产品内容
本酶催化的反应为7alpha-Hydroxycholest-4-En-3-One + NADPH + H+ + O2 = 7alpha,12alpha-Dihydroxycholest-4-En-3-One + NADP+ + H2O,系统名称为7alpha-Hydroxycholest-4-En-3-One,NADPH:oxygen Oxidoreductase (12alpha-Hydroxylating),一种P-450血红素-硫醇盐蛋白。需要EC 1.6.2.4(NADPH---血红素蛋白还原酶),该酶以NADPH为代价还原细胞色素b5。该酶在胆汁酸生物合成中很重要,负责胆酸和鹅去氧胆酸形成之间的平衡 [2]。