Chirality-controlled formation of β-turn secondary structures in short peptide chains:: Gas-phase experiment versus quantum chemistry

被引：52

作者：

Brenner, Valerie ^{[1
]}

Piuzzi, Francois ^{[1
]}

Dimicoli, Iliana ^{[1
]}

Tardivel, Benjamin ^{[1
]}

Mons, Michel ^{[1
]}

机构：

[1] CEA Saclay, URA CEA CNRS 2453, Lab Francis Perrin, Serv Photons Atomes & Mol, F-91191 Gif Sur Yvette, France

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2007年 / 46卷 / 14期

关键词：

ab initio calculations; conformation analysis; hydrogen bonds; IR/UV spectroscopy; peptides;

D O I：

10.1002/anie.200604416

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

(Chemical Equation Presented) Spontaneous formation of secondary structures (i.e., β-turns) by isolated capped dipeptides in the gas phase was investigated by laser spectroscopy following supersonic expansion, and by quantum chemical calculations. The two most stable calculated β-turn structures I and II′ of one of the dipeptides were related to species B and B′, respectively, identified in the near-UV spectrum (see figure). © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：2463 / 2466

页数：4

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