Taxonomic group: bacteria / Proteobacteria
(Phylum: Proteobacteria)
Associated disease: infection due to Escherichia coli [ICD11:
XN6P4 
]
The structure was elucidated in this paperNCBI PubMed ID: 1473104Publication DOI: 10.1016/0008-6215(92)80089-JJournal NLM ID: 0043535Publisher: Elsevier
Institutions: School of Pharmaceutical Sciences, Rhodes University, Grahamstown, South Africa
The annexed structure of the capsular polysaccharide of Escherichia coli O9:K35:H- (A104a) has been determined by glycose and methylation analysis, base-catalysed degradation, and 1D and 2D NMR spectroscopy on the polysaccharide and the products obtained by bacteriophage-mediated depolymerisation. [formula: see text]
Structure type: polymer chemical repeating unit
Location inside paper: p.215, structure 4 (PS)
Compound class: K-antigen
Contained glycoepitopes: IEDB_115136,IEDB_1334432,IEDB_1334433,IEDB_1334434,IEDB_1334435,IEDB_136044,IEDB_137472,IEDB_137485,IEDB_140630,IEDB_141794,IEDB_142488,IEDB_144983,IEDB_144998,IEDB_146664,IEDB_152206,IEDB_153755,IEDB_190606,IEDB_983930,IEDB_983931,SB_165,SB_166,SB_187,SB_192,SB_195,SB_44,SB_7,SB_72,SB_88
Methods: 13C NMR, 1H NMR, methylation, GLC-MS, NMR-2D, GLC, GPC, uronic acid degradation
Comments, role: E. coli O9:K35:H- (A104a).
NCBI Taxonomy refs (TaxIDs): 562Reference(s) to other database(s): GTC:G05861BV, GlycomeDB:
6295
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
3,4,3,4 bDGalp 4.49 3.58 3.67 3.97 3.74 ?
3,4,3 aDGlcpA 5.23 3.65 3.98 3.91 4.51 -
3,4 bDManp 4.79 4.24 3.88 4.12 3.61 3.88-4.03
3 aDGlcp 5.30 3.64 3.92 3.70 4.07 3.76-3.84
bDGlcp 4.55 3.39 3.67 3.58 3.58 3.77-3.99
1H NMR data:
| Linkage | Residue | H1 | H2 | H3 | H4 | H5 | H6 |
| 3,4,3,4 | bDGalp | 4.49 | 3.58 | 3.67 | 3.97 | 3.74 | ? |
| 3,4,3 | aDGlcpA | 5.23 | 3.65 | 3.98 | 3.91 | 4.51 |
|
| 3,4 | bDManp | 4.79 | 4.24 | 3.88 | 4.12 | 3.61 | 3.88 4.03 |
| 3 | aDGlcp | 5.30 | 3.64 | 3.92 | 3.70 | 4.07 | 3.76 3.84 |
| | bDGlcp | 4.55 | 3.39 | 3.67 | 3.58 | 3.58 | 3.77 3.99 |
|
There is only one chemically distinct structure: