Kaca W, De Jongh-Leuvenink J, Zähringer U, Rietschel ET, Brade H, Verhoef J, Sinnwell V Isolation and chemical analysis of 7-O-(2-Amino-2-Deoxy-a-D-glucopyranosyl)-L-glycero-D-manno-heptose as a constituent of the lipopolysaccharides of the UDP-galactose epimerase-less mutant J-5 of Escherichia coli and Vibrio cholerae Carbohydrate Research179 (1988)
289-299
The structure was elucidated in this paper NCBI PubMed ID:3061645 Publication DOI:10.1016/0008-6215(88)84125-9 Journal NLM ID:0043535 Publisher: Elsevier Institutions: Forschungsinstitut Borstel, Institut für Experimentelle Biologie und Medizin, F.R.G.
Methyl 7-O-(2-amino-2-deoxy-α-D-glucopyranosyl)-L-glycero-D-manno-heptopyranoside (1) was released from the lipopolysaccharide of the UDP-galactose epimerase-less mutant J-5 of Escherichia coli by methanolysis and isolated by high-voltage paper electrophoresis. Its chemical structure was determined by chemical analysis, deamination with nitrous acid, g.1.c.-m.s., and 1H- and 13C-n.m.r. spectroscopy performed on its acetylated derivative. The disaccharide moiety of 1 was also detected in lipopolysaccharides of Vibrio cholerae.
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