Structural elucidation of the capsular polysaccharide expressed by Escherichia coli O20:K83:H26 by high resolution NMR spectroscopy

Whittaker, D.V.; Parolis, L.A.; Parolis, H.

Carbohydrate Research 253: 247-256


ISSN/ISBN: 0008-6215
PMID: 8156551
DOI: 10.1016/0008-6215(94)80069-3
Accession: 009465664

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The structure of the capsular polysaccharide produced by Escherichia coli O20:K83:H26 was investigated by one- and two-dimensional 1H and 13C NMR spectroscopy, and by glycose and methylation analysis. The capsular polysaccharide was shown to be comprised of linear pentasaccharide repeating units with the structure: [formula: see text]