Structure of a lactic acid ether-containing and glycerol phosphate-containing O-polysaccharide from Proteus mirabilis O40.


An O-polysaccharide was isolated by mild acid hydrolysis from the lipopolysaccharide of Proteus mirabilis O40 and studied by NMR spectroscopy, including 2D 1H, 1H COSY, TOCSY, ROESY, and 1H, 13C HMQC experiments, along with chemical methods. The polysaccharide was found to contain an ether of GlcNAc with lactic acid and glycerol phosphate in the main chain… (More)


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