methemoglobin reductase (NADPH) — met·he·mo·glo·bin re·duc·tase (NADPH) (met he″mo gloґbin re dukґtās) NADPH methemoglobin reductase … Medical dictionary
methemoglobin reductase (NADH) — met·he·mo·glo·bin re·duc·tase (NADH) (met he″mə gloґbin re dukґtās) cytochrome b5 reductase … Medical dictionary
NADPH methemoglobin reductase — NADPH met·he·mo·glo·bin re·duc·tase (met heґmo glo″bin re dukґtās) an enzyme of the erythrocytes that catalyzes the reduction of methemoglobin to hemoglobin via oxidation of NADH. The physiological significance of the enzyme is… … Medical dictionary
Methemoglobin — (British English: methaemoglobin) (pronounced met hemoglobin ) is a form of the oxygen carrying metalloprotein hemoglobin, in which the iron in the heme group is in the Fe3+ (ferric) state, not the Fe2+ (ferrous) of normal hemoglobin.… … Wikipedia
NADH methemoglobin reductase — NADH met·he·mo·glo·bin re·duc·tase (met heґmo glo bin re dukґtās) cytochrome b5 reductase … Medical dictionary
Methemoglobin — A particular type of hemoglobin that is altered so that it is useless for carrying oxygen and delivering it to tissues throughout the human body. Since hemoglobin is the key carrier of oxygen in the blood, its wholesale replacement by… … Medical dictionary
Reductase — A reductase is an enzyme which lowers the activation energy for a reduction reaction. [eMedicineDictionary|Reductase] [Dorlands|r 06|12697833] Examples* 5 alpha reductase * Dihydrofolate reductase * HMG CoA reductase * Methemoglobin reductase *… … Wikipedia
Cytochrome b5 reductase — Ribbon diagram of erythrocytic methemoglobin reductase with FAD bound. From PDB 1UMK … Wikipedia
Cytochrome P450 reductase — P450 (cytochrome) oxidoreductase PDB rendering based on 1amo … Wikipedia
cytochrome-b5 reductase — cy·to·chrome b5 re·duc·tase (siґto krōm re dukґtas) [EC 1.6.2.2] an enzyme of the endoplasmic reticulum and erythrocytes that catalyzes several series of redox reactions transferring electrons from NADH to an acceptor via the intermediate… … Medical dictionary