Structure of the O-specific polysaccharide of Citrobacter freundii O3a,3b,1c |
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Authors: | NA Kocharova SA Borisova GV Zatonsky AS Shashkov YA Knirel EV Kholodkova ES Staniskavsky |
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Affiliation: | N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation. |
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Abstract: | The following structure of the O-specific polysaccharide of Citrobacter freundii O3a,3b,1c containing D-mannose and D-rhamnose was established using sugar analysis and NMR spectroscopy, including computer-assisted analysis of the 13C NMR spectrum, 2D COSY, H,H-relayed COSY, heteronuclear 13C, 1H correlation (HETCOR), and rotating-frame NOE spectroscopy (ROESY):-->4)-alpha-D-Manp-(1-->3)-beta-D-Rhap-(1-->4) -beta-D-Rhap-(1-->. |
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