产品内容
本酶催化的反应为(S)-beta-Macrocarpene + 3 O2 + 3 [Reduced NADPH---Hemoprotein Reductase] = Zealexin A1 + 4 H2O + 3 [Oxidized NADPH---Hemoprotein Reductase] (Overall Reaction);;(1a) (S)-beta-Macrocarpene + O2 + [Reduced NADPH---Hemoprotein Reductase] = [(4S)-4-(5,5-Dimethylcyclohex-1-En-1-Yl)-Cyclohex-1-En-1-Yl]methanol + H2O + [Oxidized NADPH---Hemoprotein Reductase];;(1b) [(4S)-4-(5,5-Dimethylcyclohex-1-En-1-Yl)-Cyclohex-1-En-1-Yl] Methanol + O2 + [Reduced NADPH---Hemoprotein Reductase] = (4S)-4-(5,5-Dimethylcyclohex-1-En-1-Yl)cyclohex-1-Ene-1-Carbaldehyde + 2 H2O + [Oxidized NADPH---Hemoprotein Reductase];;(1c) (4S)-4-(5,5-Dimethylcyclohex-1-En-1-Yl)cyclohex-1-Ene-1-Carbaldehyde + O2 + [Reduced NADPH---Hemoprotein Reductase] = Zealexin A1 + H2O + [Oxidized NADPH---Hemoprotein Reductase]，系统名称为(S)-beta-Macrocarpene,[reduced NADPH---Hemoprotein Reductase]:oxygen Oxidoreductase (Zealexin A1-Forming)，一种源自玉米的细胞色素 P-450（血红素-硫醇盐）酶。该酶将 (S)-beta-macrocarpene 经醇和醛中间体依次氧化，生成玉米植保素 zealexin A1，为玉米提供针对真菌侵染的生化保护。
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