17O NMR chemical shifts and quadrupole coupling constants in solid poly(L-alanine)s determined using a high-speed MAS technique

被引：52

作者：

Yamauchi, K

Kuroki, S

Ando, I ^{[1
]}

Ozaki, T

Shoji, A

机构：

[1] Tokyo Inst Technol, Dept Chem & Mat Sci, Meguro Ku, Tokyo 1528852, Japan

[2] Bruker Japan, Tsukuba, Ibaraki 3050051, Japan

[3] Gunma Univ, Dept Biol Sci, Kiryu, Gumma 3768515, Japan

来源：

CHEMICAL PHYSICS LETTERS | 1999年 / 302卷 / 3-4期

关键词：

D O I：

10.1016/S0009-2614(99)00127-X

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The solid-state O-17 NMR spectra of L-alanine-residue containing polypeptides were measured by magic-angle spinning (MAS) at 25 kHz. NMR parameters such as the chemical shift, quadrupolar coupling constant and asymmetry parameter are obtained from the spectra. The relationship between the hydrogen-bonded structure and these NMR parameters is clarified. The hydrogen-bonding structures are related to the quadrupolar coupling constants and the chemical shift values. (C) 1999 Elsevier Science B.V. All rights reserved.

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页码：331 / 336

页数：6

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