Probing the Atomic Structure of Transient Protein Contacts by Paramagnetic Relaxation Enhancement Solution NMR.

Probing the Atomic Structure of Transient Protein Contacts by Paramagnetic Relaxation Enhancement Solution NMR.
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通过顺磁弛豫增强溶液 NMR 探测瞬时蛋白质接触的原子结构。

DOI:
10.1007/978-1-4939-7386-6_12
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发表时间:
2018
期刊:
Methods in molecular biology (Clifton, N.J.)
影响因子:
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通讯作者:
Fawzi,NicolasL
Fawzi,NicolasL
中科院分区:
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文献类型:
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作者:
Venditti,Vincenzo;Fawzi,NicolasL

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重要的生物过程,包括酶催化、信号传导和蛋白质折叠,通过低密度(<5%)状态进行,这些状态逃避了传统技术的结构表征。在这里,我们描述了这些稀疏的构象和瞬态蛋白质-蛋白质相互作用,使用顺磁弛豫增强溶液NMR可视化所需的步骤。我们描述了实验设计,样品制备,数据采集和处理,以及结构系综数据分析的基础知识。
Important biological processes, including enzyme catalysis, signaling, and protein folding, proceed through lowly populated (<5%) states that elude structural characterization by conventional techniques. Here, we describe the steps required for visualization of these sparsely populated conformations and transient protein-protein interactions using paramagnetic relaxation enhancement solution NMR. We describe experimental design, sample preparation, data acquisition and processing, and the basics of data analysis of structural ensembles.