产品内容
本酶催化的反应为6-Deoxocastasterone + 2 O2 + 2 [Reduced NADPH---Hemoprotein Reductase] = Castasterone + 3 H2O + 2 [Oxidized NADPH---Hemoprotein Reductase] (Overall Reaction);;(1a) 6-Deoxocastasterone + O2 + [Reduced NADPH---Hemoprotein Reductase] = 6alpha-Hydroxy-6-Deoxocastasterone + H2O + [Oxidized NADPH---Hemoprotein Reductase];;(1b) 6alpha-Hydroxy-6-Deoxocastasterone + O2 + [Reduced NADPH---Hemoprotein Reductase] = Castasterone + 2 H2O + [Oxidized NADPH---Hemoprotein Reductase]，系统名称为6-Deoxocastasterone,NADPH---Hemoprotein Reductase:oxygen 6-Oxidoreductase (Castasterone-Forming)，这种植物细胞色素 P-450（血红素硫醇盐）酶催化几种油菜素甾醇生物合成中间体的 C-6 羟化，以及羟基进一步氧化为氧代基。底物包括 6-脱氧栗木甾酮（6-deoxocastasterone）、6-脱氧香蒲甾醇（6-deoxotyphasterol）、3-脱氢-6-脱氧茶甾酮（3-dehydro-6-deoxoteasterone）和 6-脱氧茶甾酮。拟南芥（Arabidopsis thaliana）的 CYP85A2 同工酶（而非 CYP85A1 同工酶）还催化 EC 1.14.14.180（油菜素内酯合酶）的活性。
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