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1. (Article ID: 11)
Beynon LM, Richards JC, Perry MB
Identification of the common antigenic determinant shared by Streptococcus pneumoniae serotypes 35A and 20 capsular polysaccharides - Structural analysis of the Streptococcus pneumoniae serotype 35A capsular polysaccharide
European Journal of Biochemistry 250(1) (1997)
163-167
The specific polysaccharide antigen of Streptococcus pneumoniae serotype 35A was shown, by a combination of one- and two-dimensional NMR methods and chemical analyses, to be a high-molecular-mass polymer composed of D-galactose, D-glucose, mannitol, and phosphate (3:1:1:1). The pentasaccharide repeating unit is polymerized through phosphate diester linkages to give the structure, [formula in text] O-Acetyl substituents are present at positions 5 and 6 of the 3)-β-D-Galf residue and at position 2 of the 6)-β-D-Galf residue. The capsular polysaccharides of S. pneumoniae serotypes 20 and 35A both contain the disaccharide unit →3)-β-D-Galf-(1→3)-β-D-Glcp-(1→ which is the probable structural determinant responsible for the serological cross reactivity of the two polysaccharides
structure, Streptococcus pneumoniae, antigenic determinant, capsular polysaccharides
NCBI PubMed ID: 9432005Publication DOI: 10.1111/j.1432-1033.1997.00163.xJournal NLM ID: 0107600Publisher: Oxford, UK: Blackwell Science Ltd. on behalf of the Federation of European Biochemical Societies
Institutions: Institute for Biological Sciences, National Research Council of Canada, Ottawa ON
Methods: FAB-MS, GC-MS, GC-EI-MS, NMR, HF solvolysis, de-O-acylation
The publication contains the following compound(s):
- Compound ID: 30
|
-3)-b-D-Galp-(1-3)-b-D-Galf5Ac6Ac-(1-3)-b-D-Glcp-(1-6)-b-D-Galf2Ac-(1-1)-D-Man-ol-(6-P- |
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Structure type: polymer chemical repeating unit
Compound class: CPS
Reference(s) to other database(s): GTC:G33101LK, GlycomeDB:
25435
- Compound ID: 31
|
-3)-b-D-Galp-(1-3)-b-D-Galf-(1-3)-b-D-Glcp-(1-6)-b-D-Galf-(1-1)-D-Man-ol-(6-P- |
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Structure type: polymer chemical repeating unit
Compound class: CPS
Reference(s) to other database(s): GTC:G54845HY, GlycomeDB:
25518
- Compound ID: 32
|
b-D-Galf-(1-4)-+
|
-6)-a-D-Glcp-(1-6)-b-D-Glcp-(1-3)-b-D-Galf-(1-3)-b-D-Glcp-(1-3)-a-D-GlcpNAc-(1-P- |
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Structure type: polymer chemical repeating unit
Compound class: CPS
Reference(s) to other database(s): GTC:G35314XD, GlycomeDB:
16877
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