产品内容
本酶催化的反应为(1) 4'-O-Methylnorbelladine + [Reduced NADPH---Hemoprotein Reductase] + O2 = (4AR,10bS)-Noroxomaritidine + [Oxidized NADPH---Hemoprotein Reductase] + 2 H2O;;(2) 4'-O-Methylnorbelladine + [Reduced NADPH---Hemoprotein Reductase] + O2 = (4AS,10bR)-Noroxomaritidine + [Oxidized NADPH---Hemoprotein Reductase] + 2 H2O，系统名称为4'-O-Methylnorbelladine,NADPH---Hemoprotein Reductase:oxygen Oxidoreductase (Noroxomaritidine-Forming)，一种P-450（血红素-硫醇盐）酶。该酶已从黄水仙 Narcissus pseudonarcissus（黄水仙）中得到表征，通过催化分子内氧化对-对'酚偶联形成石蒜科生物碱降氧马替定宁的两种对映异构体。该氧化涉及分子氧但不将其掺入产物。
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