产品内容
本酶催化的反应为15-Cis-4,4'-Diapophytoene + 4 FAD = All-Trans-4,4'-Diapolycopene + 4 FADH2 (Overall Reaction);;(1a) 15-Cis-4,4'-Diapophytoene + FAD = All-Trans-4,4'-Diapophytofluene + FADH2;;(1b) All-Trans-4,4'-Diapophytofluene + FAD = All-Trans-4,4'-Diapo-zeta-Carotene + FADH2;;(1c) All-Trans-4,4'-Diapo-zeta-Carotene + FAD = All-Trans-4,4'-Diaponeurosporene + FADH2;;(1d) All-Trans-4,4'-Diaponeurosporene + FAD = All-Trans-4,4'-Diapolycopene + FADH2,系统名称为15-Cis-4,4'-Diapophytoene:FAD Oxidoreductase (4,4'-Diapolycopene-Forming),该酶催化四次连续脱氢,生成 4,4'-二脱氢番茄红素(4,4'-diapolycopene)。虽然来自金黄色葡萄球菌 Staphylococcus aureus 的酶在体内仅显示生成 4,4'-二脱氢链孢番茄红素(4,4'-diaponeurosporene)[4],但它在体外能够催化最后一步反应 [5]。