THEORETICAL NMR-STUDY OF THE CHEMICAL-EXCHANGE OF AMIDE PROTONS OF PROTEINS

被引：3

作者：

DILL, K

HUANG, LH

BEARDEN, DW

机构：

[1] Department of Chemistry, Clemson University, Clemson, 29634, SC

来源：

JOURNAL OF BIOMOLECULAR NMR | 1992年 / 2卷 / 02期

关键词：

AMIDE PROTON; EXCHANGE RATE; KINETICS; NOE; CROSS-RELAXATION;

D O I：

10.1007/BF01875528

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：

A model is proposed to evaluate the rate of exchange between the amide protons of proteins and the solvent water molecules. Using this model we determined the extent of the error for the chemical exchange rate constant when cross relaxation was neglected; both selective inversion and saturation-transfer techniques were evaluated. Furthermore, the fluctuations in the NOE intensities were determined when the exchange rate was varied.

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页码：173 / 181

页数：9

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