Taxonomic group: bacteria / Proteobacteria
(Phylum: Proteobacteria)
Associated disease: infection due to Escherichia coli [ICD11:
XN6P4 
]
The structure was elucidated in this paperNCBI PubMed ID: 8901274Publication DOI: 10.1016/0008-6215(95)00411-4Journal NLM ID: 0043535Publisher: Elsevier
Institutions: Max-Planck-Institut fur Immunbiologie, Stubeweg 51, D-79108 Freiburg, Germany
Escherichia coli, NMR spectroscopy, O88 polysaccharide, 6-Deoxy-l-talopyranose
Structure type: suggested polymer biological repeating unit
Location inside paper: p.226
Compound class: O-polysaccharide, O-antigen
Contained glycoepitopes: IEDB_130701,IEDB_135813,IEDB_137340,IEDB_141807,IEDB_144983,IEDB_151531,IEDB_152206,IEDB_164174,IEDB_983930,SB_197,SB_44,SB_67,SB_72
Methods: 13C NMR, 1H NMR
Comments, role: a small amount of O-acetyl group is present at position 2 of 3,4-disubstituted mannose; chemical repeat frame is different in the paper; NMR data for the O-deacetylated O88 OPS.
Related record ID(s): 20668
NCBI Taxonomy refs (TaxIDs): 562Reference(s) to other database(s): GTC:G93015KU, GlycomeDB:
28116
Show glycosyltransferases
NMR conditions: in D2O at 338 K
[as TSV]
13C NMR data:
Linkage Residue C1 C2 C3 C4 C5 C6
3,3,3 aL6dTalp 98.4 71.2 66.9 73.7 68.5 16.8
3,3 aDManp 102.9 67.8 74.1 73.0 74.1 61.7
3 aDManp 101.9 71.2 79.3 67.0 74.7 62.1
2 Ac 175.1 23.6
bDGlcpN 102.0 55.9 80.8 73.0 77.1 62.8
1H NMR data:
Linkage Residue H1 H2 H3 H4 H5 H6
3,3,3 aL6dTalp 5.05 3.88 4.05 3.77 4.51 1.30
3,3 aDManp 5.14 4.24 4.05 3.99 3.80 3.82
3 aDManp 5.25 4.11 3.86 3.83 3.61 3.83
2 Ac
bDGlcpN 4.54 3.74 3.74 3.40 3.44 3.61-3.96
1H/13C HSQC data:
Linkage Residue C1/H1 C2/H2 C3/H3 C4/H4 C5/H5 C6/H6
3,3,3 aL6dTalp 98.4/5.05 71.2/3.88 66.9/4.05 73.7/3.77 68.5/4.51 16.8/1.30
3,3 aDManp 102.9/5.14 67.8/4.24 74.1/4.05 73.0/3.99 74.1/3.80 61.7/3.82
3 aDManp 101.9/5.25 71.2/4.11 79.3/3.86 67.0/3.83 74.7/3.61 62.1/3.83
2 Ac NMR TSV error 2: unequal length of 13C and 1H datasets
bDGlcpN 102.0/4.54 55.9/3.74 80.8/3.74 73.0/3.40 77.1/3.44 62.8/3.61-3.96
1H NMR data:
| Linkage | Residue | H1 | H2 | H3 | H4 | H5 | H6 |
|---|
| 3,3,3 | aL6dTalp | 5.05 | 3.88 | 4.05 | 3.77 | 4.51 | 1.30 |
| 3,3 | aDManp | 5.14 | 4.24 | 4.05 | 3.99 | 3.80 | 3.82 |
| 3 | aDManp | 5.25 | 4.11 | 3.86 | 3.83 | 3.61 | 3.83 |
| 2 | Ac | |
| | bDGlcpN | 4.54 | 3.74 | 3.74 | 3.40 | 3.44 | 3.61
3.96 |
|
13C NMR data:
| Linkage | Residue | C1 | C2 | C3 | C4 | C5 | C6 |
|---|
| 3,3,3 | aL6dTalp | 98.4 | 71.2 | 66.9 | 73.7 | 68.5 | 16.8 |
| 3,3 | aDManp | 102.9 | 67.8 | 74.1 | 73.0 | 74.1 | 61.7 |
| 3 | aDManp | 101.9 | 71.2 | 79.3 | 67.0 | 74.7 | 62.1 |
| 2 | Ac | 175.1 | 23.6 | |
| | bDGlcpN | 102.0 | 55.9 | 80.8 | 73.0 | 77.1 | 62.8 |
|
There is only one chemically distinct structure:
Found 
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