Structural diversity of the Y-family DNA polymerases.

Structural diversity of the Y-family DNA polymerases.
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DOI:
10.1016/j.bbapap.2010.01.020
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发表时间:
2010-05
期刊:
Biochimica et biophysica acta
影响因子:
--
通讯作者:
Pata JD
Pata JD
中科院分区:
其他
文献类型:
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作者:
Pata JD

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Y家族translesion DNA聚合酶使细胞能够耐受多种形式的DNA损伤,但这些酶有可能以高速率产生基因突变。虽然这个聚合酶家族是在不到十年前定义的,但到目前为止已经确定了90多个结构。这些结构表明,单个家族成员绕过损伤并复制DNA,具有无错误或致突变的结果,这取决于聚合酶、损伤和序列背景。在这里,这些结构进行审查和聚合酶功能的影响进行了讨论。
The Y-family translesion DNA polymerases enable cells to tolerate many forms of DNA damage, yet these enzymes have the potential to create genetic mutations at high rates. Although this polymerase family was defined less than a decade ago, more than 90 structures have already been determined so far. These structures show that the individual family members bypass damage and replicate DNA with either error-free or mutagenic outcomes, depending on the polymerase, the lesion and the sequence context. Here, these structures are reviewed and implications for polymerase function are discussed.
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