Solid-state IR-LD spectroscopic and theoretical analysis of arginine-containing peptides

被引：40
|
作者：
Kolev, Tsonko [1 ]
机构：
[1] Bulgarian Acad Sci, Inst Organ Chem, BG-1113 Sofia, Bulgaria
来源：
BIOPOLYMERS | 2006年 / 83卷 / 01期
关键词：
glycyl-glycyl-arginine; glycyl-glycyl-arginyl-alanine; tri- and tetrapeptides; IR-LD spectroscopy; ab initio calculations; solid-state;
D O I：
10.1002/bip.20525
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：
Structural prediction and IR-characteristic bands assignment of arginine-containing tri- and tetrapeptides glycyl-glycyl-arginine (GGArg) and glycyl-glycyl-arginyl-alanine (GGArgAla) have been carried out, using linear-dichroic infrared (IR-LD) spectroscopy of oriented solid-samples in a nematic liquid crystal suspension. Spectroscopic data have been supported with ab initio analysis (Hartree-Fock level of theory and 6-31++G** basis set). Predicted geometry parameters have been compared with known crystallographic ones of similar peptides, indicating a good correlation. (c) 2006 Wiley Periodicals, Inc.
引用
收藏
页码：39 / 45
页数：7
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