Structure of an acidic polysaccharide present in the bacteriolytic complex lysoamidase

The structure of an acidic polysaccharide component of a bacteriolytic complex (lysoamidase), isolated from a bacterium of the genus Xanthomonas, was studied. On the basis of sugar analysis and one- and two-dimensional 1H and 13C NMR spectroscopic study of the initial polysaccharide and its O-deacet...

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Bibliographic Details
Published in:FEBS letters 1995-07, Vol.368 (1), p.113-116
Main Authors: Likhosherstov, Leonid M., Senchenkova, Sofya N., Knirel, Yuriy A., Shashkov, Alexander S., Shibaev, Vladimir N., Stepnaya, Olga A., Kulaev, Igor S.
Format: Article
Language:English
Subjects:
2-Acetamido-2-deoxyhexuronic acid
Bacterial polysaccharide
Bacteriolytic enzymatic complex
Carbohydrate Conformation
Carbohydrate Sequence
Lysoamidase
Magnetic Resonance Spectroscopy
Molecular Sequence Data
Peptide Hydrolases - chemistry
Polysaccharide structure
Polysaccharides - chemistry
Xanthomonas
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Summary:The structure of an acidic polysaccharide component of a bacteriolytic complex (lysoamidase), isolated from a bacterium of the genus Xanthomonas, was studied. On the basis of sugar analysis and one- and two-dimensional 1H and 13C NMR spectroscopic study of the initial polysaccharide and its O-deacetylated and carboxyl-reduced derivatives, the following structure of the trisaccharide repeating unit of the polysaccharide was established ▪ where ManNAcA and GalNAcA are 2-acetamido-2-deoxymannuronic acid and 2-acetamido-2-deoxygalacturonic acid, respectively.
ISSN:0014-5793
1873-3468
DOI:10.1016/0014-5793(95)00612-D