BACKBONE-BACKBONE H-BONDS MAKE CONTEXT-DEPENDENT CONTRIBUTIONS TO PROTEIN FOLDING KINETICS AND THERMODYNAMICS: LESSONS FROM AMIDE-TO-ESTER MUTATIONS

被引:50
作者
Powers, Evan T. [1 ]
Deechongkit, Songpon
Kelly, Jeffery W.
机构
[1] Scripps Res Inst, Dept Chem, La Jolla, CA 92037 USA
来源
PEPTIDE SOLVATION AND H-BONDS | 2005年 / 72卷
关键词
D O I
10.1016/S0065-3233(05)72002-7
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The contribution of backbone-backbone hydrogen bonds (H-bonds) to protein folding energetics has been controversial. This is due, at least in part, to the inability to perturb backbone-backbone H-bonds by traditional methods of protein mutagenesis. Recently, however, protein backbone mutagenesis has become possible with the development of chemical and biological methods to replace individual amides in the protein backbone with esters. Here, we review the use of amide-to-ester mutation as a tool to evaluate the contribution of backbone-backbone H-bonds to protein folding kinetics and thermodynamics.
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页码:39 / 78
页数:40
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