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Structure of the O-polysaccharide of Pragia fontium 27480 containing 2,3-diacetamido-2,3-dideoxy-d-mannuronic acid
Authors:Olga A Valueva  Evelina L Zdorovenko  Vadim V Kachala  Liudmyla D Varbanets  Nikolay P Arbatsky  Vladimir V Shubchynskyy  Alexander S Shashkov  Yuriy A Knirel
Institution:aN.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia;bD.K. Zabolotny Insitute of Microbiology and Virology, National Academy of Sciences, 03143 Kiev, Ukraine
Abstract:The following structure of the O-polysaccharide of Pragia fontium 27480 was elucidated by sugar analysis, including determination of the absolute configurations of the monosaccharides, and Smith degradation along with 1D and 2D 1H and 13C NMR spectroscopy:→4)-β-d-ManpNAc3NAcA-(1→2)-α-l-Rhap-(1→3)-β-l-Rhap-(1→4)-α-d-GlcpNAc-(1→where ManNAc3NAcA stands for 2,3-diacetamido-2,3-dideoxymannuronic acid.
Keywords:Lipopolysaccharide  O-Antigen  Bacterial polysaccharide structure  2  3-Diacetamido-2  d-mannuronic acid" target="_blank">3-dideoxy-d-mannuronic acid  Pragia fontium
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