methemoglobin reductase

(redirected from Cytochrome-b(5) reductase)

met·he·mo·glo·bin re·duc·tase

a flavoenzyme catalyzing the reduction of methemoglobin to hemoglobin in the red blood cell.

methemoglobin reductase

An enzyme found in significant amounts in erythrocytes that catalyzes the reduction of methemoglobin in conjunction with the coenzyme nicotine adenine dinucleotide phosphate and other enzymes.
See also: methemoglobin