产品内容
本酶催化的反应为(1) A 2-(All-Trans-Polyprenyl)phenol + Prephenate + Acceptor = A 3-(All-Trans-Polyprenyl)benzene-1,2-Diol + 3-Phenyl-2-Oxopropanoate + CO2 + Reduced Acceptor;;(2) A 2-Methoxy-6-(All-Trans-Polyprenyl)phenol + Prephenate + Acceptor = A 2-Methoxy-6-(All-Trans-Polyprenyl)benzene-1,4-Diol + 3-Phenyl-2-Oxopropanoate + CO2 + Reduced Acceptor;;(3) A 5-Methoxy-2-Methyl-3-(All-Trans-Polyprenyl)benzene-1,4-Diol + Prephenate + Acceptor = A 3-Demethylubiquinol + 3-Phenyl-2-Oxopropanoate + CO2 + Reduced Acceptor;;系统名称为Prephenate,acceptor:2-(All-Trans-Polyprenyl)phenol Oxidoreductase (6-Hydroxylating),该酶从细菌 Escherichia coli 中鉴定,在泛醌(UQ)生物合成的氧非依赖途径中催化三次羟化反应。该反应涉及一个电子受体,其身份截至 2024 年仍未知。Escherichia coli 酶是异二聚体,两个亚基都含有 [4Fe-4S] 簇,该簇对活性必不可少,可能作为从底物到未鉴定电子受体的电子传递链的一部分。