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A 2D-1H-N.M.R. study of some Shigella flexneri O-polysaccharides

✍ Scribed by Per-Erik Jansson; Lennart Kenne; Thomas Wehler

Publisher: Elsevier Science
Year: 1987
Tongue: English
Weight: 661 KB
Volume: 166
Category: Article
ISSN: 0008-6215
DOI: 10.1016/0008-6215(87)80063-0

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✦ Synopsis

A 'H-n.m.r. study of the 0-polysaccharides from different types of Shigelh flexned has been performed. With the aid of 2D-n.m.r. techniques, namely, J-resolved, spin-spin correlation, and NOESY experiments, most of the structural features of these polysaccharides could be deduced. Sequences could generally be obtained from the NOESY experiments. When using a prolonged mixing time in these experiments, cross-peaks due to spin diffusion from one anomeric proton to the anomeric proton of an adjacent residue could be obtained, thereby giving complementary sequence information.

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