.13.135 1-hydroxy-2-naphthoate hydroxylase
EC 1.14.13.136 now EC 1.14.14.87
EC 1.14.13.137 now EC 1.14.14.153
EC 1.14.13.138 now EC 1.14.14.157
EC 1.14.13.139 now EC 1.14.14.109
EC 1.14.13.140 now EC 1.14.14.110
EC 1.14.13.141 now EC 1.14.15.29
EC 1.14.13.142 now EC 1.14.15.30
EC 1.14.13.143 now EC 1.14.14.76
EC 1.14.13.144 now EC 1.14.14.111
EC 1.14.13.145 now EC 1.14.14.112
EC 1.14.13.146 taxoid 14β-hydroxylase
EC 1.14.13.147 taxoid 7β-hydroxylase
EC 1.14.13.148 trimethylamine monooxygenase
EC 1.14.13.149 phenylacetyl-CoA 1,2-epoxidase
EC 1.14.13.150 now EC 1.14.14.113
EC 1.14.13.151 now EC 1.14.14.84
EC 1.14.13.152 now EC 1.14.14.83
EC 1.14.13.153 (+)-sabinene 3-hydroxylase
EC 1.14.13.154 erythromycin 12-hydroxylase
EC 1.14.13.155 α-pinene monooxygenase
EC 1.14.13.156 now EC 1.14.14.133
EC 1.14.13.157 now EC 1.14.14.56
EC 1.14.13.158 now EC 1.14.14.114
EC 1.14.13.159 now EC 1.14.14.24
EC 1.14.13.160 (2,2,3-trimethyl-5-oxocyclopent-3-enyl)acetyl-CoA 1,5-monooxygenase
EC 1.14.13.161 (+)-camphor 6-exo-hydroxylase
EC 1.14.13.162 now EC 1.14.14.108
EC 1.14.13.163 6-hydroxy-3-succinoylpyridine 3-monooxygenase
EC 1.14.13.164 now EC 1.13.11.65
EC 1.14.13.165 now EC 1.14.14.47
EC 1.14.13.166 4-nitrocatechol 4-monooxygenase
EC 1.14.13.167 4-nitrophenol 4-monooxygenase
EC 1.14.13.168 indole-3-pyruvate monooxygenase
EC 1.14.13.169 now EC 1.14.18.5
EC 1.14.13.170 pentalenolactone D synthase
EC 1.14.13.171 neopentalenolactone D synthase
EC 1.14.13.172 salicylate 5-hydroxylase
EC 1.14.13.173 now EC 1.14.14.115
EC 1.14.13.174 now EC 1.14.14.116
EC 1.14.13.175 now EC 1.14.14.117
EC 1.14.13.176 now EC 1.14.14.118
EC 1.14.13.177 now EC 1.14.14.119
EC 1.14.13.178 methylxanthine N1-demethylase
EC 1.14.13.179 methylxanthine N3-demethylase
EC 1.14.13.180 aklavinone 12-hydroxylase
EC 1.14.13.181 13-deoxydaunorubicin hydroxylase
EC 1.14.13.182 2-heptyl-3-hydroxy-4(1H)-quinolone synthase
EC 1.14.13.183 now EC 1.14.14.120
EC 1.14.13.184 now EC 1.14.14.121
EC 1.14.13.185 now EC 1.14.15.33
EC 1.14.13.186 now EC 1.14.15.34
EC 1.14.13.187 L-evernosamine nitrososynthase
EC 1.14.13.188 now EC 1.14.15.35
EC 1.14.13.189 5-methyl-1-naphthoate 3-hydroxylase
EC 1.14.13.190 ferruginol synthase
EC 1.14.13.191 now EC 1.14.14.70
EC 1.14.13.192 now EC 1.14.14.122
EC 1.14.13.193 now EC 1.14.14.123
EC 1.14.13.194 now EC 1.14.14.78
EC 1.14.13.195 L-ornithine N5-monooxygenase (NADPH)
EC 1.14.13.196 L-ornithine N5-monooxygenase [NAD(P)H]
EC 1.14.13.197 now EC 1.14.14.124
EC 1.14.13.198 now EC 1.14.14.125
EC 1.14.13.199 now EC 1.14.14.79
EC 1.14.13.200 tetracenomycin A2 monooxygenase-dioxygenase
EC 1.14.13.201 now EC 1.14.14.126
EC 1.14.13.202 now EC 1.14.14.127
EC 1.14.13.203 now EC 1.14.14.128
EC 1.14.13.204 now EC 1.14.14.129
EC 1.14.13.205 now EC 1.14.14.80
EC 1.14.13.206 now EC 1.14.14.130
EC 1.14.13.207 now EC 1.14.14.31
EC 1.14.13.208 benzoyl-CoA 2,3-epoxidase
EC 1.14.13.209 salicyloyl-CoA 5-hydroxylase
EC 1.14.13.210 4-methyl-5-nitrocatechol 5-monooxygenase
EC 1.14.13.211 rifampicin monooxygenase
EC 1.14.13.212 1,3,7-trimethyluric acid 5-monooxygenase
EC 1.14.13.213 now EC 1.14.14.131
EC 1.14.13.214 now EC 1.14.14.132
EC 1.14.13.215 protoasukamycin 4-monooxygenase
EC 1.14.13.216 asperlicin C monooxygenase
EC 1.14.13.217 protodeoxyviolaceinate monooxygenase
EC 1.14.13.218 5-methylphenazine-1-carboxylate 1-monooxygenase
EC 1.14.13.219 resorcinol 4-hydroxylase (NADPH)
EC 1.14.13.220 resorcinol 4-hydroxylase (NADH)
EC 1.14.13.221 now EC 1.14.15.28
EC 1.14.13.222 aurachin C monooxygenase/isomerase
EC 1.14.13.223 3-hydroxy-4-methylanthranilyl-[aryl-carrier protein] 5-monooxygenase
EC 1.14.13.224 violacein synthase
EC 1.14.13.225 F-actin monooxygenase
EC 1.14.13.226 acetone monooxygenase (methylacetate-forming)
EC 1.14.13.227 propane 2-monooxygenase
EC 1.14.13.228 jasmonic acid 12-hydroxylase
EC 1.14.13.229 tert-butyl alcohol monooxygenase
EC 1.14.13.230 butane monooxygenase (soluble)
EC 1.14.13.231 tetracycline 11a-monooxygenase
EC 1.14.13.232 6-methylpretetramide 4-monooxygenase
EC 1.14.13.233 4-hydroxy-6-methylpretetramide 12a-monooxygenase
EC 1.14.13.234 5a,11a-dehydrotetracycline 5-monooxygenase
EC 1.14.13.235 indole-3-acetate monooxygenase
EC 1.14.13.236 toluene 4-monooxygenase
EC 1.14.13.237 aliphatic glucosinolate S-oxygenase
EC 1.14.13.238 dimethylamine monooxygenase
EC 1.14.13.239 carnitine monooxygenase
EC 1.14.13.240 2-polyprenylphenol 6-hydroxylase
EC 1.14.13.241 5-pyridoxate monooxygenase
EC 1.14.13.242 3-hydroxy-2-methylpyridine-5-carboxylate monooxygenase

EC 1.14.14 With reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen

EC 1.14.14.1 unspecific monooxygenase
EC 1.14.14.2 deleted, included in EC 1.14.14.1
EC 1.14.14.3 alkanal monooxygenase (FMN-linked)
EC 1.14.14.4 deleted, identical to EC 1.14.15.7
EC 1.14.14.5 alkanesulfonate monooxygenase
EC 1.14.14.6 now EC 1.14.13.111
EC 1.14.14.7 now EC 1.14.19.9
EC 1.14.14.8 anthranilate 3-monooxygenase (FAD)
EC 1.14.14.9 4-hydroxyphenylacetate 3-monooxygenase
EC 1.14.14.10 nitrilotriacetate monooxygenase
EC 1.14.14.11 styrene monooxygenase
EC 1.14.14.12 3-hydroxy-9,10-seconandrost-1,3,5(10)-triene-9,17-dione monooxygenase
EC 1.14.14.13 4-(L-γ-glutamylamino)butanoyl-[BtrI acyl-carrier protein] monooxygenase
EC 1.14.14.14 aromatase
EC 1.14.14.15 (3S)-3-amino-3-(3-chloro-4-hydroxyphenyl)propanoyl-[peptidyl-carrier protein SgcC2] monooxygenase
EC 1.14.14.16 steroid 21-monooxygenase
EC 1.14.14.17 squalene monooxygenase
EC 1.14.14.18 heme oxygenase (biliverdin-producing)
EC 1.14.14.19 steroid 17α-monooxygenase
EC 1.14.14.20 phenol 2-monooxygenase (FADH2)
EC 1.14.14.21 dibenzothiophene monooxygenase
EC 1.14.14.22 dibenzothiophene sulfone monooxygenase
EC 1.14.14.23 cholesterol 7α-monooxygenase
EC 1.14.14.24 vitamin D 25-hydroxylase
EC 1.14.14.25 cholesterol 24-hydroxylase
EC 1.14.14.26 24-hydroxycholesterol 7α-hydroxylase
EC 1.14.14.27 resorcinol 4-hydroxylase (FADH2)
EC 1.14.14.28 long-chain alkane monooxygenase
EC 1.14.14.29 25/26-hydroxycholesterol 7α-hydroxylase
EC 1.14.14.30 isobutylamine N-monooxygenase
EC 1.14.14.31 ipsdienol synthase
EC 1.14.14.32 17α-hydroxyprogesterone deacetylase
EC 1.14.14.33 ethylenediaminetetraacetate monooxygenase
EC 1.14.14.34 methanesulfonate monooxygenase (FMNH2)
EC 1.14.14.35 dimethylsulfone monooxygenase
EC 1.14.14.36 tyrosine N-monooxygenase
EC 1.14.14.37 4-hydroxyphenylacetaldehyde oxime monooxygenase
EC 1.14.14.38 valine N-monooxygenase
EC 1.14.14.39 isoleucine N-monooxygenase
EC 1.14.14.40 phenylalanine N-monooxygenase
EC 1.14.14.41 (E)-2-methylbutanal oxime monooxygenase
EC 1.14.14.42 homomethionine N-monooxygenase
EC 1.14.14.43 (methylthio)alkanaldoxime N-monooxygenase
EC 1.14.14.44 phenylacetaldehyde oxime monooxygenase
EC 1.14.14.45 aromatic aldoxime N-monooxygenase
EC 1.14.14.46 pimeloyl-[acyl-carrier protein] synthase
EC 1.14.14.47 nitric-oxide synthase (flavodoxin)
EC 1.14.14.48 jasmonoyl-L-amino acid 12-hydroxylase
EC 1.14.14.49 12-hydroxyjasmonoyl-L-amino acid 12-hydroxylase
EC 1.14.14.50 tabersonine 3-oxygenase
EC 1.14.14.51 (S)-limonene 6-monooxygenase
EC 1.14.14.52 (S)-limonene 7-monooxygenase
EC 1.14.14.53 (R)-limonene 6-monooxygenase
EC 1.14.14.54 phenylacetate 2-hydroxylase
EC 1.14.14.55 quinine 3-monooxygenase
EC 1.14.14.56 1,8-cineole 2-exo-monooxygenase
EC 1.14.14.57 taurochenodeoxycholate 6α-hydroxylase
EC 1.14.14.58 trimethyltridecatetraene synthase
EC 1.14.14.59 dimethylnonatriene synthase
EC 1.14.14.60 ferruginol monooxygenase
EC 1.14.14.61 carnosic acid synthase
EC 1.14.14.62 salviol synthase
EC 1.14.14.63 β-amyrin 16β-monooxygenase
EC 1.14.14.64 β-amyrin 6β-monooxygenase
EC 1.14.14.65 sugiol synthase
EC 1.14.14.66 marmesin synthase
EC 1.14.14.67 11-hydroxysugiol 20-monooxygenase
EC 1.14.14.68 syn-pimaradiene 3-monooxygenase
EC 1.14.14.69 ent-cassadiene hydroxylase
EC 1.14.14.70 ent-sandaracopimaradiene 3-hydroxylase
EC 1.14.14.71 cucurbitadienol 11-hydroxylase
EC 1.14.14.72 drimenol monooxygenase
EC 1.14.14.73 albendazole monooxygenase (sulfoxide-forming)
EC 1.14.14.74 albendazole monooxygenase (hydroxylating)
EC 1.14.14.75 fenbendazole monooxygenase (4'-hydroxylating)
EC 1.14.14.76 ent-isokaurene C2/C3-hydroxylase
EC 1.14.14.77 phenylacetonitrile α-monooxygenase
EC 1.14.14.78 phylloquinone ω-hydroxylase
EC 1.14.14.79 docosahexaenoic acid ω-hydroxylase
EC 1.14.14.80 long-chain fatty acid ω-monooxygenase
EC 1.14.14.81 flavanoid 3',5'-hydroxylase
EC 1.14.14.82 flavonoid 3'-monooxygenase
EC 1.14.14.83 geraniol 8-hydroxylase
EC 1.14.14.84 linalool 8-monooxygenase
EC 1.14.14.85 7-deoxyloganin 7-hydroxylase
EC 1.14.14.86 ent-kaurene monooxygenase
EC 1.14.14.87 2-hydroxyisoflavanone synthase
EC 1.14.14.88 isoflavone 3'-hydroxylase
EC 1.14.14.89 4'-methoxyisoflavone 2'-hydroxylase
EC 1.14.14.90 isoflavone 2'-hydroxylase
EC 1.14.14.91 trans-cinnamate 4-monooxygenase
EC 1.14.14.92 benzoate 4-monooxygenase
EC 1.14.14.93 3,9-dihydroxypterocarpan 6a-monooxygenase
EC 1.14.14.94 leukotriene-B4 20-monooxygenase
EC 1.14.14.95 germacrene A hydroxylase
EC 1.14.14.96 5-O-(4-coumaroyl)-D-quinate 3'-monooxygenase
EC 1.14.14.97 methyltetrahydroprotoberberine 14-monooxygenase
EC 1.14.14.98 protopine 6-monooxygenase
EC 1.14.14.99 (S)-limonene 3-monooxygenase
EC 1.14.14.100 dihydrosanguinarine 10-monooxygenase
EC 1.14.14.101 dihydrochelirubine 12-monooxygenase
EC 1.14.14.102 N-methylcoclaurine 3'-monooxygenase
EC 1.14.14.103 tabersonine 16-hydroxylase
EC 1.14.14.104 vinorine hydroxylase
EC 1.14.14.105 taxane 10β-hydroxylase
EC 1.14.14.106 taxane 13α-hydroxylase
EC 1.14.14.107 ent-kaurenoic acid monooxygenase
EC 1.14.14.108 2,5-diketocamphane 1,2-monooxygenase
EC 1.14.14.109 3-hydroxyindolin-2-one monooxygenase
EC 1.14.14.110 2-hydroxy-1,4-benzoxazin-3-one monooxygenase
EC 1.14.14.111 9β-pimara-7,15-diene oxidase
EC 1.14.14.112 ent-cassa-12,15-diene 11-hydroxylase
EC 1.14.14.113 α-humulene 10-hydroxylase
EC 1.14.14.114 amorpha-4,11-diene 12-monooxygenase
EC 1.14.14.115 11-oxo-β-amyrin 30-oxidase
EC 1.14.14.116 averantin hydroxylase
EC 1.14.14.117 aflatoxin B synthase
EC 1.14.14.118 tryprostatin B 6-hydroxylase
EC 1.14.14.119 fumitremorgin C monooxygenase
EC 1.14.14.120 dammarenediol 12-hydroxylase
EC 1.14.14.121 protopanaxadiol 6-hydroxylase
EC 1.14.14.122 oryzalexin E synthase
EC 1.14.14.123 oryzalexin D synthase
EC 1.14.14.124 dihydromonacolin L hydroxylase
EC 1.14.14.125 monacolin L hydroxylase
EC 1.14.14.126 β-amyrin 28-monooxygenase
EC 1.14.14.127 methyl farnesoate epoxidase
EC 1.14.14.128 farnesoate epoxidase
EC 1.14.14.129 long-chain acyl-CoA ω-monooxygenase
EC 1.14.14.130 laurate 7-monooxygenase
EC 1.14.14.131 bursehernin 5'-monooxygenase
EC 1.14.14.132 (–)-4'-demethyl-deoxypodophyllotoxin 4-hydroxylase
EC 1.14.14.133 1,8-cineole 2-endo-monooxygenase
EC 1.14.14.134 β-amyrin 24-hydroxylase
EC 1.14.14.135 glyceollin synthase
EC 1.14.14.136 deoxysarpagine hydroxylase
EC 1.14.14.137 (+)-abscisic acid 8'-hydroxylase
EC 1.14.14.138 lithocholate 6β-hydroxylase
EC 1.14.14.139 5β-cholestane-3α,7α-diol 12α-hydroxylase
EC 1.14.14.140 licodione synthase
EC 1.14.14.141 psoralen synthase
EC 1.14.14.142 8-dimethylallylnaringenin 2'-hydroxylase
EC 1.14.14.143 (+)-menthofuran synthase
EC 1.14.14.144 abieta-7,13-diene hydroxylase
EC 1.14.14.145 abieta-7,13-dien-18-ol hydroxylase
EC 1.14.14.146 geranylgeraniol 18-hydroxylase
EC 1.14.14.147 3-epi-6-deoxocathasterone 23-monooxygenase
EC 1.14.14.148 angelicin synthase
EC 1.14.14.149 5-epiaristolochene 1,3-dihydroxylase
EC 1.14.14.150 costunolide synthase
EC 1.14.14.151 premnaspirodiene oxygenase
EC 1.14.14.152 β-amyrin 11-oxidase
EC 1.14.14.153 indole-2-monooxygenase
EC 1.14.14.154 sterol 14α-demethylase
EC 1.14.14.155 3,6-diketocamphane 1,2-monooxygenase
EC 1.14.14.156 tryptophan N-monooxygenase
EC 1.14.14.157 indolin-2-one monooxygenase
EC 1.14.14.158 carotenoid ε hydroxylase

EC 1.14.15 With reduced iron-sulfur protein as one donor, and incorporation of one atom of oxygen

EC 1.14.15.1 camphor 5-monooxygenase
EC 1.14.15.2 now EC 1.14.13.162
EC 1.14.15.3 bacterial luciferase
EC 1.14.15.4 steroid 11β-monooxygenase
EC 1.14.15.5 corticosterone 18-monooxygenase
EC 1.14.15.6 cholesterol monooxygenase (side-chain-cleaving)
EC 1.14.15.7 choline monooxygenase
EC 1.14.15.8 steroid 15β-monooxygenase
EC 1.14.15.9 spheroidene monooxygenase
EC 1.14.15.10 (+)-camphor 6-endo-hydroxylase
EC 1.14.15.11 pentalenic acid synthase
EC 1.14.15.12 now EC 1.14.14.46
EC 1.14.15.13 pulcherriminic acid synthase
EC 1.14.15.14 methyl-branched lipid ω-hydroxylase
EC 1.14.15.15 cholestanetriol 26-monooxygenase
EC 1.14.15.16 vitamin D3 24-hydroxylase
EC 1.14.15.17 pheophorbide-a oxygenase
EC 1.14.15.18 calcidiol 1-monooxygenase
EC 1.14.15.19 C-19 steroid 1α-hydroxylase
EC 1.14.15.20 heme oxygenase (biliverdin-producing, ferredoxin)
EC 1.14.15.21 zeaxanthin epoxidase
EC 1.14.15.22 vitamin D 1,25-hydroxylase
EC 1.14.15.23 chloroacetanilide N-alkylformylase
EC 1.14.15.24 β-carotene 3-hydroxylase
EC 1.14.15.25 p-cymene methyl-monooxygenase
EC 1.14.15.26 toluene methyl-monooxygenase
EC 1.14.15.27 β-dihydromenaquinone-9 ω-hydroxylase
EC 1.14.15.28 cholest-4-en-3-one 26-monooxygenase [(25R)-3-oxocholest-4-en-26-oate forming]
EC 1.14.15.29 cholest-4-en-3-one 26-monooxygenase [(25S)-3-oxocholest-4-en-26-oate forming]
EC 1.14.15.30 3-ketosteroid 9α-monooxygenase
EC 1.14.15.31 2-hydroxy-5-methyl-1-naphthoate 7-hydroxylase
EC 1.14.15.32 pentalenene oxygenase
EC 1.14.15.33 pikromycin synthase
EC 1.14.15.34 20-oxo-5-O-mycaminosyltylactone 23-monooxygenase
EC 1.14.15.35 6-deoxyerythronolide B hydroxylase

EC 1.14.16 With reduced pteridine as one donor, and incorporation of one atom of oxygen

EC 1.14.16.1 phenylalanine 4-monooxygenase
EC 1.14.16.2 tyrosine 3-monooxygenase
EC 1.14.16.3 anthranilate 3-monooxygenase
EC 1.14.16.4 tryptophan 5-monooxygenase
EC 1.14.16.5 alkylglycerol monooxygenase
EC 1.14.16.6 mandelate 4-monooxygenaser
EC 1.14.16.7 phenylalanine 3-monooxygenase

EC 1.14.17 With reduced ascorbate as one donor, and incorporation of one atom of oxygen

EC 1.14.17.1 dopamine β-monooxygenase
EC 1.14.17.2 deleted, included in EC 1.14.18.1
EC 1.14.17.3 peptidylglycine monooxygenase
EC 1.14.17.4 aminocyclopropanecarboxylate oxidase

EC 1.14.18 With another compound as one donor, and incorporation of one atom of oxygen

EC 1.14.18.1 tyrosinase
EC 1.14.18.2 CMP-N-acetylneuraminate monooxygenase
EC 1.14.18.3 methane monooxygenase (particulate)
EC 1.14.18.4 phosphatidylcholine 12-monooxygenase
EC 1.14.18.5 sphingolipid C4-monooxygenase
EC 1.14.18.6 4-hydroxysphinganine ceramide fatty acyl 2-hydroxylase
EC 1.14.18.7 dihydroceramide fatty acyl 2-hydroxylase
EC 1.14.18.8 7α-hydroxycholest-4-en-3-one 12α-hydroxylase
EC 1.14.18.9 methylsterol monooxygenase

EC 1.14.19 With oxidation of a pair of donors resulting in the reduction of molecular oxygen to two molecules of water

EC 1.14.19.1 stearoyl-CoA 9-desaturase
EC 1.14.19.2 stearoyl-[acyl-carrier-protein] 9-desaturase
EC 1.14.19.3 acyl-CoA 6-desaturase
EC 1.14.19.4 acyl-lipid (11-3)-desaturase
EC 1.14.19.5 acyl-CoA 11-(Z)-desaturase
EC 1.14.19.6 acyl-CoA (9+3)-desaturase
EC 1.14.19.7 now EC 1.11.1.23
EC 1.14.19.8 pentalenolactone synthase
EC 1.14.19.9 tryptophan 7-halogenase
EC 1.14.19.10 icosanoyl-CoA 5-desaturase
EC 1.14.19.11 palmitoyl-[acyl-carrier-protein] 4-desaturase
EC 1.14.19.12 acyl-lipid ω-(9-4) desaturase
EC 1.14.19.13 acyl-CoA 15-desaturase
EC 1.14.19.14 linoleoyl-lipid Δ9 conjugase
EC 1.14.19.15 (11Z)-hexadec-11-enoyl-CoA conjugase
EC 1.14.19.16 linoleoyl-lipid Δ12 conjugase (11E,13Z-forming)
EC 1.14.19.17 sphingolipid 4-desaturase
EC 1.14.19.18 sphingolipid 8-(E)-desaturase
EC 1.14.19.19 sphingolipid 10-desaturase
EC 1.14.19.20 Δ7-sterol 5(6)-desaturase
EC 1.14.19.21 cholesterol 7-desaturase
EC 1.14.19.22 acyl-lipid ω-6 desaturase (cytochrome b5)
EC 1.14.19.23 acyl-lipid (n+3)-(Z)-desaturase (ferredoxin)
EC 1.14.19.24 acyl-CoA 11-(E)-desaturase
EC 1.14.19.25 acyl-lipid ω-3 desaturase (cytochrome b5)
EC 1.14.19.26 acyl-[acyl-carrier-protein] 6-desaturase
EC 1.14.19.27 sn-2 palmitoyl-lipid 9-desaturase
EC 1.14.19.28 sn-1 stearoyl-lipid 9-desaturase
EC 1.14.19.29 sphingolipid 8-(E/Z)-desaturase
EC 1.14.19.30 acyl-lipid (8-3)-desaturase
EC 1.14.19.31 acyl-lipid (7-3)-desaturase
EC 1.14.19.32 palmitoyl-CoA 14-(E/Z)-desaturase
EC 1.14.19.33 Δ12 acyl-lipid conjugase (11E,13E-forming)
EC 1.14.19.34 acyl-lipid (9+3)-(E)-desaturase
EC 1.14.19.35 sn-2 acyl-lipid ω-3 desaturase (ferredoxin)
EC 1.14.19.36 sn-1 acyl-lipid ω-3 desaturase (ferredoxin)
EC 1.14.19.37 acyl-CoA 5-desaturase
EC 1.14.19.38 acyl-lipid Δ6-acetylenase
EC 1.14.19.39 acyl-lipid Δ12-acetylenase
EC 1.14.19.40 hex-5-enoyl-[acyl-carrier protein] acetylenase
EC 1.14.19.41 sterol 22-desaturase
EC 1.14.19.42 palmitoyl-[glycerolipid] 7-desaturase
EC 1.14.19.43 palmitoyl-[glycerolipid] 3-(E)-desaturase
EC 1.14.19.44 acyl-CoA (8-3)-desaturase
EC 1.14.19.45 sn-1 oleoyl-lipid 12-desaturase
EC 1.14.19.46 sn-1 linoleoyl-lipid 6-desaturase
EC 1.14.19.47 acyl-lipid (9-3)-desaturase
EC 1.14.19.48 tert-amyl alcohol desaturase
EC 1.14.19.49 tetracycline 7-halogenase
EC 1.14.19.50 noroxomaritidine synthase
EC 1.14.19.51 (S)-corytuberine synthase
EC 1.14.19.52 camalexin synthase
EC 1.14.19.53 all-trans-retinol 3,4-desaturase
EC 1.14.19.54 1,2-dehydroreticuline synthase
EC 1.14.19.55 4-hydroxybenzoate brominase (decarboxylating)
EC 1.14.19.56 1H-pyrrole-2-carbonyl-[peptidyl-carrier protein] chlorinase
EC 1.14.19.57 1H-pyrrole-2-carbonyl-[peptidyl-carrier protein] brominase
EC 1.14.19.58 tryptophan 5-halogenase
EC 1.14.19.59 tryptophan 6-halogenase
EC 1.14.19.60 7-chloro-L-tryptophan 6-halogenase
EC 1.14.19.61 dihydrorhizobitoxine desaturase
EC 1.14.19.62 secologanin synthase
EC 1.14.19.63 pseudobaptigenin synthase
EC 1.14.19.64 (S)-stylopine synthase
EC 1.14.19.65 (S)-cheilanthifoline synthase
EC 1.14.19.66 berbamunine synthase
EC 1.14.19.67 salutaridine synthase
EC 1.14.19.68 (S)-canadine synthase
EC 1.14.19.69 biflaviolin synthase
EC 1.14.19.70 mycocyclosin synthase
EC 1.14.19.71 fumitremorgin C synthase
EC 1.14.19.72 (–)-pluviatolide synthase
EC 1.14.19.73 (S)-nandinine synthase
EC 1.14.19.74 (+)-piperitol/(+)-sesamin synthase

EC 1.14.20 With 2-oxoglutarate as one donor, and the other dehydrogenated

EC 1.14.20.1 deacetoxycephalosporin-C synthase
EC 1.14.20.2 now EC 1.14.11.59
EC 1.14.20.3 (5R)-carbapenem-3-carboxylate synthase
EC 1.14.20.4 anthocyanidin synthase
EC 1.14.20.5 flavone synthase I
EC 1.14.20.6 flavonol synthase
EC 1.14.20.7 2-oxoglutarate/L-arginine monooxygenase/decarboxylase (succinate-forming)
EC 1.14.20.8 (–)-deoxypodophyllotoxin synthase
EC 1.14.20.9 L-tyrosine isonitrile desaturase
EC 1.14.20.10 L-tyrosine isonitrile desaturase/decarboxylase
EC 1.14.20.11 3-[(Z)-2-isocyanoethenyl]-1H-indole synthase
EC 1.14.20.12 3-[(E)-2-isocyanoethenyl]-1H-indole synthase
EC 1.14.20.13 6β-hydroxyhyoscyamine epoxidase
EC 1.14.20.14 hapalindole-type alkaloid chlorinase
EC 1.14.20.15 L-threonyl-[L-threonyl-carrier protein] 4-chlorinase

EC 1.14.21 With NADH or NADPH as one donor, and the other dehydrogenated

EC 1.14.21.1 now EC 1.14.19.64
EC 1.14.21.2 now EC 1.14.19.65
EC 1.14.21.3 now EC 1.14.19.66
EC 1.14.21.4 now EC 1.14.19.67
EC 1.14.21.5 now EC 1.14.19.68
EC 1.14.21.6 now EC 1.14.19.20
EC 1.14.21.7 now EC 1.14.19.69
EC 1.14.21.8 now EC 1.14.19.63
EC 1.14.21.9 now EC 1.14.19.70
EC 1.14.21.10 now EC 1.14.19.71
EC 1.14.21.11 now EC 1.14.19.72
EC 1.14.21.12 now EC 1.14.19.73

EC 1.14.99 Miscellaneous

EC 1.14.99.1 prostaglandin-endoperoxide synthase
EC 1.14.99.2 kynurenine 7,8-hydroxylase
EC 1.14.99.3 now EC 1.14.14.18
EC 1.14.99.9 now EC 1.14.14.19
EC 1.14.99.4 progesterone monooxygenase
EC 1.14.99.5 now EC 1.14.19.1
EC 1.14.99.6 now EC 1.14.19.2
EC 1.14.99.7 now EC 1.14.13.132
EC 1.14.99.8 deleted, included in EC 1.14.14.1
EC 1.14.99.9 steroid 17α-monooxygenase
EC 1.14.99.10 now EC 1.14.14.16
EC 1.14.99.11 estradiol 6β-monooxygenase
EC 1.14.99.12 4-androstene-3,17-dione monooxygenase
EC 1.14.99.13 now EC 1.14.13.23
EC 1.14.99.14 progesterone 11α-monooxygenase
EC 1.14.99.15 4-methoxybenzoate monooxygenase (O-demethylating)
EC 1.14.99.16 now EC 1.14.13.72
EC 1.14.99.17 now EC 1.14.16.5
EC 1.14.99.18 deleted
EC 1.14.99.19 plasmanylethanolamine desaturase
EC 1.14.99.20 phylloquinone monooxygenase (2,3-epoxidizing)
EC 1.14.99.21 Latia-luciferin monooxygenase (demethylating)
EC 1.14.99.22 ecdysone 20-monooxygenase
EC 1.14.99.23 3-hydroxybenzoate 2-monooxygenase
EC 1.14.99.24 steroid 9α-monooxygenase
EC 1.14.99.25 now EC 1.14.19.3
EC 1.14.99.26 2-hydroxypyridine 5-monooxygenase
EC 1.14.99.27 now EC 1.17.3.4
EC 1.14.99.28 now EC 1.14.13.151
EC 1.14.99.29 deoxyhypusine monooxygenase
EC 1.14.99.30 now EC 1.3.5.6
EC 1.14.99.31 now EC 1.14.19.24
EC 1.14.99.32 now EC 1.14.19.5
EC 1.14.99.33 now EC 1.14.19.39
EC 1.14.99.34 monoprenyl isoflavone epoxidase
EC 1.14.99.35 thiophene-2-carbonyl-CoA monooxygenase
EC 1.14.99.36 now EC 1.13.11.63
EC 1.14.99.37 taxadiene 5α-hydroxylase
EC 1.14.99.38 cholesterol 25-hydroxylase
EC 1.14.99.39 ammonia monooxygenase
EC 1.14.99.40 now EC 1.13.11.79
EC 1.14.99.41 now EC 1.13.11.75
EC 1.14.99.42 now EC 1.13.11.84
EC 1.14.99.43 now EC 1.14.14.134
EC 1.14.99.44 diapolycopene oxygenase
EC 1.14.99.45 now EC 1.14.14.158
EC 1.14.99.46 pyrimidine oxygenase
EC 1.14.99.47 (+)-larreatricin hydroxylase
EC 1.14.99.48 heme oxygenase (staphylobilin-producing)
EC 1.14.99.49 now EC 1.14.15.31
EC 1.14.99.50 γ-glutamyl hercynylcysteine S-oxide synthase
EC 1.14.99.51 hercynylcysteine S-oxide synthase
EC 1.14.99.52 L-cysteinyl-L-histidinylsulfoxide synthase
EC 1.14.99.53 lytic chitin monoxygenase
EC 1.14.99.54 lytic cellulose monooxygenase (C1-hydroxylating)
EC 1.14.99.55 lytic starch monooxygenase
EC 1.14.99.56 lytic cellulose monooxygenase (C4-dehydrogenating)
EC 1.14.99.57 heme oxygenase (mycobilin-producing)
EC 1.14.99.58 heme oxygenase (biliverdin-IX-β and δ-forming)
EC 1.14.99.59 tryptamine 4-monooxygenase
EC 1.14.99.60 3-demethoxyubiquinol 3-hydroxylase
EC 1.14.99.61 cyclooctat-9-en-7-ol 5-monooxygenase
EC 1.14.99.62 cyclooctatin synthase
EC 1.14.99.63 β-carotene 4-ketolase
EC 1.14.99.64 zeaxanthin 4-ketolase

EC 1.15 Acting on superoxide as acceptor

EC 1.15.1.1 superoxide dismutase
EC 1.15.1.2 superoxide reductase

EC 1.16 Oxidizing metal ions

EC 1.16.1 With NAD+ or NADP+ as acceptor

EC 1.16.1.1 mercury(II) reductase
EC 1.16.1.2 diferric-transferrin reductase
EC 1.16.1.3 aquacobalamin reductase
EC 1.16.1.4 cob(II)alamin reductase
EC 1.16.1.5 aquacobalamin reductase (NADPH)
EC 1.16.1.6 cyanocobalamin reductase (cyanide-eliminating)
EC 1.16.1.7 ferric-chelate reductase (NADH)
EC 1.16.1.8 [methionine synthase] reductase
EC 1.16.1.9 ferric-chelate reductase (NADPH)
EC 1.16.1.10 ferric-chelate reductase [NAD(P)H]

EC 1.16.3 With oxygen as acceptor

EC 1.16.3.1 ferroxidase
EC 1.16.3.2 bacterial non-heme ferritin
EC 1.16.3.3 manganese oxidase

EC 1.16.5 With quinone or similar compound as acceptor

EC 1.16.5.1 ascorbate ferrireductase (transmembrane)

EC 1.16.8 With flavin as acceptor

EC 1.16.8.1 cob(II)yrinic acid a,c-diamide reductase

EC 1.16.9 With a copper protein as acceptor
EC 1.16.9.1 iron:rusticyanin reductase

EC 1.16.98 With other, known, physiological acceptor

EC 1.16.98.1 now EC 1.16.9.1

EC 1.17 Acting on CH or CH2 groups

EC 1.17.1 With NAD+ or NADP+ as acceptor

EC 1.17.1.1 CDP-4-dehydro-6-deoxyglucose reductase
EC 1.17.1.2 now EC 1.17.7.4
EC 1.17.1.3 leucoanthocyanidin reductase
EC 1.17.1.4 now EC 1.2.1.91
EC 1.17.1.5 nicotinate dehydrogenase
EC 1.17.1.6 now EC 1.17.99.5
EC 1.17.1.7 3-oxo-5,6-dehydrosuberyl-CoA semialdehyde dehydrogenase
EC 1.17.1.8 4-hydroxy-tetrahydrodipicolinate reductase
EC 1.17.1.9 formate dehydrogenase
EC 1.17.1.10 formate dehydrogenase (NADP+)
EC 1.17.1.11 formate dehydrogenase (NAD+, ferredoxin)

EC 1.17.2 With a cytochrome as acceptor

EC 1.17.2.1 nicotinate dehydrogenase (cytochrome)
EC 1.17.2.2 lupanine 17-hydroxylase (cytochrome c)
EC 1.17.2.3 formate dehydrogenase (cytochrome-c-553)

EC 1.17.3 With oxygen as acceptor

EC 1.17.3.1 pteridine oxidase
EC 1.17.3.2 xanthine oxidase
EC 1.17.3.3 6-hydroxynicotinate dehydrogenase
EC 1.17.3.4 juglone 3-hydroxylase

EC 1.17.4 With a disulfide as acceptor

EC 1.17.4.1 ribonucleoside-diphosphate reductase
EC 1.17.4.2 ribonucleoside-triphosphate reductase (thioredoxin)
EC 1.17.4.3 now EC 1.17.7.1
EC 1.17.4.4 vitamin-K-epoxide reductase (warfarin-sensitive)
EC 1.17.4.5 vitamin-K-epoxide reductase (warfarin-insensitive)

EC 1.17.5 With a quinone or similar compound as acceptor

EC 1.17.5.1 phenylacetyl-CoA dehydrogenase
EC 1.17.5.2 caffeine dehydrogenase
EC 1.17.5.3 formate dehydrogenase-N

EC 1.17.7 With an iron-sulfur protein as acceptor

EC 1.17.7.1 (E)-4-hydroxy-3-methylbut-2-enyl-diphosphate synthase (ferredoxin)
EC 1.17.7.2 7-hydroxymethyl chlorophyll a reductase
EC 1.17.7.3 (E)-4-hydroxy-3-methylbut-2-enyl-diphosphate synthase (flavodoxin)
EC 1.17.7.4 4-hydroxy-3-methylbut-2-en-1-yl diphosphate reductase

EC 1.17.8 With a flavin as acceptor

EC 1.17.8.1 hydroxysqualene dehydroxylase

EC 1.17.9 With a copper protein as acceptor

EC 1.17.9.1 4-methylphenol dehydrogenase (hydroxylating)

EC 1.17.98 With other, known, physiological acceptors

EC 1.17.98.1 deleted
EC 1.17.98.2 bacteriochlorophyllide c C-71-hydroxylase
EC 1.17.98.3 formate dehydrogenase (coenzyme F420)

EC 1.17.99 With unknown physiological acceptors

EC 1.17.99.1 now EC 1.17.9.1
EC 1.17.99.2 ethylbenzene hydroxylase
EC 1.17.99.3 3α,7α,12α-trihydroxy-5β-cholestanoyl-CoA 24-hydroxylase
EC 1.17.99.4 uracil/thymine dehydrogenase
EC 1.17.99.5 now EC 1.17.98.1
EC 1.17.99.6 epoxyqueuosine reductase
EC 1.17.99.7 formate dehydrogenase (acceptor)

EC 1.18 Acting on iron-sulfur proteins as donors

EC 1.18.1 With NAD+ or NADP+ as acceptor

EC 1.18.1.1 rubredoxin—NAD+ reductase
EC 1.18.1.2 ferredoxin—NADP+ reductase
EC 1.18.1.3 ferredoxin—NAD+ reductase
EC 1.18.1.4 rubredoxin—NAD(P)+ reductase
EC 1.18.1.5 putidaredoxin—NAD+ reductase
EC 1.18.1.6 adrenodoxin-NADP+ reductase
EC 1.18.1.7 ferredoxin—NAD(P)+ reductase (naphthalene dioxygenase ferredoxin-specific)
EC 1.18.1.8 fnow EC 7.2.1.2

EC 1.18.2 With dinitrogen as acceptor (now EC 1.18.6)

EC 1.18.2.1 now EC 1.18.6.1

EC 1.18.3 With H+ as acceptor

EC 1.18.3.1 now EC 1.18.99.1

EC 1.18.6 With dinitrogen as acceptor

EC 1.18.6.1 nitrogenase
EC 1.18.6.2 vanadium-dependent nitrogenase

EC 1.18.96 With other, known, physiological acceptors

EC 1.18.96.1 now EC 1.15.1.2

EC 1.18.99 With H+ as acceptors

EC 1.18.99.1 now EC 1.12.7.2

EC 1.19 Acting on reduced flavodoxin as donor

EC 1.19.1 With NAD+ or NADP+ as acceptor
EC 1.19.1.1 flavodoxin—NADP+ reductase
EC 1.19.1 With NAD+ or NADP+ as acceptor

EC 1.19.1.1 flavodoxin—NADP+ reductase

EC 1.19.6 With dinitrogen as acceptor

EC 1.19.6.1 nitrogenase (flavodoxin)

EC 1.20 Acting on phosphorus or arsenic in donors

EC 1.20.1 With NAD+ or NADP+ as acceptor

EC 1.20.1.1 phosphonate dehydrogenase

EC 1.20.2 With a cytochrome as acceptor

EC 1.20.2.1 arsenate reductase (cytochrome c)

EC 1.20.4 Acting on phosphorus or arsenic in donors, with disulfide as acceptor

EC 1.20.4.1 arsenate reductase (glutaredoxin)
EC 1.20.4.2 methylarsonate reductase
EC 1.20.4.3 mycoredoxin
EC 1.20.4.4 arsenate reductase (thioredoxin)

EC 1.20.9 With a copper protein as acceptor

EC 1.20.9.1 arsenate reductase (azurin)

EC 1.20.98 With other, known physiological acceptors

EC 1.20.98.1 now EC 1.20.9.1

EC 1.20.99 With unknown physiological acceptors

EC 1.20.99.1 arsenate reductase (donor)

EC 1.21 Acting on X-H and Y-H to form an X-Y bond

EC 1.21.1 With NAD+ or NADP+ as acceptor

EC 1.21.1.1 iodotyrosine deiodinase
EC 1.21.1.2 2,4-dichlorobenzoyl-CoA reductase
EC 1.21.3 With oxygen as acceptor

EC 1.21.3.1 isopenicillin-N synthase
EC 1.21.3.2 columbamine oxidase
EC 1.21.3.3 reticuline oxidase
EC 1.21.3.4 sulochrin oxidase [(+)-bisdechlorogeodin-forming]
EC 1.21.3.5 sulochrin oxidase [(–)-bisdechlorogeodin-forming]
EC 1.21.3.6 aureusidin synthase
EC 1.21.3.7 tetrahydrocannabinolic acid synthase
EC 1.21.3.8 cannabidiolic acid synthase
EC 1.21.3.9 now EC 1.21.98.2

EC 1.21.4 With a disulfide as acceptor

EC 1.21.4.1 D-proline reductase (dithiol)
EC 1.21.4.2 glycine reductase
EC 1.21.4.3 sarcosine reductase
EC 1.21.4.4 betaine reductase


EC 1.21.98 With other, known, physiological acceptors

EC 1.21.98.1 cyclic dehypoxanthinyl futalosine synthase
EC 1.21.98.2 dichlorochromopyrrolate synthase
EC 1.21.98.3 anaerobic magnesium-protoporphyrin IX monomethyl ester cyclase
EC 1.21.98.4 PqqA peptide cyclase

EC 1.21.99 With unknown physiological acceptors

EC 1.21.99.1 β-cyclopiazonate dehydrogenase
EC 1.21.99.2 now EC 1.21.98.1
EC 1.21.99.3 thyroxine 5-deiodinase
EC 1.21.99.4 thyroxine 5'-deiodinase
EC 1.21.99.5 tetrachloroethene reductive dehalogenase

EC 1.22 Acting on halogen in donors

EC 1.22.1 With NAD+ or NADP+ as acceptor

EC 1.22.1.1 now EC 1.21.1.1

EC 1.23 Reducing C-O-C group as acceptor

EC 1.23.1 With NADH or NADPH as donor

EC 1.23.1.1 (+)-pinoresinol reductase
EC 1.23.1.2 (+)-lariciresinol reductase
EC 1.23.1.3 (–)-pinoresinol reductase
EC 1.23.1.4 (–)-lariciresinol reductase

EC 1.23.5 With a quinone or related compound as acceptor

EC 1.23.5.1 violaxanthin de-epoxidase

EC 1.97 Other oxidoreductases

EC 1.97.1.1 chlorate reductase
EC 1.97.1.2 pyrogallol hydroxyltransferase
EC 1.97.1.3 now EC 1.12.98.4
EC 1.97.1.4 [formate-C-acetyltransferase]-activating enzyme
EC 1.97.1.5 now EC 1.20.4.1
EC 1.97.1.6 now EC 1.20.99.1
EC 1.97.1.7 now EC 1.20.4.2
EC 1.97.1.8 now EC 1.21.99.5
EC 1.97.1.9 selenate reductase
EC 1.97.1.10 now EC 1.21.99.4
EC 1.97.1.11 now EC 1.21.99.3
EC 1.97.1.12 photosystem I

EC 1.98 Enzymes using H2 as reductant

EC 1.98.1.1 now EC 1.18.99.1

EC 1.99 Other enzymes using O2 as oxidant

EC 1.99.1 Hydroxylases (now EC 1.14)

EC 1.99.1.1 deleted, now EC 1.14.14.1
EC 1.99.1.2 deleted, now EC 1.14.16.1
EC 1.99.1.3 deleted
EC 1.99.1.4 deleted
EC 1.99.1.5 deleted, now EC 1.14.13.9
EC 1.99.1.6 deleted
EC 1.99.1.7 deleted, now EC 1.14.15.4
EC 1.99.1.8 deleted
EC 1.99.1.9 deleted, now EC 1.14.99.9
EC 1.99.1.10 deleted
EC 1.99.1.11 deleted, now EC 1.14.99.10
EC 1.99.1.12 deleted
EC 1.99.1.13 deleted, covered by EC 1.14.99.7 and EC 5.4.99.7
EC 1.99.1.14 deleted, now EC 1.13.11.27

EC 1.99.2 Oxygenases (now EC 1.13)

EC 1.99.2.1 deleted, now EC 1.13.11.12
EC 1.99.2.2 deleted, now EC 1.13.11.1
EC 1.99.2.3 deleted, now EC 1.13.11.3
EC 1.99.2.4 deleted, now EC 1.13.11.4
EC 1.99.2.5 deleted, now EC 1.13.11.5
EC 1.99.2.6 deleted, now EC 1.13.99.1


Return to Enzymes Home Page.