Haseley SR, Wilkinson SG Structural studies of the putative O-specific polysaccharide of Acinetobacter baumannii O24 containing 5,7-diamino-3,5,7,9-tetradeoxy-L-glycero-D-galacto-nonulosonic acid European Journal of Biochemistry250 (1997)
617-623
The structure was elucidated in this paper NCBI PubMed ID:9428717 Publication DOI:10.1111/j.1432-1033.1997.0617a.x Journal NLM ID:0107600 Publisher: Oxford, UK: Blackwell Science Ltd. on behalf of the Federation of European Biochemical Societies Correspondence: S.G.Wilkinsonchem.hull.ac.uk Institutions: School of Chemistry, University of Hull, England., School of Chemistry, University of Hull, England
A polysaccharide containing D-GlcN, 2-amino-2,6-dideoxy-L-galactose (L-FucN), and 7-acetamido-5-acylamino-3,5,7,9-tetradeoxy-L-glycero-D-galacto-nonulo sonic acid (LegAX), in which the acyl group (X) is either S-3-hydroxybutyryl (50%) or acetyl (50%), was isolated by mild acid hydrolysis treatment, followed by gel-permeation chromatography, of the water-soluble lipopolysaccharide from Acinetobacter baumannii serogroup O24. The polysaccharide, characterised by means of monosaccharide analyses, partial acid hydrolysis, methylation analysis and NMR studies, was shown to have a linear tetrasaccharide repeating unit, as depicted below. Serological tests indicated that the polymer corresponded to the O24 antigen. [→6)-α-D-GlcpNAc-(1→3)-α-L-FucpNAc-(1→3)-α-D-Glcp NAc-(1→4)-β-LegpAX-(1→].
Lipopolysaccharide, O antigen, Acinetobacter baumannii, structural studies
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