Taxonomic group: bacteria / Proteobacteria
(Phylum: Proteobacteria)
Associated disease: infection due to Escherichia coli [ICD11:
XN6P4 
]
The structure was elucidated in this paperNCBI PubMed ID: 9660194Publication DOI: 10.1046/j.1432-1327.1998.2540378.xJournal NLM ID: 0107600Publisher: Oxford, UK: Blackwell Science Ltd. on behalf of the Federation of European Biochemical Societies
Correspondence: G. Widmalm <gw
organ.su.se>
Institutions: Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, Stockholm, Sweden
Lipopolysaccharide, NMR, structure, structural, polysaccharide, O-antigen, Escherichia, Escherichia coli, O-antigenic, O-antigenic polysaccharide, structural studies
Structure type: suggested polymer biological repeating unit
Location inside paper: Abstract
Compound class: O-polysaccharide, O-antigen
Contained glycoepitopes: IEDB_133754,IEDB_136105,IEDB_137340,IEDB_141807,IEDB_142488,IEDB_146664,IEDB_151531,IEDB_225177,IEDB_885823,IEDB_983931,SB_192
Methods: methylation, NMR
Comments, role: chemical repeat frame is different in the paper
Related record ID(s): 4172, 20705
NCBI Taxonomy refs (TaxIDs): 2079154Reference(s) to other database(s): GTC:G99521UJ, GlycomeDB:
28136
Show glycosyltransferases
NMR conditions: in D2O at 303 K
[as TSV]
13C NMR data:
Linkage Residue C1 C2 C3 C4 C5 C6
3,2,3,2,4 aLRhap 102.3 67.4 75.5 70.8 70.1 17.7
3,2,3,2 aDGalpA 98.0 68.5 70.7 78.6 71.2 173.2
3,2,3,3 bDGlcp 105.5 74.4 76.6 71.0 76.9 62.2
3,2,3 aLRhap 100.4 76.5 79.9 71.9 70.1 17.4
3,2 aLRhap 103.2 70.7 79.0 72.4 70.1 17.7
3 aLRhap 100.4 81.1 70.7 73.0 70.1 17.4
2 Ac 175.1 23.2
aDGlcpN 94.8 54.0 80.2 69.0 72.7 61.1
1H NMR data:
Linkage Residue H1 H2 H3 H4 H5 H6
3,2,3,2,4 aLRhap 5.18 4.27 3.84 3.51 3.66 1.27
3,2,3,2 aDGalpA 5.05 3.89 4.15 4.45 5.08 -
3,2,3,3 bDGlcp 4.59 3.25 3.46 3.22 3.39 3.62-3.88
3,2,3 aLRhap 5.12 4.34 4.06 3.66 3.89 1.31
3,2 aLRhap 4.84 4.15 3.85 3.52 3.78 1.28
3 aLRhap 5.03 3.73 3.86 3.46 4.02 1.25
2 Ac - 2.09
aDGlcpN 5.02 4.11 3.80 3.61 4.00 3.82
1H/13C HSQC data:
Linkage Residue C1/H1 C2/H2 C3/H3 C4/H4 C5/H5 C6/H6
3,2,3,2,4 aLRhap 102.3/5.18 67.4/4.27 75.5/3.84 70.8/3.51 70.1/3.66 17.7/1.27
3,2,3,2 aDGalpA 98.0/5.05 68.5/3.89 70.7/4.15 78.6/4.45 71.2/5.08
3,2,3,3 bDGlcp 105.5/4.59 74.4/3.25 76.6/3.46 71.0/3.22 76.9/3.39 62.2/3.62-3.88
3,2,3 aLRhap 100.4/5.12 76.5/4.34 79.9/4.06 71.9/3.66 70.1/3.89 17.4/1.31
3,2 aLRhap 103.2/4.84 70.7/4.15 79.0/3.85 72.4/3.52 70.1/3.78 17.7/1.28
3 aLRhap 100.4/5.03 81.1/3.73 70.7/3.86 73.0/3.46 70.1/4.02 17.4/1.25
2 Ac 23.2/2.09
aDGlcpN 94.8/5.02 54.0/4.11 80.2/3.80 69.0/3.61 72.7/4.00 61.1/3.82
1H NMR data:
| Linkage | Residue | H1 | H2 | H3 | H4 | H5 | H6 |
|---|
| 3,2,3,2,4 | aLRhap | 5.18 | 4.27 | 3.84 | 3.51 | 3.66 | 1.27 |
| 3,2,3,2 | aDGalpA | 5.05 | 3.89 | 4.15 | 4.45 | 5.08 |
|
| 3,2,3,3 | bDGlcp | 4.59 | 3.25 | 3.46 | 3.22 | 3.39 | 3.62
3.88 |
| 3,2,3 | aLRhap | 5.12 | 4.34 | 4.06 | 3.66 | 3.89 | 1.31 |
| 3,2 | aLRhap | 4.84 | 4.15 | 3.85 | 3.52 | 3.78 | 1.28 |
| 3 | aLRhap | 5.03 | 3.73 | 3.86 | 3.46 | 4.02 | 1.25 |
| 2 | Ac |
| 2.09 | |
| | aDGlcpN | 5.02 | 4.11 | 3.80 | 3.61 | 4.00 | 3.82 |
|
13C NMR data:
| Linkage | Residue | C1 | C2 | C3 | C4 | C5 | C6 |
|---|
| 3,2,3,2,4 | aLRhap | 102.3 | 67.4 | 75.5 | 70.8 | 70.1 | 17.7 |
| 3,2,3,2 | aDGalpA | 98.0 | 68.5 | 70.7 | 78.6 | 71.2 | 173.2 |
| 3,2,3,3 | bDGlcp | 105.5 | 74.4 | 76.6 | 71.0 | 76.9 | 62.2 |
| 3,2,3 | aLRhap | 100.4 | 76.5 | 79.9 | 71.9 | 70.1 | 17.4 |
| 3,2 | aLRhap | 103.2 | 70.7 | 79.0 | 72.4 | 70.1 | 17.7 |
| 3 | aLRhap | 100.4 | 81.1 | 70.7 | 73.0 | 70.1 | 17.4 |
| 2 | Ac | 175.1 | 23.2 | |
| | aDGlcpN | 94.8 | 54.0 | 80.2 | 69.0 | 72.7 | 61.1 |
|
There is only one chemically distinct structure:
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