Structure of the O-polysaccharide of Pragia fontium 27480 containing 2,3-diacetamido-2,3-dideoxy-d-mannuronic acid |
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| Authors: | Valueva Olga A Zdorovenko Evelina L Kachala Vadim V Varbanets Liudmyla D Arbatsky Nikolay P Shubchynskyy Vladimir V Shashkov Alexander S Knirel Yuriy A |
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| Institution: | N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia. olga.valueva@gmail.com |
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| 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 (1)H and (13)C 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. |
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