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  • Title: Somatic antigens of Shigella: structure of the O-specific polysaccharide chain of the Shigella dysenteriae type 7 lipopolysaccharide.
    Author: Knirel YA, Dashunin VV, Shashkov AS, Kochetkov NK, Dmitriev BA, Hofman IL.
    Journal: Carbohydr Res; 1988 Aug 15; 179():51-60. PubMed ID: 2463086.
    Abstract:
    4-(N-Acetylglycyl)amino-4,6-dideoxy-D-glucose has been identified as a component of the Shigella dysenteriae type 7 O-specific polysaccharide, in addition to the previously reported 2-acetamido-2-deoxy-D-glucose and 2-acetamido-2-deoxy-D-galacturonic acid. On the basis of selective cleavage with anhydrous hydrogen fluoride and analysis by 1H- and 13C-n.m.r. spectroscopy and f.a.b.-mass spectrometry, it was concluded that the tetrasaccharide repeating-unit of the polysaccharide has the following structure: (structure; see text) where D-GalNAcAN is 2-acetamido-2-deoxy-D-galacturonamide and D-Qui4N is 4-amino-4,6-dideoxy-D-glucose.
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