病原生物学中细胞色素P450的重要意义

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细胞色素P450单加氧酶系在药物、杀虫剂、植物毒素等外源化合物的解毒及内源化合物的代谢中所起的重要作用,已引起越来越多研究者的重视.细胞色素P450(CYP450)作为该酶系的末端氧化酶,可与底物结合并将电子从NADPH传递至NADPH细胞色素P450还原酶.细胞色素P450的重要特征是还原型P450与CO结合形成的复合体,在波长450nm处有最大的吸收峰(γ峰).目前CO差光谱检测仍是检测细胞色素P450的主要手段之rn
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