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  • Title: Structure of the capsular polysaccharide from Streptococcus pneumoniae type 23.
    Author: Roy A, Roy N.
    Journal: Carbohydr Res; 1984 Mar 15; 126(2):271-7. PubMed ID: 6713435.
    Abstract:
    The capsular polysaccharide from Streptococcus pneumoniae Type 23 (S-23) was found to contain D-galactose, D-glucose, L-rhamnose, glycerol, and phosphorus in the ratios of 1:1:2:0.6:1. Methylation analysis provided information about the linkages of the different sugar units. The sequence of the different sugar residues was confirmed by Smith degradation. Oxidation of S-23 with chromium trioxide indicated that all of the sugar units have the beta configuration. The results suggest the following structure for the repeating unit. (formula; see text)
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