Ferredoxin—NADP( ) Reductase
In enzymology, a ferredoxin-NADP reductase () abbreviated FNR, is an enzyme that catalyzes the chemical reaction :2 reduced ferredoxin + NADP + H \rightleftharpoons 2 oxidized ferredoxin + NADPH The 3 substrates of this enzyme are reduced ferredoxin, NADP, and H, whereas its two products are oxidized ferredoxin and NADPH. It has a flavin cofactor, FAD. This enzyme belongs to the family of oxidoreductases, that use iron-sulfur proteins as electron donors and NAD or NADP as electron acceptors. This enzyme participates in photosynthesis. FNR provides a major source of NADPH for photosynthetic organisms. Nomenclature The systematic name of this enzyme class is ferredoxin:NADP oxidoreductase. Other names in common use include: * adrenodoxin reductase, * ferredoxin-NADP reductase, * ferredoxin-NADP oxidoreductase, * ferredoxin-nicotinamide adenine dinucleotide phosphate reductase, * ferredoxin-nicotinamide-adenine dinucleotide phosphate (oxidized), reductase * ferredoxin-TP ...
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