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

✍ Scribed by Tsonko Kolev

Publisher
Wiley (John Wiley & Sons)
Year
2006
Tongue
English
Weight
413 KB
Volume
83
Category
Article
ISSN
0006-3525

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✦ Synopsis

Abstract

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. © 2006 Wiley Periodicals, Inc. Biopolymers 83: 39–45, 2006

This article was originally published online as an accepted preprint. The “Published Online” date corresponds to the preprint version. You can request a copy of the preprint by emailing the Biopolymers editorial office at [email protected]

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✍ Bojidarka B. Ivanova; Tsonko Kolev; Sonya Y. Zareva 📂 Article 📅 2006 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 423 KB

## Abstract As part of an investigation on the coordination ability of peptides, structural analyses of the solid di‐, tri, and tetrapeptides glycyl‐glycine (__GG__), glycyl‐glycyl‐glycine (__GGG__), glycyl‐glycyl‐glycyl‐glycine (__GGGG__), and their protonated hydrochlorides glycyl‐glycine·HCl (__