三株甲烷氧化细菌中甲烷单加氧酶的底物特异性和电子供体特异性比较。
A comparison of the substrate and electron-donor specificities of the methane mono-oxygenases from three strains of methane-oxidizing bacteria.
作者信息
Stirling D I, Colby J, Dalton H
出版信息
Biochem J. 1979 Jan 1;177(1):361-4. doi: 10.1042/bj1770361.
Abstract
- Methane mono-oxygenase from Methylosinus trichosporium has the same broad substrate specificity as the analogous enzyme from Methylococcus capsulatus (Bath); the enzyme from Methylomonas methanica is more specific. 2. Contrary to previous reports, NAD(P)H and not ascorbate is the required electron donor for the enzyme from Methylosinus trichosporium. 3. It is concluded that these three bacteria contain similar methane mono-oxygenases.
摘要
- 来自 trichosporium 甲基弯曲菌的甲烷单加氧酶与来自荚膜甲基球菌（巴斯）的类似酶具有相同的广泛底物特异性；来自甲基单胞菌的酶更具特异性。2. 与先前的报道相反，烟酰胺腺嘌呤二核苷酸磷酸（NAD(P)H）而非抗坏血酸是来自 trichosporium 甲基弯曲菌的该酶所需的电子供体。3. 得出的结论是，这三种细菌含有相似的甲烷单加氧酶。
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