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Aquacobalamin reductase (NADPH) () is an enzyme that catalyzes the chemical reaction :2 cob(II)alamin + NADP+ 2 aquacob(III)alamin + NADPH + H+ Thus, the two substrates of this enzyme are cob(II)alamin and nicotinamide adenine dinucleotide phosphate ion, whereas its 3 products are aquacob(III)alamin, nicotinamide adenine dinucleotide phosphate, and hydrogen ion. This enzyme belongs to the family of oxidoreductases, specifically those oxidizing metal ion with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is cob(II)alamin:NADP+ oxidoreductase. Other names in common use include aquacobalamin (reduced nicotinamide adenine dinucleotide phosphate), reductase, NADPH-linked aquacobalamin reductase, and NADPH2:aquacob(III)alamin oxidoreductase. This enzyme participates in porphyrin and chlorophyll metabolism. It employs one cofactor, FAD. ==References== * * 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「Aquacobalamin reductase (NADPH)」の詳細全文を読む スポンサード リンク
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