The dynamic nature of the Mre11-Rad50 DNA break repair complex.

The dynamic nature of the Mre11-Rad50 DNA break repair complex.
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DOI:
10.1016/j.pbiomolbio.2020.10.007
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发表时间:
2021-08
影响因子:
3.8
通讯作者:
Latham MP
Latham MP
中科院分区:
生物学3区
文献类型:
--
作者:
Beikzadeh M;Latham MP

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Mre 11-Rad 50-Nbs 1/Xrs 2蛋白复合物在DNA双链断裂的检测和修复中起着关键作用。通过传统和新兴的结构生物学技术,这种复合物的各种功能结构状态已经可视化;然而,对这些状态之间的转换知之甚少。事实上,正是这些结构转变对于Mre 11-Rad 50介导的DNA在断裂时解旋和下游修复信号传导事件的激活是重要的。在这里,我们提出了一个简单的概述目前的理解的核心Mre 11-Rad 50复杂的结构。然后,我们强调我们最近的研究,强调溶液状态NMR光谱和其他生物物理技术的贡献,提供洞察与Mre 11-Rad 50功能的结构和动力学。
The Mre11-Rad50-Nbs1/Xrs2 protein complex plays a pivotal role in the detection and repair of DNA double strand breaks. Through traditional and emerging structural biology techniques, various functional structural states of this complex have been visualized; however, relatively little is known about the transitions between these states. Indeed, it is these structural transitions that are important for Mre11-Rad50-mediated DNA unwinding at a break and the activation of downstream repair signaling events. Here, we present a brief overview of the current understanding of the structure of the core Mre11-Rad50 complex. We then highlight our recent studies emphasizing the contributions of solution state NMR spectroscopy and other biophysical techniques in providing insight into the structures and dynamics associated with Mre11-Rad50 functions.
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影响因子: 11.1
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