O-Antigen Description

Serogroup:O18 B1
Serotype H:14
Serotype K:
Strain:
Structure:
                               aDGlc(1->4)
                                        |
->3)aLRha(1->6)aDGlc(1->4)aDGal(1->3)aDGlcNAc(1->
                            |
                   bDGlc(1->3)
Comment:- Structure [1]
NMR
1H-NMR5.04 4.18 4.32 4.03 4.14 4.87 4.14 3.87 3.56 3.81 1.35 5.02 3.53 3.77 3.60 4.27 3.90 3.81 5.63 4.11 3.94 4.34 4.11 4.64 3.23 3.54 3.39 3.47 3.95 3.79 5.56 3.60 3.69 3.47 3.73
Solvent: D2O
Temp: NULL
pD:
Ref: Acetone 2.23 ppm
Comment: 1H-NMR [1]
13C-NMR94.80 53.40 78.40 77.50 72.05 60.70 101.60 67.75 76.50 71.60 69.75 18.10 100.30 72.90 73.90 70.20 71.60 67.20 99.50 69.00 79.30 77.50 72.90 61.90 105.60 74.90 76.90 71.15 76.90 61.70 99.70 72.60 73.90 70.55 73.90 62.10
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]