A role for confined water in chaperonin function.

A role for confined water in chaperonin function.
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DOI:
10.1021/ja802248m
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发表时间:
2008-09-10
影响因子:
15
通讯作者:
Pande, Vijay S.
Pande, Vijay S.
中科院分区:
化学1区
文献类型:
--
作者:
England, Jeremy L.;Lucent, Del;Pande, Vijay S.

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伴侣蛋白吞噬其他蛋白质,并通过一种未知的机制加速它们的折叠。在这里,我们结合联合收割机的全原子分子动力学模拟与数据的细菌伴侣GroEL的活性的实验测定证明,伴侣蛋白的能力,以促进折叠与其内表面的水的亲和力。我们的研究结果提出了一个新的观点,在体内蛋白质折叠的情况下,模型的行为的承压水。
Chaperonins engulf other proteins and accelerate their folding by an unknown mechanism. Here, we combine all-atom molecular dynamics simulations with data from experimental assays of the activity of the bacterial chaperonin GroEL to demonstrate that a chaperonin’s ability to facilitate folding is correlated with the affinity of its interior surface for water. Our results suggest a novel view of the behavior of confined water for models of in vivo protein folding scenarios.
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