O-Antigen Description

Serogroup:O49
Serotype H:
Serotype K:
Strain:
Structure:
->2)aDQui4NBuS3OH(1->4)bDGalNAc(1->4)aLRha(1->3)bDGlcNAc6Ac(1->
Comment:- Structure [1]
GTs
GT nameDonorAcceptorPosition | Link.NumSimilar to
O049_10
GT nameDonorAcceptorPosition | Link.NumSimilar to
O049_12

GT NameDonorAcceptorScore / e-value
O91-WbsF


98 / 2e-25
GT nameDonorAcceptorPosition | Link.NumSimilar to
O049_13

aLRha(1->

->3)bDGlcNAc

GT NameDonorAcceptorScore / e-value
O105-WbsY


320 / 5e-110
O150-WfgK


314 / 7e-108
O154-O154_12


302 / 8e-103
O129-RfbG


298 / 2e-101
O135-RfbG


298 / 2e-101
O13-RfbG

aLRha(1->

->3)bDGlcNAc

298 / 2e-101
O10-O010_11


92 / 4e-23
O97-O097_05


89 / 4e-22
O100-O100_10


87 / 1e-21
NMR
1H-NMR5.14 3.73 3.92 3.65 4.15 1.12 4.75 3.92 3.76 4.02 3.71 3.88 3.92 4.85 3.73 3.83 3.60 4.01 1.30 4.75 3.85 3.63 3.51 3.49 3.75 3.95 2.47 4.19 1.23
Solvent: D2O
Temp: 27C
pD:
Ref: Acetone 2.225 ppm
Comment: 1H-NMR [1]
13C-NMR102.00 82.60 70.90 58.40 69.30 18.30 103.80 54.70 72.40 80.20 76.60 62.40 102.70 72.70 72.00 82.30 68.90 18.60 103.70 57.20 83.20 70.20 77.50 62.30 175.90 46.70 66.60 23.60
Solvent: D2O
Temp: 27C
pD:
Ref: Acetone 31.45 ppm
Comment: 13C-NMR [1]
Non-Sugar Components
- (S)-3-hydroxybutyryl
Literature
  • First Author: Perepelov, AV. "Structure and characterization of the gene cluster of the O-antigen of Escherichia coli O49 containing 4,6-dideoxy-4-[(S)-3-hydroxybutanoylamino]-D-glucose". Biochemistry. 73(4). (2008), pp 406-410 PubMed: [18457569]