副球菌中细胞色素氧化酶亚基III的一个基因。
A gene in Paracoccus for subunit III of cytochrome oxidase.
作者信息
Saraste M, Raitio M, Jalli T, Perämaa A
出版信息
FEBS Lett. 1986 Sep 29;206(1):154-6. doi: 10.1016/0014-5793(86)81359-x.
The region of Paracoccus denitrificans chromosome where the genes coding for cytochrome oxidase (cytochrome aa3) subunits are located has been cloned. DNA sequencing revealed an open reading frame that codes for a protein homologous to the subunit III of the eukaryotic, mitochondrial enzyme. This subunit is absent from the isolated Paracoccus oxidase. It now seems that it is part of the native enzyme in the bacterial cytoplasmic membrane. This may explain the observed discrepancies in the function of the isolated enzyme.
已克隆出反硝化副球菌染色体上编码细胞色素氧化酶（细胞色素aa3）亚基的基因所在区域。DNA测序揭示了一个开放阅读框，其编码一种与真核生物线粒体酶的亚基III同源的蛋白质。在分离出的副球菌氧化酶中不存在该亚基。现在看来，它是细菌细胞质膜中天然酶的一部分。这可能解释了所观察到的分离酶功能上的差异。
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