The structure of the Pneumococcus type-19 (19F) capsular polysaccharide has been reinvestigated using nmr spectroscopy. It is composed of residues of 2-acetamido-2-deoxy-D-mannose, D-glucose, L-rhamnose, and phosphate in the molar ratio of 1:1:1:1. The polysaccharide is linear and is composed of the above components in a repeating unit of the following structure:→ 4)-β-D-ManNAcp-(1 → 4)-α-D-Glcp-(1→ 2)-α-L-Rhap-(1-PO4−)→.

• Compound ID: 815
  

  -4)-b-D-ManpNAc-(1-4)-a-D-Glcp-(1-2)-a-L-Rhap-(1-P-

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  Structure type: polymer chemical repeating unit
  Trivial name: poly(glycosyl phosphate)
  Compound class: CPS
  Reference(s) to other database(s): GTC:G04354CY, GlycomeDB:15551
  
   
  
  Streptococcus pneumoniae 19F
  CSDB ID 112185 (all data & tools)