Structural Studies of the O-specific Side Chain of the Lipopolysaccharide from Escherichia Coli O:7

Overview

Journal Carbohydr Res

Publisher Elsevier

Specialties Biochemistry
Endocrinology

Date 1984 Mar 15

PMID 6370430

Citations 20

Authors

V L Lvov

A S Shashkov

B A DMITRIEV

N K Kochetkov

B JANN

K Jann

Affiliations

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Abstract

The structure of the O-specific side-chain of the lipopolysaccharide from Escherichia coli O:7 has been investigated, using n.m.r. spectroscopy, methylation analysis, partial hydrolysis, and Smith degradation as the principal methods. It is concluded that the polysaccharide is constructed of repeating pentasaccharide units having the structure (formula; see text) where D-QuipNAc stands for 4-acetamido-4,6-dideoxy-D-glucopyranose. The 13C-n.m.r. spectrum of the polysaccharide has been interpreted completely.

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