Flavin Containing Proteins
from the
ExPASy-Enzyme Database
EC Number
Flavoprotein
Cofactor
1.1.1.158
UDP-N-acetylmuramate dehydrogenase
FAD
1.1.2.3
L-lactate dehydrogenase (cytochrome)
FMN
1.1.2.4
D-lactate dehydrogenase (cytochrome)
FAD
1.1.3.3
Malate oxidase
FAD
1.1.3.4
Glucose oxidase
FAD
1.1.3.6
Cholesterol oxidase
FAD
1.1.3.8
L-gulonolactone oxidase
FAD
1.1.3.12
Pyridoxine 4-oxidase
FAD
1.1.3.13
Alcohol oxidase
FAD
1.1.3.15
(S)-2-hydroxy-acid oxidase
FMN
1.1.3.17
Choline oxidase
FAD
1.1.3.19
4-hydroxymandelate oxidase
FAD
1.1.3.21
Glycerol-3-phosphate oxidase
FAD
1.1.3.22
Xanthine oxidase
FAD
1.1.3.23
Thiamin oxidase
FAD
1.1.3.24
L-galactonolactone oxidase
FAD
1.1.3.25
Cellobiose oxidase
Flavoprotein
1.1.3.31
Methanol oxidase
FAD
1.1.3.37
D-arabinono-1,4-lactone oxidase
FAD
1.1.3.38
Vanillyl-alcohol oxidase
FAD
1.1.5.1
Cellobiose dehydrogenase (quinone)
FAD
1.1.99.3
Gluconate 2-dehydrogenase
FAD
1.1.99.4
Dehydrogluconate dehydrogenase
Flavoprotein
1.1.99.5
Glycerol-3-phosphate dehydrogenase
Flavin
1.1.99.6
D-2-hydroxy-acid dehydrogenase
FAD
1.1.99.9
Pyridoxine 5-dehydrogenase
FAD
1.1.99.10
Glucose dehydrogenase (acceptor)
FAD
1.1.99.13
Glucoside 3-dehydrogenase
FAD
1.1.99.16
Malate dehydrogenase (acceptor)
FAD
1.1.99.21
D-sorbitol dehydrogenase
FAD
1.1.99.27
(R)-pantolactone dehydrogenase (flavin)
FMN
1.2.1.36
Retinal dehydrogenase
FAD
1.2.1.58
Phenylglyoxylate dehydrogenase (acylating)
FAD
1.2.2.4
Carbon monoxide oxygenase (cytochrome b-561)
FAD
1.2.3.3
Pyruvate oxidase
FAD
1.2.3.4
Oxalate oxidase
Flavoprotein
1.2.3.6
Pyruvate oxidase (CoA-acetylating)
FAD
1.2.3.10
Carbon-monoxide oxidase
Flavoprotein
1.3.1.14
Orotate reductase (NADH)
FMN
1.3.1.14
Orotate reductase (NADH)
FAD
1.3.1.15
Orotate reductase (NADPH)
Flavoprotein
1.3.1.31
2-enoate reductase
FAD
1.3.1.52
2-methyl-branched-chain-enoyl-CoA reductase
FAD
1.3.3.1
Dihydroorotate oxidase
FMN
1.3.3.1
Dihydroorotate oxidase
FAD
1.3.3.4
Protoporphyrinogen oxidase
FAD
1.3.3.6
Acyl-CoA oxidase
FAD
1.3.3.7
Dihydrouracil oxidase
FMN
1.3.5.1
Succinate dehydrogenase (ubiquinone)
FAD
1.3.99.1
Succinate dehydrogenase
FAD
1.3.99.2
Butyryl-CoA dehydrogenase
FAD
1.3.99.3
Acyl-CoA dehydrogenase
FAD
1.3.99.7
Glutaryl-CoA dehydrogenase
FAD
1.3.99.9
Beta-cyclopiazonate dehydrogenase
FAD
1.3.99.10
Isovaleryl-CoA dehydrogenase
FAD
1.3.99.12
2-methylacyl-CoA dehydrogenase
FAD
1.3.99.13
Long-chain acyl-CoA dehydrogenase
FAD
1.4.1.13
Glutamate synthase (NADPH)
FMN
1.4.1.13
Glutamate synthase (NADPH)
FAD
1.4.1.14
Glutamate synthase (NADH)
FMN
1.4.3.1
D-aspartate oxidase
FAD
1.4.3.2
L-amino acid oxidase
FAD
1.4.3.3
D-amino acid oxidase
FAD
1.4.3.4
Amine oxidase (flavin-containing)
FAD
1.4.3.5
Pyridoxamine-phosphate oxidase
FMN
1.4.3.10
Putrescine oxidase
FAD
1.4.3.11
L-glutamate oxidase
FAD
1.4.3.12
Cyclohexylamine oxidase
FAD
1.4.3.14
L-lysine oxidase
FAD
1.4.3.15
D-glutamate(D-aspartate) oxidase
FAD
1.4.3.16
L-aspartate oxidase
FAD
1.4.7.1
Glutamate synthase (ferredoxin)
Flavoprotein
1.4.99.1
D-amino acid dehydrogenase
FAD
1.5.1.13
Nicotinate dehydrogenase
Flavoprotein
1.5.1.20
Methylenetetrahydrofolate reductase (NADPH)
FAD
1.5.3.1
Sarcosine oxidase
FAD
1.5.3.2
N-methyl-L-amino-acid oxidase
Flavoprotein
1.5.3.5
(S)-6-hydroxynicotine oxidase
FAD
1.5.3.6
(R)-6-hydroxynicotine oxidase
FAD
1.5.3.9
Reticuline oxidase
FAD
1.5.3.10
Dimethylglycine oxidase
FAD
1.5.3.11
Polyamine oxidase
FAD
1.5.5.1
Electron-transferring-flavoprotein dehydrogenase
FAD
1.5.99.1
Sarcosine dehydrogenase
FMN
1.5.99.2
Dimethylglycine dehydrogenase
FAD
1.5.99.4
Nicotine dehydrogenase
FMN
1.5.99.6
Spermidine dehydrogenase
FAD
1.5.99.7
Trimethylamine dehydrogenase
FMN
1.5.99.8
Proline dehydrogenase
FAD
1.5.99.10
Dimethylamine dehydrogenase
FMN
1.6.1.1
NAD(P)(+) transhydrogenase (B-specific)
FAD
1.6.2.2
Cytochrome-b5 reductase
FAD
1.6.2.4
NADPH-ferrihemoprotein reductase
FMN
1.6.2.4
NADPH-ferrihemoprotein reductase
FAD
1.6.2.5
NADPH-cytochrome c2 reductase
FAD
1.6.4.2
Glutathione reductase (NADPH)
FAD
1.6.4.5
Thioredoxin reductase (NADPH)
FAD
1.6.4.6
CoA-glutathione reductase (NADPH)
Flavoprotein
1.6.4.8
Trypanothione reductase
FAD
1.6.5.3
NADH dehydrogenase (ubiquinone)
FAD
1.6.6.1
Nitrate reductase (NADH)
FMN
1.6.6.1
Nitrate reductase (NADH)
FAD
1.6.6.2
Assimilatory nitrate reductase
FMN
1.6.6.2
Nitrate reductase (NAD(P)H)
FAD
1.6.6.3
Nitrate reductase (NADPH)
FAD
1.6.6.4
Nitrite reductase (NAD(P)H)
FAD
1.6.99.1
NADPH diaphorase
FMN
1.6.99.1
NADPH dehydrogenase
FAD
1.6.99.2
NAD(P)H dehydrogenase (quinone)
FAD
1.6.99.3
NADH dehydrogenase
Flavoprotein
1.6.99.6
NADPH dehydrogenase (quinone)
Flavoprotein
1.6.99.8
Aquacobalamin reductase
Flavoprotein
1.6.99.9
Cob(II)alamin reductase
Flavoprotein
1.6.99.11
Aquacobalamin reductase (NADPH)
Flavoprotein
1.6.99.12
Cyanocobalamin reductase (NADPH, cyanide-eliminating)
Flavoprotein
1.7.3.5
3-aci-nitropropanoate oxidase
FMN
1.7.99.1
Hydroxylamine reductase
Flavoprotein
1.7.99.3
Nitrite reductase
FAD
1.7.99.5
5,10-methylenetetrahydrofolate reductase (FADH)
FAD
1.8.1.2
Sulfite reductase (NADPH)
FMN
1.8.1.2
Sulfite reductase (NADPH)
FAD
1.8.1.4
Dihydrolipoamide dehydrogenase
FAD
1.8.3.3
Glutathione oxidase
FAD
1.8.99.2
Adenylylsulfate reductase
FAD
1.10.3.4
O-aminophenol oxidase
Flavoprotein
1.11.1.1
NADH peroxidase
FAD
1.12.1.2
Hydrogen dehydrogenase
Flavin
1.13.11.17
Indole 2,3-dioxygenase
Flavoprotein
1.13.11.32
2-nitropropane dioxygenase
FMN
1.13.12.1
Arginine 2-monooxygenase
Flavoprotein
1.13.12.2
Lysine 2-monooxygenase
FAD
1.13.12.4
Lactate 2-monooxygenase
FMN
1.13.12.10
L-lysine 6-monooxygenase
FAD
1.13.12.11
Methylphenyltetrahydropyridine N-monooxygenase
FAD
1.14.12.3
Benzene 1,2-dioxygenase
FAD
1.14.12.4
3-hydroxy-2-methylpyridinecarboxylate dioxygenase
FAD
1.14.12.5
5-pyridoxate dioxygenase
Flavoprotein
1.14.13.1
Salicylate 1-monooxygenase
FAD
1.14.13.2
4-hydroxybenzoate 3-monooxygenase
FAD
1.14.13.3
4-hydroxyphenylacetate 3-monooxygenase
FAD
1.14.13.4
Melilotate 3-monooxygenase
FAD
1.14.13.5
Imidazoleacetate 4-monooxygenase
FAD
1.14.13.6
Orcinol 2-monooxygenase
FAD
1.14.13.7
Phenol 2-monooxygenase
FAD
1.14.13.8
Dimethylaniline monooxygenase (N-oxide forming)
FAD
1.14.13.9
Kynurenine 3-monooxygenase
FAD
1.14.13.10
2,6-dihydroxypyridine 3-monooxygenase
Flavoprotein
1.14.13.18
4-hydroxyphenylacetate 1-monooxygenase
FAD
1.14.13.19
Taxifolin 8-monooxygenase
Flavoprotein
1.14.13.20
2,4-dichlorophenol 6-monooxygenase
FAD
1.14.13.22
Cyclohexanone monooxygenase
FAD
1.14.13.23
3-hydroxybenzoate 4-monooxygenase
FAD
1.14.13.24
3-hydroxybenzoate 6-monooxygenase
FAD
1.14.13.27
4-aminobenzoate 1-monooxygenase
FAD
1.14.13.29
4-nitrophenol 2-monooxygenase
FAD
1.14.13.32
Albendazole monooxygenase
FAD
1.14.13.33
4-hydroxybenzoate 3-monooxygenase (NAD(P)H)
FAD
1.14.13.40
Anthraniloyl-CoA monooxygenase
FAD
1.14.13.54
Ketosteroid monooxygenase
FAD
1.14.13.58
Benzoyl-CoA 3-monooxygenase
FMN
1.14.13.58
Benzoyl-CoA 3-monooxygenase
FAD
1.14.13.59
L-lysine 6-monooxygenase (NADPH)
FAD
1.14.13.63
3-hydroxyphenylacetate 6-hydroxylase
FAD
1.14.13.64
4-hydroxybenzoate 1-hydroxylase
FAD
1.14.99.7
Squalene monooxygenase
FAD
1.14.99.15
Taxifolin 8-monooxygenase
Flavoprotein
1.14.99.21
Latia-luciferin monooxygenase (demethylating)
Flavoprotein
1.14.99.24
Steroid 9-alpha-monooxygenase
FMN
1.17.99.1
4-cresol dehydrogenase (hydroxylating)
FAD
1.18.1.2
Ferredoxin-NADP(+) reductase
FAD
2.1.1.135
[Methionine synthase]-cobalamin methyltransferase (cob(II)alamin reducing)
Flavoprotein
2.5.1.9
Riboflavin synthase
Flavoprotein
4.1.2.10
Mandelonitrile lyase
Flavoprotein
4.1.99.3
Deoxyribodipyrimidine photolyase
Flavin