title: Structural investigation of the capsular polysaccharide of Klebsiella serotype K44.
abstract: The capsular polysaccharide from Klebsiella K44 has been investigated by the techniques of methylation, base-catalyzed elimination, Smith degradation, and partial hydrolysis. The last-named yielded an oligosaccharide corresponding to one repeating unit. The anomeric configurations of the sugar residues were determined by 1H- and 13C-n.m.r. spectroscopy. The polysaccharide has a fractional acetyl content and is the first in this series to be based on a linear, pentasaccharide repeating unit. leads to 3)-beta-D-Glcp-(1 leads to 4)-alpha-D-Glcp-(1 leads to 4)-beta-D-GlcpA-(1 leads to 2)-alpha-L-Rhap-(1 leads to 3)-alpha-L-Rhap-(1 leads to.
mesh_terms: D002236:Carbohydrate Conformation; D002240:Carbohydrate Sequence; D007709:Klebsiella / Q000276:immunology*; D009682:Magnetic Resonance Spectroscopy; D008745:Methylation; D009844:Oligosaccharides / Q000032:analysis; D011135:Polysaccharides, Bacterial; D014574:Uronic Acids / Q000032:analysis
chemical_list: D009844:Oligosaccharides; D011135:Polysaccharides, Bacterial; D014574:Uronic Acids