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Structure of the serine-containing capsular poly-saccharide K40 antigen from Escherichia coli O8:K40:H9

โœ Scribed by Thomas Dengler; Barbara Jann; Klaus Jann

Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
524 KB
Volume
150
Category
Article
ISSN
0008-6215

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โœฆ Synopsis

The structure of the K40 antigenic capsular polysaccharide (K40 antigen) of E. coli O8:K40:H9 was elucidated by determination of the composition, 1H- and 13C-n.m.r. spectroscopy, periodate oxidation and Smith degradation, and methylation analysis. The K40 polysaccharide consists of [(O-beta-D-glucopyranosyluronic acid)-(1----4)-O-(2-acetamido-2-deoxy-alpha-D-glucopyranosyl)-(1----6)-O -(2-acetamido-2-deoxy-alpha-D-glucopyranosyl)-(1----4)] repeating units. All of the glucuronic acid residues are substituted amidically with L-serine.

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