O-Antigen Description

Serogroup:O18 A
Serotype H:
Serotype K:1
Strain:
Structure:
->2)aLRha(1->6)aDGlc(1->4)aDGal(1->3)aDGlcNAc(1->
                             |
                 bDGlcNAc(1->3)
Comment:- Structure [1]
NMR
1H-NMR5.05 4.13 4.02 3.82 4.09 3.85 3.85 4.89 4.06 3.96 3.54 3.82 1.37 4.97 3.53 3.74 3.57 4.32 3.99 3.92 5.51 4.00 3.86 4.31 4.03 3.85 3.85 4.68 3.65 3.59 3.42 3.46 3.97 3.77
Solvent: D2O
Temp: NULL
pD:
Ref: Acetone 2.23 ppm
Comment: 1H-NMR [1]
13C-NMR97.10 53.10 77.85 71.75 73.10 61.45 99.20 76.95 70.75 73.40 70.05 18.20 100.10 73.10 74.00 70.30 71.45 67.70 100.10 69.25 79.70 77.00 72.90 60.95 104.60 57.00 75.40 71.75 76.95 62.20
Solvent: D2O
Temp: NULL
pD:
Ref: Acetone 31.45 ppm
Comment: 13C-NMR [1]
Literature
  • First Author: Jann, B. "The O18 antigens (lipopolysaccharides) of Escherichia coli. Structural characterization of the O18A, O18A1, O18B and O18B1-specific polysaccharides". European Journal of Biochemistry. 210(1). (1992), pp 241-8 PubMed: [1280216]