Simple and inexpensive incorporation of 19F-Tryptophan for protein NMR spectroscopy

被引:116
作者
Crowley, Peter B. [1 ]
Kyne, Ciara [1 ]
Monteith, William B. [1 ]
机构
[1] Natl Univ Ireland Galway, Sch Chem, Galway, Ireland
基金
爱尔兰科学基金会;
关键词
GREEN FLUORESCENT PROTEIN; F-19; NMR; ESCHERICHIA-COLI; AMINO-ACIDS; TRYPTOPHAN SYNTHASE; GENETIC-CODE; DOMAIN; STATE; STABILITY; H-1-NMR;
D O I
10.1039/c2cc35347d
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Fluorine-containing amino acids are valuable probes for the biophysical characterization of proteins. Current methods for F-19-labeled protein production involve time-consuming genetic manipulation, compromised expression systems and expensive reagents. We show that Escherichia coli BL21, the workhorse of protein production, can utilise fluoroindole for the biosynthesis of proteins containing F-19-tryptophan.
引用
收藏
页码:10681 / 10683
页数:3
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