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In enzymology, a 21-hydroxysteroid dehydrogenase (NAD+) () is an enzyme that catalyzes the chemical reaction :pregnan-21-ol + NAD+ pregnan-21-al + NADH + H+ Thus, the two substrates of this enzyme are pregnan-21-ol and NAD+, whereas its 3 products are pregnan-21-al, NADH, and H+. This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is 21-hydroxysteroid:NAD+ 21-oxidoreductase. This enzyme is also called 21-hydroxysteroid dehydrogenase (NAD+). ==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「21-hydroxysteroid dehydrogenase (NAD+)」の詳細全文を読む スポンサード リンク
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