O-Antigen Description

Serogroup:O57
Serotype H:
Serotype K:
Strain:
Structure:
                  bDGlc(1->4)
                           |
         ->3)aDGal(1->3)aLFucNAc(1->3)aDGlcNAc(1->
                |
aDGalA2Ac3Ac(1->2)
Comment:
NMR
1H-NMR5.06 4.16 3.73 3.67 3.84 3.84 3.90 5.14 4.39 4.30 4.25 4.50 1.35 5.48 4.18 4.08 4.24 4.19 3.72 3.75 4.63 3.43 3.50 3.37 3.42 3.70 3.92 5.07 3.84 3.90 4.48 4.65
Solvent: 0
Temp: 70C
pD:
Ref: TSP 0.0 ppm
Comment:
13C-NMR92.9 54.7 77.7 69.6 73.0 62.2 98.0 50.5 72.2 77.7 68.9 17.4 96.6 69.4 71.7 65.6 72.7 62.9 103.7 75.1 77.2 71.7 78.0 62.9 95.7 69.2 70.8 71.5 72.2 173.8
Solvent: not stated
Temp: 70C
pD:
Ref: TSP -1.6 ppm
Comment:
Literature
  • First Author: O I Naumenko. "Structural studies on the O-polysaccharide of Escherichia coli O57 ". Carbohydrate Research. 465. (2018), pp 1-3 PubMed: [29864581]