Wong, Alan, Howes, A. P., Pike, Kevin J., Lemaître, V., Watts, A. (Anthony), 1950-, Anupõld, Tiit, Past, J., Samoson, Ago, Dupree, Ray and Smith, Mark E.. (2006) New limits for solid-state O-17 NMR spectroscopy: Complete resolution of multiple oxygen sites in a simple biomolecule. Journal of the American Chemical Society, Vol.128 (No.24). pp. 7744-7745. ISSN 0002-7863

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Abstract

A solid-state 17O NMR 1H-decoupled double angle rotation (DOR) study of monosodium l-glutamate monohydrate (l-MSG) is reported. It is shown that all eight inequivalent sites can be resolved with DOR line widths (65 Hz) 120 times narrower than those in the MAS spectrum. The lines are tentatively assigned on the basis of their behavior under proton decoupling and the isotropic chemical shift and the quadrupole interaction parameter for each extracted by a combination of DOR and 3Q MAS at variable magnetic fields. With a shift range of 45 ppm for these similar oxygen sites and spectral resolution under DOR comparable to that for spin-1/2 nuclei, solid-state 17O NMR should have tremendous potential in the study of biomolecules.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics Q Science > QD Chemistry
Divisions:	Faculty of Science > Chemistry Faculty of Science > Physics
Journal or Publication Title:	Journal of the American Chemical Society
Publisher:	American Chemical Society
ISSN:	0002-7863
Date:	21 June 2006
Volume:	Vol.128
Number:	No.24
Number of Pages:	2
Page Range:	pp. 7744-7745
Identification Number:	10.1021/ja062031l
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	Biotechnology and Biological Sciences Research Council (Great Britain) (BBSRC)
Grant number:	BB/C000471/1
URI:	http://wrap.warwick.ac.uk/id/eprint/33398

Data sourced from Thomson Reuters' Web of Knowledge

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