Gaining insight into membrane protein structure using isotope-edited FTIR.

Gaining insight into membrane protein structure using isotope-edited FTIR.
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使用同位素编辑 FTIR 深入了解膜蛋白结构。

DOI:
10.1016/j.bbamem.2012.11.020
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发表时间:
2013
期刊:
Biochimica et biophysica acta
影响因子:
--
通讯作者:
Arkin,IsaiahT
Arkin,IsaiahT
中科院分区:
--
文献类型:
--
作者:
Manor,Joshua;Arkin,IsaiahT

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傅立叶变换红外光谱法长期以来一直被用作获得蛋白质平均结构信息的工具。随着稳定同位素编辑技术的出现,FTIR可用于获得有关分离氨基酸的准确信息。特别地,在各向异性样品如膜层中,可以测量肽羰基的取向。在这里,我们回顾的理论,使人们能够获得准确的限制FTIR光谱,同时考虑样品的适用性和普遍适用性。我们还提出了方法,可用于生成基于FTIR取向约束的简单膜蛋白的结构模型。这篇文章是特刊的一部分,题为:FTIR在膜蛋白和肽的研究。
FTIR spectroscopy has long been used as a tool used to gain average structural information on proteins. With the advent of stable isotope editing, FTIR can be used to derive accurate information on isolated amino acids. In particular, in an anisotropic sample such as membrane layers, it is possible to measure the orientation of the peptidic carbonyl groups. Herein, we review the theory that enables one to obtain accurate restraints from FTIR spectroscopy, alongside considerations for sample suitability and general applicability. We also propose approaches that may be used to generate structural models of simple membrane proteins based on FTIR orientational restraints. This article is part of a Special Issue entitled: FTIR in membrane proteins and peptide studies.
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