Application of High-Pressure Electron Paramagnetic Resonance (EPR) Spectroscopy in Protein Science

Application of High-Pressure Electron Paramagnetic Resonance (EPR) Spectroscopy in Protein Science
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高压电子顺磁共振(EPR)波谱在蛋白质科学中的应用

DOI:
10.1007/s00723-023-01573-4
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发表时间:
2023
影响因子:
1
通讯作者:
Yang, Zhongyu
Yang, Zhongyu
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
MacRae, Austin;Armstrong, Zoe;Lenertz, Mary;Li, Qiaobin;Forge, Aiden;Wang, Max;Feng, Li;Sun, Wenfang;Yang, Zhongyu

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已经发现,在几千巴的高流体静压提供了一个机会,以探测蛋白质的构象状态,具有较低的流体静压体积,往往没有很好地填充在环境压力下。韦恩·哈贝尔教授的一个重要贡献是通过建立高压EPR的理论基础,启动了高压下蛋白质的EPR研究,使EPR测量的参数可以与关键的蛋白质结构因素,如活化体积和摩尔压缩系数相关联。Hubbell教授还开发了一系列实验装置,用于测量高压下的连续波(CW)和双电子-电子共振(DEER)EPR。这些努力直接导致了一系列关于球状蛋白和跨膜蛋白的高压EPR研究。通过当前特刊的这篇评论,我们的目标是简要介绍高压EPR的最新发现及其在蛋白质科学中的应用。我们将重点介绍每种技术在蛋白质研究中可以做什么,如何使用该技术来测量所需的信息,以及每个测量参数告诉我们什么。我们还将讨论高压EPR与其他技术的结合以及该领域的未来前景。最终目标是拓宽高压EPR的应用范围,并将其与其他高压生物物理技术相结合,以提高蛋白质科学研究。
High hydrostatic pressure at a few thousand bars has been found to offer an opportunity to probe protein conformational states which possess lower hydrostatic volumes and are often not well populated under the ambient pressure. An important contribution of Prof. Wayne Hubbell is to initiate EPR studies on proteins under elevated pressure via establishing the theoretical basis of high-pressure EPR, so that parameters from EPR measurements can be correlated to key protein structural factors, such as activation volume and molar compressibility. Prof. Hubbell also developed a series of experimental devices for the measurement of continuous wave (CW) and double electron–electron resonance (DEER) EPR under elevated pressure. These efforts have directly resulted in a series of high-pressure EPR studies on globular and transmembrane proteins. Via this review in the current Special Issue, we aim to briefly cover the most recent findings in high-pressure EPR and its applications in protein science. We will focus on what each technique can do in protein studies, how to use the technique to measure needed information, and what each measured parameter tells us. We will also discuss the combination of high-pressure EPR with other techniques and the future perspectives of the field. The ultimate goal is to broaden the application of high-pressure EPR and its combination with other high-pressure biophysical techniques to improve protein science research.
DOI: 10.1021/bi990856k
发表时间: 1999-08-10
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发表时间: 1989
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DOI: 10.1021/ja303791p
发表时间: 2012-06-20
影响因子: 15
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