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  • Title: [Structure of the repeating link of the acid polysaccharide of Alteromonas haloplanktis KMM 156].
    Author: Gorshkova RP, Nazarenko EL, Zubkov VA, Ivanova EP, Ovodov IuS, Shashkov AS, Knirel' IuA.
    Journal: Bioorg Khim; 1993 Mar; 19(3):327-36. PubMed ID: 8489533.
    Abstract:
    An acidic capsular and an O-specific polysaccharide were isolated from the marine microorganism Alteromonas haloplanktis KMM 156. Both polysaccharides have the identical structure and are built up of tetrasaccharide repeating units, containing two residues of L-rhamnose as well as a 2-acetamido-2-deoxy-D-glucose and a 3-O-[(R)-1-carboxyethyl]-D-glucose (Glc3Lac) residue. On the basis of methylation studies, 1H- and 13C-NMR-spectroscopy including nuclear Overhauser effect and two-dimensional heteronuclear 13C/1H correlation spectroscopy, the following structure was suggested for the polysaccharide repeating unit: [formula: see text]
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