Taxonomic group: bacteria / Firmicutes
(Phylum: Firmicutes)
Associated disease: infection due to Streptococcus pneumoniae [ICD11:
XN3PW 
]
The structure was elucidated in this paperNCBI PubMed ID: 1802383Journal NLM ID: 0043535Publisher: Elsevier
Institutions: Chemistry Division, National Institute for Biological Standards & Control, Hertfordshire, Great Britain
The 1H-n.m.r. spectra of the Streptococcus pneumoniae type 9V (S68 in American nomenclature) capsular polysaccharide (PS) and its O-deacetylated derivative [which is structurally identical to the S. pneumoniae type 9A (S33) PS] were assigned using COSY, relayed-COSY, and 2D-NOESY experiments. The positions of the OAc groups in the α-GlcA, β-ManNAc, and α-Glc residues of the native 9V PS were established using 2D-n.m.r. and chemical shift arguments, and the relative proportions of different O-acetylated species were estimated by integration of well-resolved 1H-n.m.r. signals. The locations of the OAc substituents differ from those previously reported. [formula: see text].
Structure type: polymer chemical repeating unit
Location inside paper: abstract, p.183, structure 2
Compound class: CPS
Contained glycoepitopes: IEDB_115136,IEDB_136906,IEDB_137472,IEDB_140630,IEDB_141794,IEDB_142488,IEDB_144998,IEDB_146664,IEDB_151528,IEDB_190606,IEDB_885813,IEDB_983931,SB_192,SB_61,SB_7
Methods: 1H NMR
Comments, role: native CPS
Related record ID(s): 116320
NCBI Taxonomy refs (TaxIDs): 1313Reference(s) to other database(s): GTC:G06247CS, GlycomeDB:
6076
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There is only one chemically distinct structure:
Found 
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