New insights into DNA-binding by type IIA topoisomerases

Chih Chiang Chang, Ying Ren Wang, Shin Fu Chen, Chyuan Chuan Wu, Nei Li Chan

研究成果: Review article同行評審

14 引文 斯高帕斯(Scopus)

摘要

Type IIA topoisomerases catalyze the passage of two DNA duplexes across each other to resolve the entanglements and coiling of cellular DNA. The ability of these enzymes to interact simultaneously but differentially with two DNA segments is central to their DNA-manipulating functions: one duplex DNA is bound and cleaved to produce a transient double-strand break through which another DNA segment can be transported. Recent structural analyses have revealed in atomic detail how type IIA enzymes contact DNA and how the enzyme-DNA interactions may be exploited by drugs to achieve therapeutic purposes. This review summarizes these new findings, with a special focus on the assembly and structural features of the enzymes' composite DNA-binding surfaces.

原文English
頁(從 - 到)125-133
頁數9
期刊Current Opinion in Structural Biology
23
發行號1
DOIs
出版狀態Published - 2013 二月

All Science Journal Classification (ASJC) codes

  • Structural Biology
  • Molecular Biology

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