O-Antigen Description

Serogroup:O136
Serotype H:
Serotype K:
Strain:
Structure:
->4)bPse(2->4)bDGal(1->4)bDGlcNAc(1->
Comment:- Structure [1]
- bPse= 5,7-diacetamido-3,5,7,9-tetradeoxy-L-glycero-b-L-manno-nonulosonic acid
- Similar to Vibrio cholerae O:2 which has GlcNAc replaced by QuiNAc [3]
GTs
GT nameDonorAcceptorPosition | Link.NumSimilar to
O136_04
ncbi CAZy
- Reference [4]
GT nameDonorAcceptorPosition | Link.NumSimilar to
O136_10

GT NameDonorAcceptorScore / e-value
O83-O083_07


159 / 5e-49
O32-WfeD


151 / 4e-46
ncbi CAZy
- Reference [4]
NMR
1H-NMR4.70 3.70 3.71 3.68 3.59 3.85 4.00 2.02 1.74 2.63 4.06 4.32 3.75 3.96 4.11 1.16 1.99 1.96 4.48 3.58 3.66 4.51 3.72 3.69 3.69
Solvent: D2O
Temp: 65C
pD: 7.0
Ref: TSP 0.00 ppm
Comment: 1H-NMR [1], pD=7.0
13C-NMR99.50 55.90 73.60 80.10 75.60 61.10 23.40 174.90 172.90 102.70 36.00 73.50 45.90 75.00 54.50 69.50 17.60 23.10 22.90 174.40 174.20 103.90 72.40 72.90 73.30 76.20 61.80
Solvent: D2O
Temp: 65C
pD: 7.0
Ref: Dioxane 67.4 ppm
Comment: 13C-NMR [1], pD=7.0
Literature
  • First Author: Staaf, M. "Structure determination of the O-antigenic polysaccharide from the enteroinvasive Escherichia coli O136". European Journal of Biochemistry. 263(3). (1999), pp 656-661 PubMed: [10469128]
  • First Author: Cheasty, T. "Antigenic relationships between the enteroinvasive Escherichia coli O antigens O28ac, O112ac, O124, O136, O143, O144, O152, and O164 and Shigella O antigens". Journal of Clinical Microbiology. 17(4). (1983), pp 681-684 PubMed: [6189854]
  • Carbohydrate Research. 180. (1988), pp 285-294
  • First Author: Iguchi A. "A complete view of the genetic diversity of the Escherichia coli O-antigen biosynthesis gene cluster". DNA Research. 22. (2015), pp 101-107 PubMed: [25428893]