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Taxonomic group: bacteria / Proteobacteria (Phylum: Proteobacteria)
Associated disease: infection due to Escherichia coli [ICD11: XN6P4

]

The structure was elucidated in this paper
NCBI PubMed ID: 2199040
Publication DOI: 10.1016/0008-6215(90)84211-c
Journal NLM ID: 0043535
Publisher: Elsevier
Institutions: Department of Chemistry, University of British Columbia, Vancouver, Canada

The structure of the capsular antigen of E. coli K26 has been found by a combination of chemical and spectroscopic techniques to be of the "5 + 1" type shown. An important step was the simultaneous separation and identification of a mixture of neutral and acidic oligosaccharides by GLC-CI-MS.

Structure type: polymer chemical repeating unit
Compound class: CPS, K-antigen
Contained glycoepitopes: IEDB_115136,IEDB_136044,IEDB_136105,IEDB_137472,IEDB_140630,IEDB_141794,IEDB_190606,IEDB_225177,IEDB_423153,IEDB_885823,SB_165,SB_166,SB_187,SB_195,SB_7,SB_88

Methods: methylation, GLC-MS, NMR, CI-MS

NCBI Taxonomy refs (TaxIDs): 562
Show glycosyltransferases

There is only one chemically distinct structure:

*O[C@@H]1[C@@H](O)[C@H](C)O[C@@H](O[C@H]2[C@@H](O)[C@@H](CO)O[C@@H](O[C@H]3[C@H](O[C@@H]4O[C@@H](C)[C@@H]5OC(C)(C(=O)O)O[C@H]5[C@H]4O)[C@@H](C(=O)O)O[C@@H](O[C@@H]4[C@@H](O)[C@H](C)O[C@@H](O[C@H]5[C@@H](O)[C@H](*)O[C@@H](C)[C@@H]5O)[C@@H]4O)[C@@H]3O)[C@@H]2O)[C@@H]1O

SVG MW SMILES 3D mol Ionize