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

页码：39 / 45

页数：7

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