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  • Title: Investigation of the structure of the capsular polysaccharide of Escherichia coli K55 using Klebsiella bacteriophage phi 5.
    Author: Anderson AN, Parolis H.
    Journal: Carbohydr Res; 1989 Jun 01; 188():157-68. PubMed ID: 2673507.
    Abstract:
    The structure of the capsular polysaccharide from Escherichia coli O9:K55 (N 24c) has been studied, using methylation analysis, degradation by bacteriophage, and n.m.r. spectroscopy. Depolymerisation of the K55 polysaccharide, using the lyase enzyme borne by Klebsiella phi 5, yielded a tri- and a hexa-saccharide, analysis of which indicated the following repeating unit. (formula; see text) This structure differs from that for the repeating unit of the capsular polysaccharide of Klebsiella K5 only in the position of acetylation (position 2 of the glucose residue).
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