| 1.1.1.1 | Alcohol dehydrogenase | 
| 1.1.1.3 | Homoserine dehydrogenase | 
| 1.1.1.8 | Glycerol-3-phosphate dehydrogenase | 
| 1.1.1.9 | D-Xylulose reductase | 
| 1.1.1.10 | L-Xylulose reductase | 
| 1.1.1.14 | L-Iditol dehydrogenase | 
| 1.1.1.19 | Glucuronate reductase | 
| 1.1.1.21 | Aldehyde reductase | 
| 1.1.1.22 | UDPglucose dehydrogenase | 
| 1.1.1.23 | Histidinol dehydrogenase | 
| 1.1.1.25 | Shikimate dehydrogenase | 
| 1.1.1.27 | Lactate dehydrogenase | 
| 1.1.1.29 | Glycerate dehydrogenase | 
| 1.1.1.30 | 3-Hydroxybutyrate dehydrogenase | 
| 1.1.1.31 | 3-Hydroxyisobutyrate dehydrogenase | 
| 1.1.1.32 | Mevaldate reductase | 
| 1.1.1.34 | Hydroxymethylglutaryl-CoA reductase (NADPH) | 
| 1.1.1.35 | 3-Hydroxyacyl-CoA dehydrogenase | 
| 1.1.1.37 | Malate dehydrogenase | 
| 1.1.1.39 | Malate dehydrogenase (decarboxylating) | 
| 1.1.1.41 | Isocitrate dehydrogenase (NAD+) | 
| 1.1.1.44 | Phosphogluconate dehydrogenase (decarboxylating) | 
| 1.1.1.45 | L-Gulonate dehydrogenase | 
| 1.1.1.49 | Glucose-6-phosphate dehydrogenase | 
| 1.1.1.56 | Ribitol dehydrogenase | 
| 1.1.1.79 | Glyoxylate reductase (NADP+) | 
| 1.1.1.81 | Hydroxypyruvate reductase | 
| 1.1.1.82 | Malate dehydrogenase (NADP+) | 
| 1.1.1.85 | 3-Isopropylmalate dehydrogenase | 
| 1.1.1.86 | Ketol-acid reductoisomerase | 
| 1.1.1.95 | Phosphoglycerate dehydrogenase | 
| 1.1.1.100 | 3-Oxoacyl-[acyl-carrier-protein] reductase | 
| 1.1.1.102 | 3-Dehydrosphinganine reductase | 
| 1.1.1.105 | Retinol dehydrogenase | 
| 1.1.1.130 | 3-Dehydro-L-gulonate 2-dehydrogenase | 
| 1.1.1.157 | 3-Hydroxybutyryl-CoA dehydrogenase | 
| 1.1.1.158 | UDP-N-acetylmuramate dehydrogenase | 
| 1.1.1.169 | 2-Dehydropantoate 2-reductase | 
| 1.1.1.204 | Xanthine dehydrogenase | 
| 1.1.1.205 | IMP-dehydrogenase | 
| 1.1.3.8 | L-Gulonolactone oxidase | 
| 1.1.3.22 | Xanthine oxidase | 
| 1.1.99.1 | Choline dehydrogenase | 
| 1.1.99.5 | Glycerol-3-phosphate dehydrogenase | 
| 1.2.1.3 | Aldehyde dehydrogenase (NAD+) | 
| 1.2.1.7 | Benzaldehyde dehydrogenase (NADP+) | 
| 1.2.1.8 | Betaine-aldehyde dehydrogenase | 
| 1.2.1.11 | Aspartate-semialdehyde dehydrogenase | 
| 1.2.1.12 | Glyceraldehyde-3-phosphate dehydrogenase | 
| 1.2.1.13 | Glyceraldehyde-3-phosphate dehydrogenase | 
| 1.2.1.16 | Succinate-semialdehyde dehydrogenase (NAD(P)+) | 
| 1.2.1.18 | Malonate semialdehyde dehydrogenase (acetylating) | 
| 1.2.1.21 | Glycolaldehyde dehydrogenase | 
| 1.2.1.23 | 2-Oxoaldehyde dehydrogenase (NAD+) | 
| 1.2.1.24 | Succinate-semialdehyde dehydrogenase | 
| 1.2.1.25 | 2-Oxoisovalerate dehydrogenase (acylating) | 
| 1.2.1.27 | Methylmalonate-semialdehyde dehydrogenase (acylating) | 
| 1.2.1.31 | L-Aminoadipate-semialdehyde dehydrogenase | 
| 1.2.1.32 | Aminomuconate-semialdehyde dehydrogenase | 
| 1.2.1.36 | Retinal dehydrogenase | 
| 1.2.1.41 | Glutamate-5-semialdehyde dehydrogenase | 
| 1.2.1.52 | Oxoglutarate dehydrogenase | 
| 1.2.3.5 | Glyoxylate oxidase | 
| 1.2.3.7 | Indole-3-acetaldehyde oxidase | 
| 1.2.4.1 | Pyruvate dehydrogenase (lipoamide) | 
| 1.2.4.2 | Oxoglutarate dehydrogenase (lipoamide) | 
| 1.2.7.1 | Pyruvate synthase | 
| 1.2.7.2 | 2-Oxobutyrate synthase | 
| 1.3.1.1 | Dihydrouracil dehydrogenase (NAD+) | 
| 1.3.1.2 | Dihydropyrimidine dehydrogenase (NADP+) | 
| 1.3.1.8 | Acyl-CoA dehydrogenase (NADP+) | 
| 1.3.1.9 | Enoyl-[acyl-carrier-protein] reductase (NADH) | 
| 1.3.1.10 | Enoyl-[acyl-carrier-protein] reductase (NADPH, B-specific) | 
| 1.3.1.13 | Prephenate dehydrogenase (NADP+) | 
| 1.3.1.14 | Orotate reductase (NADH) | 
| 1.3.1.26 | Dihydrodipicolinate reductase | 
| 1.3.1.35 | Phosphatidylcholine desaturase | 
| 1.3.3.3 | Coproporphyrinogen oxidase | 
| 1.3.3.4 | Protoporphyrinogen oxidase | 
| 1.3.5.1 | Succinate dehydrogenase (ubiquinone) | 
| 1.3.99.1 | Succinate dehydrogenase | 
| 1.3.99.2 | Butyryl-CoA dehydrogenase | 
| 1.3.99.3 | Acyl-CoA dehydrogenase | 
| 1.3.99.7 | Glutaryl-CoA dehydrogenase | 
| 1.3.99.10 | Isovaleryl-CoA dehydrogenase | 
| 1.4.1.1 | Alanine dehydrogenase | 
| 1.4.1.2 | Glutamate dehydrogenase | 
| 1.4.1.7 | Serine dehydrogenase | 
| 1.4.1.8 | Valine dehydrogenase (NADP+) | 
| 1.4.1.9 | Leucine dehydrogenase | 
| 1.4.1.10 | Glycine dehydrogenase | 
| 1.4.1.14 | Glutamate synthase (NADH) | 
| 1.4.1.19 | Tryptophan dehydrogenase | 
| 1.4.3.1 | d-Aspartate oxidase | 
| 1.4.3.2 | L-Amino-acid oxidase | 
| 1.4.3.4 | Amine oxidase (flavin-containing) | 
| 1.4.3.8 | Ethanolamine oxidase | 
| 1.4.4.2 | Glycine dehydrogenase (decarboxylating) | 
| 1.5.1.2 | Pyrroline-5-carboxylate reductase | 
| 1.5.1.3 | Dihydrofolate reductase | 
| 1.5.1.5 | Methylenetetrahydrofolate reductase (NADP+) | 
| 1.5.1.6 | Formyltetrahydrofolate dehydrogenase | 
| 1.5.1.7 | Saccharopine dehydrogenase (NAD+, L-lysine-forming) | 
| 1.5.1.8 | Saccharopine dehydrogenase (NADP+, L-lysine-forming) | 
| 1.5.1.9 | Saccharopine dehydrogenase (NAD+, L-glutamate-forming) | 
| 1.5.1.10 | Saccharopine dehydrogenase (NADP+, L-glutamate-forming) | 
| 1.5.1.12 | 1-Pyrroline-5-carboxylate dehydrogenase | 
| 1.5.3.1 | Sarcosine oxidase | 
| 1.5.99.1 | Sarcosine dehydrogenase | 
| 1.5.99.2 | Dimethylglycine dehydrogenase | 
| 1.5.99.8 | Proline dehydrogenase | 
| 1.6.4.1 | Cystine reductase (NADH) | 
| 1.6.5.3 | NADH dehydrogenase (ubiquinone) | 
| 1.6.6.1 | Nitrate reductase (NADH) | 
| 1.6.6.2 | Nitrate reductase [NAD(P)H] | 
| 1.6.6.3 | Nitrate reductase (NADPH) | 
| 1.6.6.4 | Nitrite reductase [NAD(P)H] | 
| 1.6.6.8 | GMP reductase | 
| 1.7.3.3 | Urate oxidase | 
| 1.7.7.1 | Ferredoxin—nitrate reductase | 
| 1.7.99.4 | Nitrate reductase | 
| 1.8.1.3 | Hypotaurine dehydrogenase | 
| 1.8.1.4 | Dihydrolipoamide dehydrogenase | 
| 1.8.2.1 | Sulfite dehydrogenase | 
| 1.8.3.1 | Sulfite oxidase | 
| 1.8.7.1 | Sulfite reductase (ferredoxin) | 
| 1.8.99.1 | Sulfite reductase | 
| 1.8.99.2 | Adenylsulphate reductase | 
| 1.9.3.1 | Cytochrome-c oxidase | 
| 1.10.2.1 | L-Ascorbate—cytochrome-b5 reductase | 
| 1.10.2.2 | Ubiquinol—cytochrome-c reductase | 
| 1.10.3.3 | L-Ascorbate oxidase | 
| 1.10.99.1 | Plastoquinol—plastocyanin reductase | 
| 1.13.11.1 | Catechol 1,2-dioxygenase | 
| 1.13.11.2 | Catechol 2,3-dioxygenase | 
| 1.13.11.5 | Homogentisate 1,2-dioxygenase | 
| 1.13.11.6 | 3-Hydroxyanthranilate 3,4-dioxygenase | 
| 1.13.11.11 | Tryptophan 2,3-dioxygenase | 
| 1.13.11.20 | Cysteine dioxygenase | 
| 1.13.11.21 | β-Carotene 15,154-dioxygenase | 
| 1.13.11.27 | 4-Hydroxyphenylpyruvate dioxygenase | 
| 1.13.11.34 | Arachidonate 5-lipoxygenase | 
| 1.13.99.1 | myo-lnositol oxygenase | 
| 1.14.11.1 | g-Butyrobetaine dioxygenase | 
| 1.14.11.2 | Procollagen-proline dioxygenase | 
| 1.14.11.8 | Trimethyllysine dioxygenase | 
| 1.14.12.1 | Anthranilate 1,2-dioxygenase (deaminating, decarboxylating) | 
| 1.14.13.5 | Imidazoleacetate 4-monooxygenase | 
| 1.14.13.9 | Kynurenine 3-monooxygenase | 
| 1.14.13.11 | trans-Cinnamate 4-monooxygenase | 
| 1.14.13.12 | Benzoate 4-monooxygenase | 
| 1.14.13.39 | Nitric oxide synthase | 
| 1.14.16.1 | Phenylalanine 4-monooxygenase | 
| 1.14.16.2 | Tyrosine 3-monooxygenase | 
| 1.14.16.4 | Tryptophan 5-monooxygenase | 
| 1.14.17.1 | Dopamine _-monooxygenase | 
| 1.14.18.1 | Monophenol monooxygenase | 
| 1 14.99.1 | Prostaglandin synthase | 
| 1 14.99.5 | Stearoyl-CoA desaturase | 
| 1.14.99.7 | Squalene monooxygenase | 
| 1.14.99.25 | Linoleoyl-CoA desaturase | 
| 1.17.4.1 | Ribonucleoside-diphosphate reductase | 
| 1.18.6.1 | Nitrogenase |