2-DIMENSIONAL NMR-STUDIES AND SECONDARY STRUCTURE OF COBROTOXIN IN AQUEOUS-SOLUTION

被引:27
作者
YU, C
LEE, CS
CHUANG, LC
SHEI, YR
WANG, CY
机构
[1] Chemistry Department, National Tsing Hua University, Hisnchu
来源
EUROPEAN JOURNAL OF BIOCHEMISTRY | 1990年 / 193卷 / 03期
关键词
D O I
10.1111/j.1432-1033.1990.tb19401.x
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 1H‐NMR spectra of cobrotoxin, a neurotoxic protein isolated from Formosan cobra Naja naja atra, have been studied by two‐dimensional NMR techniques. Of 62 amino acid residues in cobrotoxin, the complete assignments of 58 residues have been made. The resonances from several of the remaining residues have been identified but not yet specifically assigned. The secondary structure of an antiparallel triple‐ and double‐stranded β‐sheet has also been determined by observing the NOE. Copyright © 1990, Wiley Blackwell. All rights reserved
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页码:789 / 799
页数:11
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