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The structure of the O-polysaccharide from the lipopolysaccharide of Providencia stuartii O47 |
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| Authors: | Ovchinnikova Olga G Kocharova Nina A Bakinovskiy Leon V Torzewska Agnieszka Shashkov Alexander S Knirel Yuriy A Rozalski Antoni |
| Institution: | ND Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russian Federation. olgao@hotmail.ru |
| Abstract: | The O-polysaccharide was obtained by mild acid degradation of the lipopolysaccharide of Providencia stuartii O47:H4, strain 3646/51. Studies by sugar and methylation analyses along with Smith degradation and 1H and 13C NMR spectroscopy, including two-dimensional 1H,1H COSY, TOCSY, ROESY and H-detected 1H,13C HSQC and HMBC experiments, showed that the polysaccharide has a branched hexasaccharide repeating unit with the following structure: carbohydrate structure: see text] |
| Keywords: | Providencia stuartii O-Antigen Lipopolysaccharide Polysaccharide structure |
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