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In enzymology, a nitrite reductase () () is an enzyme that catalyzes the chemical reaction :ammonium hydroxide + 3 NAD(P)+ + H2O nitrite + 3 NAD(P)H + 3 H+ The 4 substrates of this enzyme are ammonium hydroxide, NAD+, NADP+, and H2O, whereas its 4 products are nitrite, NADH, NADPH, and H+. This enzyme belongs to the family of oxidoreductases, specifically those acting on other nitrogenous compounds as donors with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is ammonium-hydroxide:NAD(P)+ oxidoreductase. Other names in common use include nitrite reductase (reduced nicotinamide adenine dinucleotide, (phosphate)), NADH-nitrite oxidoreductase, NADPH-nitrite reductase, assimilatory nitrite reductase, nitrite reductase (), and NAD(P)H2:nitrite oxidoreductase. This enzyme participates in nitrogen metabolism. It has 3 cofactors: FAD, Iron, and Siroheme. ==Structural studies== As of late 2007, only one structure has been solved for this class of enzymes, with the PDB accession code . 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Nitrite reductase (NAD(P)H)」の詳細全文を読む スポンサード リンク
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