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  • Title: Structure of the O-specific polysaccharide of Proteus penneri strain 25 containing N-(L-alanyl) and multiple O-acetyl groups in a tetrasaccharide repeating unit.
    Author: Arbatsky NP, Shashkov AS, Widmalm G, Knirel YA, Zych K, Sidorczyk Z.
    Journal: Carbohydr Res; 1997 Mar 05; 298(3):229-35. PubMed ID: 9090817.
    Abstract:
    Based on sugar and methylation analyses, O-deacetylation, Smith degradation, and 1H and 13C NMR spectroscopy, including 2D COSY, 1H-detected 1H, 13C heteronuclear single-quantum coherence (HSQC), and 1H-detected 1H, 13C heteronuclear multiple-bond connectivity (HMBC) experiments, the following structure of the O-specific polysaccharide of Proteus penneri strain 25 was established: [formula: see text] where D-GlcN(L-Ala) is 2-(L-alanylamido)-2-deoxy-D-glucose.
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