The Enzyme Database

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Accepted name: flavin reductase (NADPH)
Reaction: reduced riboflavin + NADP+ = riboflavin + NADPH + H+
For diagram of riboflavin biosynthesis (late stages), click here
Other name(s): NADPH:flavin oxidoreductase; riboflavin mononucleotide (reduced nicotinamide adenine dinucleotide phosphate) reductase; flavin mononucleotide reductase; flavine mononucleotide reductase; FMN reductase (NADPH); NADPH-dependent FMN reductase; NADPH-flavin reductase; NADPH-FMN reductase; NADPH-specific FMN reductase; riboflavin mononucleotide reductase; riboflavine mononucleotide reductase; NADPH2 dehydrogenase (flavin); NADPH2:riboflavin oxidoreductase
Systematic name: reduced-riboflavin:NADP+ oxidoreductase
Comments: The enzyme reduces riboflavin, and, less efficiently, FMN and FAD. NADH is oxidized less efficiently than NADPH.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 56626-29-0
1.  Yubisui, T., Tamura, M. and Takeshita, M. Characterization of a second form of NADPH-flavin reductase purified from human erythrocytes. Biochem. Int. 15 (1987) 1–8. [PMID: 3453680]
2.  Cunningham, O., Gore, M.G. and Mantle, T.J. Initial-rate kinetics of the flavin reductase reaction catalysed by human biliverdin-IXβ reductase (BVR-B). Biochem. J. 345 (2000) 393–399. [PMID: 10620517]
[EC created 1982 as EC, transferred 2002 to EC, modified 2011]

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