Biochemistry. An ensemble view of allostery.

Biochemistry. An ensemble view of allostery.
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DOI:
10.1126/science.1186121
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发表时间:
2010-02-05
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Hilser VJ
Hilser VJ
中科院分区:
其他
文献类型:
--
作者:
Hilser VJ

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变构是生物大分子(主要是蛋白质)将配体在一个位点结合引起的调节效应传递到不同的(通常是遥远的)功能位点的过程。这个过程控制着几乎所有新陈代谢和基因调控的功能(,)。尽管这一过程很重要,但对变构的结构和能量基础的总体理解一直难以实现。在本期第 685 页,Baiet 等人通过展示作为多种构象整体存在的蛋白质如何影响变构信号转导过程,阐明了理解变构控制的一个关键障碍。
Allostery is the process by which biological macromolecules (mostly proteins) transmit the regulatory effects induced by the binding of a ligand at one site to a different, often distant, functional site. This process governs the function of almost all metabolism and gene regulation (, ). Despite the importance of this process, a general understanding of the structural and energetic basis for allostery has been elusive. On page 685 of this issue, Baiet al.shed light on a key obstacle to understanding allosteric control by showing how proteins existing as ensembles of multiple conformations affect the allosteric signal transduction process.
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