Quantifying transient interactions between amide groups and the guanidinium cation

被引：14
|
作者：
Balos, V. [1 ]
Bonn, M. [1 ]
Hunger, J. [1 ]
机构：
[1] Max Planck Inst Polymer Res, D-55128 Mainz, Germany
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2015年 / 17卷 / 43期
关键词：
AQUEOUS-SOLUTIONS; DIELECTRIC-RELAXATION; PROTEIN DENATURATION; CHLORIDE; UREA; SPECTROSCOPY;
D O I：
10.1039/c5cp04619j
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We study the interaction of the guanidinium cation, a widely used protein denaturant, with amide groups, the common structural motif of proteins. Our results provide evidence for direct contact between guanidinium and similar to 2 amide groups, but the interaction is transient and weaker than for other cations with high charge-density.
引用
收藏
页码：28539 / 28543
页数：5
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