Taxonomic group: bacteria / Firmicutes
(Phylum: Firmicutes)
Associated disease: infection due to Streptococcus pneumoniae [ICD11:
XN3PW 
]
The structure was elucidated in this paperNCBI PubMed ID: 2162257Publication DOI: 10.1016/0008-6215(90)84277-2Journal NLM ID: 0043535Publisher: Elsevier
Institutions: Department of Organic Chemistry, Arrhenius Laboratory, University of Stockholm, Sweden.
Application of methylation analysis, specific degradations, and n.m.r. spectroscopy to the capsular polysaccharide elaborated by Streptococcus pneumoniae type 7A indicates a hexasaccharide repeating-unit with the structure (Formula; see text).
Structure type: oligomer
Location inside paper: p.69, p.72, table III
Compound class: CPS
Contained glycoepitopes: IEDB_130648,IEDB_137473
Methods: 13C NMR, 1H NMR, GLC-MS, partial acid hydrolysis, Smith degradation, de-O-acetylation, methylation (Hakomori method)
Comments, role: Smith degradation of the O-deacetylated CPS
Related record ID(s): 2624, 2626, 2627, 2628, 115860
NCBI Taxonomy refs (TaxIDs): 1313Reference(s) to other database(s): GTC:G07196VJ, GlycomeDB:
16860
Show glycosyltransferases
NMR conditions: in D2O at 343(H) K
[as TSV]
13C NMR data:
missing...
1H NMR data:
Linkage Residue H1 H2 H3 H4 H5 H6
1,2 Ac
1 bDGalpN 4.52 3.90 5.21 5.30 3.85 4.09-4.09
x?Gro 3.62-3.81 5.12 4.01-4.31
1H NMR data:
| Linkage | Residue | H1 | H2 | H3 | H4 | H5 | H6 |
|---|
| 1,2 | Ac | |
| 1 | bDGalpN | 4.52 | 3.90 | 5.21 | 5.30 | 3.85 | 4.09
4.09 |
| | x?Gro | 3.62
3.81 | 5.12 | 4.01
4.31 | |
|
There is only one chemically distinct structure:
Found 
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