Taxonomic group: bacteria / Proteobacteria
(Phylum: Proteobacteria)
Associated disease: infection due to Escherichia coli [ICD11:
XN6P4 
]
The structure was elucidated in this paperNCBI PubMed ID: 2189554Publication DOI: 10.1016/0008-6215(90)84142-hJournal NLM ID: 0043535Publisher: Elsevier
Institutions: Max-Planck-Institut für Immunbiologie, Freiburg-Zähringen, F.R.G.
The K16-antigen from E. coli Rk 21510 (O7:K16:H-) is shown to consist of the repeating unit →2)-β-D-Ribf-(1→3)-β-D-Ribf-(1→5)-α-Kdop-(2→ of which approximately 33% is O-acetylated at position 3 of the 2-linked ribose.
Structure type: polymer chemical repeating unit
Location inside paper: table I, p.201, structure 2
Compound class: K-antigen
Contained glycoepitopes: IEDB_130650,IEDB_149136
Methods: 13C NMR, 1H NMR, periodate oxidation, GLC-MS, deacetylation, methylation (Hakomori method)
Comments, role: deacetylated K16 polysaccharide from E. coli RK 21510 (07:K16:H6)
Related record ID(s): 2622, 2623, 115854
NCBI Taxonomy refs (TaxIDs): 562Reference(s) to other database(s): GTC:G45186LH, GlycomeDB:
5901
Show glycosyltransferases
NMR conditions: in D2O at 306(C) K
[as TSV]
13C NMR data:
Linkage Residue C1 C2 C3 C4 C5 C6 C7 C8
5,3 bDRibf 106.8 76.5 69.8 83.5 61.4-62.1
5 bDRibf 109.2 74.9 78.0 81.5 61.4-62.1
aXKdop 174.9 100.3 35.3 67.1 74.0 71.5 69.6 63.5
1H NMR data:
missing...
13C NMR data:
| Linkage | Residue | C1 | C2 | C3 | C4 | C5 | C6 | C7 | C8 |
|---|
| 5,3 | bDRibf | 106.8 | 76.5 | 69.8 | 83.5 | 61.4
62.1 | |
| 5 | bDRibf | 109.2 | 74.9 | 78.0 | 81.5 | 61.4
62.1 | |
| | aXKdop | 174.9 | 100.3 | 35.3 | 67.1 | 74.0 | 71.5 | 69.6 | 63.5 |
|
There is only one chemically distinct structure:
Found 
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