产品内容
本酶催化的反应为A Flavanone + 2 NADPH + 2 H+ + 2 O2 = A 3',5'-Dihydroxyflavanone + 2 NADP+ + 2 H2O (Overall Reaction);;(1a) A Flavanone + NADPH + H+ + O2 = A 3'-Hydroxyflavanone + NADP+ + H2O;;(1b) A 3'-Hydroxyflavanone + NADPH + H+ + O2 = A 3',5'-Dihydroxyflavanone + NADP+ + H2O,系统名称为Flavanone,NADPH:oxygen Oxidoreductase,一种血红素-硫醇盐蛋白(P-450)。3',5'-二羟基黄烷酮通过3'-羟基黄烷酮形成。在矮牵牛(Petunia hybrida)中,该酶作用于柚皮素、圣草酚、二氢槲皮素(花旗松素)和二氢山柰酚(香橙素)。该酶催化5,7,4'-三羟基黄烷酮(柚皮素)在3'位的羟基化形成圣草酚,或在3'和5'两个位点的羟基化形成5,7,3',4',5'-五羟基黄烷酮(三叶草素)。该酶还催化3,5,7,3',4'-五羟基黄烷酮(花旗松素)在5'位的羟基化,形成蛇葡萄素(ampelopsin)。NADH不是NADPH的良好替代品。