A generalized approach for NMR studies of lipid-protein interactions based on sparse fluorination of acyl chains

A generalized approach for NMR studies of lipid-protein interactions based on sparse fluorination of acyl chains
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基于酰基链稀疏氟化的脂质-蛋白质相互作用的核磁共振研究通用方法

DOI:
10.1039/c8cc02483a
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发表时间:
2018
影响因子:
4.9
通讯作者:
De Biasio A
De Biasio A
中科院分区:
化学2区
文献类型:
--
作者:
De Biasio A

文献摘要

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稀疏的脂质结构增强了脂质的1H信号分散,使19 F NMR能够清晰地区分分子,并通过氟诱导的信号位移表明蛋白质的胶束插入。我们提出了一个最小的包埋方案,并说明了二-(4-氟)-庚酰磷脂酰胆碱胶束和增溶的七螺旋跨膜pSRII蛋白的概念。
Sparse lipid fluorination enhances the lipids' 1H signal dispersion, enables clean molecular distinction by 19F NMR, and evinces micelle insertion of proteins via fluorine-induced signal shifts. We present a minimal fluorination scheme, and illustrate the concept on di-(4-fluoro)-heptanoylphosphatidylcholine micelles and solubilised seven-helix transmembrane pSRII protein.