Structural characterization of the serotype O:5 O-polysaccharide antigen of the lipopolysaccharide of Escherichia coli O:5

被引：0
|
作者：
MacLean, LL [1 ]
Perry, MB [1 ]
机构：
[1] NATL RES COUNCIL CANADA,INST BIOL SCI,OTTAWA,ON K1A 0R6,CANADA
来源：
BIOCHEMISTRY AND CELL BIOLOGY-BIOCHIMIE ET BIOLOGIE CELLULAIRE | 1997年 / 75卷 / 03期
关键词：
Escherichia coli; lipopolysaccharide; polysaccharide; O antigen; NMR;
D O I：
暂无
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The structure of the antigenic O-polysaccharide component of the smooth lipopolysaccharide produced by Escherichia coli serotype O:5 was investigated by composition, methylation, and periodate oxidation methods, and by 1D and 2D nuclear magnetic resonance spectroscopy. The antigenic O-chain was determined to be a high molecular weight polysaccharide composed of repeating tetrasaccharide units containing 2-acetamido-2-deoxy-D-galactose, D-galactose, D-ribose, and 3-acetamido-3,6-dideoxy-D-glucose and having the structure -[-4)-beta-D-Galp-(1-3)-alpha-D-GalpNAc-(1-4)-beta-D-Quinp3NAc-(1-3)-beta-D-Ribf-(1-]-.
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页码：199 / 205
页数：7
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