NMR-based investigations into target DNA search processes of proteins.

NMR-based investigations into target DNA search processes of proteins.
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DOI:
10.1016/j.ymeth.2018.05.004
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发表时间:
2018-09-15
期刊:
Methods (San Diego, Calif.)
影响因子:
--
通讯作者:
Esadze A
Esadze A
中科院分区:
其他
文献类型:
--
作者:
Iwahara J;Zandarashvili L;Kemme CA;Esadze A

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为了发挥它们的功能,转录因子和DNA修复/修饰酶必须首先在基因组DNA上大量存在的非特异性但结构相似的位点中定位它们的靶点。在到达目标之前,这些蛋白质随机扫描DNA,并动态地从DNA上的一个位点移动到另一个位点。溶液NMR光谱提供了独特的原子水平的动态DNA扫描过程的见解,这是很难获得任何其他实验手段。在这篇综述中,我们提供了一个介绍性的概述NMR方法的结构,动态和动力学研究的目标DNA搜索的蛋白质。我们还讨论了这些NMR方法的优点和缺点,其他方法,如单分子技术和生物化学方法。
To perform their function, transcription factors and DNA-repair/modifying enzymes must first locate their targets in the vast presence of nonspecific, but structurally similar sites on genomic DNA. Before reaching their targets, these proteins stochastically scan DNA and dynamically move from one site to another on DNA. Solution NMR spectroscopy provides unique atomic-level insights into the dynamic DNA-scanning processes, which are difficult to gain by any other experimental means. In this review, we provide an introductory overview on the NMR methods for the structural, dynamic, and kinetic investigations of target DNA search by proteins. We also discuss advantages and disadvantages of these NMR methods over other methods such as single-molecule techniques and biochemical approaches.
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