Bacterial antigen polysaccharides. 43. Structure for the O-specific polysaccharide of Providencia alcalifaciens O46

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作者
O. G. Ovchinnikova
N. A. Kocharova
A. S. Shashkov
Yu. A. Knirel
A. Rozalski
机构
[1] Russian Academy of Sciences,N.D. Zelinsky Institute of Organic Chemistry
[2] University of Lodz,Department of Immunology of Bacteria, Institute of Microbiology and Immunology
关键词
Providencia alcalifaciens; O-antigen; O-specific polysaccharide; structure; NMR spectroscopy;
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摘要
Acidic O-specific polysaccharide containing D-glucose, D-glucuronic acid, L-fucose, and 2-acetamido-2-deoxy-D-glucose was obtained by mild acid degradation of lipopolysaccharide from Providencia alcalifaciens O46. The following structure of the hexasaccharide repeating unit of the O-specific polysaccharide was established using methylation analysis along with 1H and 13C NMR spectroscopy, including 2D 1H, 1H-COSY, TOCSY, ROESY, 1H, 13C-HSQC, and HMQC-TOCSY experiments: [graphic not available: see fulltext]
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页码:370 / 375
页数:5
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