Structure of the O-polysaccharide of Escherichia coli O112ab containing L-iduronic acid.
作者信息
Perepelov Andrei V, Liu Bin, Senchenkova Sof'ya N, Shashkov Alexander S, Feng Lu, Knirel Yuriy A, Wang Lei
机构信息
N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russian Federation.
出版信息
Carbohydr Res. 2008 Feb 25;343(3):571-5. doi: 10.1016/j.carres.2007.10.013. Epub 2007 Oct 24.
PMID:18062946
Abstract
An acidic O-polysaccharide was isolated by mild acid degradation of the lipopolysaccharide of Escherichia coli O112ab and studied by sugar analysis along with (1)H and (13)C NMR spectroscopy. The O-polysaccharide was found to contain a rarely occurring sugar component, L-iduronic acid (L-IdoA), and the following structure of the branched pentasaccharide repeating unit was established: [structure: see text].
摘要
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