Force-induced remodelling of proteins and their complexes.

Force-induced remodelling of proteins and their complexes.
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DOI:
10.1016/j.sbi.2015.02.001
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发表时间:
2015-02
影响因子:
6.8
通讯作者:
Brockwell DJ
Brockwell DJ
中科院分区:
生物学2区
文献类型:
--
作者:
Chen Y;Radford SE;Brockwell DJ

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力可以驱动蛋白质的构象变化,并调节其稳定性和复合物的亲和力,从而使机械输入转化为生化输出。这些特性已被大自然利用,并且力现在被认为在细胞水平上广泛使用。力对生物系统的生物物理特性的影响可能很大且多种多样。由于这些效应仅在存在力的情况下才明显,因此使用传统整体生物物理方法对相同蛋白质进行的研究可能会产生明显相互矛盾的结果。因此,在适当的情况下,力测量应与其他实验方法相结合,以了解所研究系统的生理背景。
Force can drive conformational changes in proteins, as well as modulate their stability and the affinity of their complexes, allowing a mechanical input to be converted into a biochemical output. These properties have been utilised by nature and force is now recognised to be widely used at the cellular level. The effects of force on the biophysical properties of biological systems can be large and varied. As these effects are only apparent in the presence of force, studies on the same proteins using traditional ensemble biophysical methods can yield apparently conflicting results. Where appropriate, therefore, force measurements should be integrated with other experimental approaches to understand the physiological context of the system under study.
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