Methemoglobin reductase

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Ribbon diagram of erythrocytic methemoglobin reductase with FAD bound. From PDB 1UMK.
cytochrome b5 reductase 3
Identifiers
Symbol	CYB5R3
Alt. Symbols	DIA1
Entrez	1727
HUGO	2873
OMIM	250800
PDB	1UMK
RefSeq	NM_007326
UniProt	P00387
Other data
EC number	1.6.2.2
Locus	Chr. 22 q13.31-qter

Methemoglobin reductase (also known as cytochrome-b₅ reductase) is a NADH-dependent enzyme that converts methemoglobin to hemoglobin.

[edit] See also

• Methemoglobinemia
• Reductase

[edit] External links

• MeSH Methemoglobin+reductase

v • d • e NADH or NADPH oxidoreductases (EC 1.6) Methemoglobin reductase - NADPH oxidase (P91-PHOX) - NADH dehydrogenase

v • d • e Protein: flavoproteins Acetolactate synthase - Acyl CoA dehydrogenase - Apoptosis-inducing factor - Butyryl CoA dehydrogenase - Cryptochrome - Cytochrome b5 reductase - Dihydrolipoamide dehydrogenase - Flavodoxin - Methemoglobin reductase - Methylenetetrahydrofolate reductase - NADH dehydrogenase - NADPH oxidase - Nitrate reductase - Sarcosine oxidase - Thioredoxin reductase