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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >A Consensus View Of Dna Binding By The C Family Of Replicative Dna Polymerases
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A Consensus View Of Dna Binding By The C Family Of Replicative Dna Polymerases

机译:复制的Dna聚合酶C家族的Dna绑定的共识视图。

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The DNA polymerases that duplicate bacterial chromosomes are members of the C family of polymerases, which shares no sequence homology with any of the other DNA polymerase families. In Gram-negative bacteria the replicative polymerase is polymerase III α-subunit (Pol III), whereas in Gram-positive bacteria the replicative polymerase is called Pol C. Even though the first C family polymerase was discovered ≈40 years ago (1), it is the last polymerase family to be studied structurally. C family polymerases are quite large multidomain proteins, larger than polymerases of other families, which may explain why structural representatives of this class have been solved only recently. In this issue of PNAS, Evans et al.
机译:复制细菌染色体的DNA聚合酶是聚合酶C家族的成员,该家族与其他任何DNA聚合酶家族都不具有序列同源性。在革兰氏阴性细菌中,复制性聚合酶是聚合酶IIIα亚基(Pol III),而在革兰氏阳性细菌中,复制性聚合酶被称为PolC。尽管大约40年前发现了第一个C族聚合酶(1),它是最后一个在结构上需要研究的聚合酶家族。 C家族聚合酶是相当大的多域蛋白,比其他家族的聚合酶要大,这可以解释为什么此类结构的代表仅在最近才得到解决。在本期PNAS中,Evans等人。

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