Structure of the O-specific polysaccharide from Shewanella japonica KMM 3601 containing 5,7-diacetamido-3,5,7,9-tetradeoxy-d-glycero-d-talo-non-2-ulosonic acid

Structure of the O-specific polysaccharide chain of the lipopolysaccharide (LPS) of Shewanella japonica KMM 3601 was elucidated. The initial and O-deacylated LPS as well as a trisaccharide representing the O-deacetylated repeating unit of the O-specific polysaccharide were studied by sugar analysis...

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Bibliographic Details
Published in:Biochemistry (Moscow) Vol. 76; no. 7; pp. 791 - 796
Main Authors: Nazarenko, E. L., Perepelov, A. V., Shevchenko, L. S., Daeva, E. D., Ivanova, E. P., Shashkov, A. S., Widmalm, G.
Format: Journal Article
Language:English
Published: Dordrecht SP MAIK Nauka/Interperiodica 01-07-2011
Springer
Springer Nature B.V
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Summary:Structure of the O-specific polysaccharide chain of the lipopolysaccharide (LPS) of Shewanella japonica KMM 3601 was elucidated. The initial and O-deacylated LPS as well as a trisaccharide representing the O-deacetylated repeating unit of the O-specific polysaccharide were studied by sugar analysis along with 1 H and 13 C NMR spectroscopy. The polysaccharide was found to contain a rare higher sugar, 5,7-diacetamido-3,5,7,9-tetradeoxy- d - glycero - d - talo -non-2-ulosonic acid (a derivative of 4-epilegionaminic acid, 4eLeg). The following structure of the trisaccharide repeating unit was established: →4)-α-4eLeg p 5Ac7Ac-(2→4)-β- d -Glc p A3Ac-(1→3)-β- d -Gal p NAc-(1→.
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ISSN:0006-2979
1608-3040
1608-3040
DOI:10.1134/S0006297911070091