New insights into the bonding arrangements of L- and D-glutamates from solid state 17O NMR

被引：42

作者：

Lemaitre, V

Pike, KJ

Watts, A

Anupold, T

Samoson, A

Smith, ME ^{[1
]}

Dupree, R

机构：

[1] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

[2] Nestle Res Ctr, Dept Biosci, CH-1000 Lausanne 26, Switzerland

[3] Univ Oxford, Dept Biochem, Oxford OX1 3QU, England

[4] NICPB, Tallinn, Estonia

来源：

CHEMICAL PHYSICS LETTERS | 2003年 / 371卷 / 1-2期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1016/S0009-2614(03)00254-9

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：

Magic angle spinning (MAS) from L- and D-glutamic acid-HCl at 14.1 T produces highly structured and very similar NMR spectra. Lines from all 4 oxygen sites are readily distinguished and assigned. These O-17 NMR spectra are very different from the previously reported O-17 spectrum of the D,L-form presumably because that was a racemic crystal. O-17 NMR from L-monosodium glutamate-HCl is very different again requiring the application of double angle rotation and 3 quantum MAS NMR to provide resolution of 5 different sites. Hence high resolution O-17 solid state NMR techniques offer possible new insight into biochemical bonding processes. (C) 2003 Elsevier Science B.V. All rights reserved.

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页码：91 / 97

页数：7

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