O-Antigen Description

Serogroup:O39
Serotype H:
Serotype K:
Strain:G3213
Structure:
                 aDGal(1->3)
                          |
->3)bDQui4NBuR3OH(1->2)aDMan(1->4)aLRha(1->3)aDGlcNAc(1->
Comment:- Structure [1]
- DQuiNBu3OH indicates 4,6-dideoxy-4-[(R)-3-hydroxybutanoylamino]-D-glucose
- Strain used for gene sequence determination is H7
GTs
GT nameDonorAcceptorPosition | Link.NumSimilar to
O039_10
ncbi CAZy
- Reference [2]
GT nameDonorAcceptorPosition | Link.NumSimilar to
O039_12
ncbi CAZy
- Reference [2]
GT nameDonorAcceptorPosition | Link.NumSimilar to
O039_13

aLRha(1->

->3)aDGlcNAc

GT NameDonorAcceptorScore / e-value
O75-wekZ


238 / 3e-79
O48-O048_08


218 / 2e-71
O132-O132_08


205 / 2e-66
O119-WekH

aLRha(1->

->3)aDGlcNAc

201 / 8e-65
O16-WbbL

aLRha(1->

->3)aDGlcNAc

165 / 7e-51
O35-WcnZ


156 / 2e-47
O139-WfaL

aLRha(1->

->3)aDGlcNAc

121 / 2e-34
ncbi CAZy
- Reference [2]
GT nameDonorAcceptorPosition | Link.NumSimilar to
O039_09

GT NameDonorAcceptorScore / e-value
O41-O041_03


116 / 1e-31
ncbi CAZy
- Reference [2]
NMR
1H-NMR5.27 3.83 3.88 3.95 4.18 3.71 3.76 5.06 4.01 3.74 3.59 4.14 3.81 3.84 4.42 3.42 3.72 3.81 3.55 1.16 5.04 4.18 4.02 3.94 3.75 3.77 3.89 4.85 3.75 3.81 3.51 4.04 1.24 2.34 4.11 1.20
Solvent: D2O
Temp: 30C
pD:
Ref: TSP 0 ppm
Comment: 1H-NMR [1]
13C-NMR101.8 70.0 70.7 70.8 72.6 62.6 98.5 54.2 80.9 69.3 73.1 61.3 103.6 73.4 78.8 57.4 72/0 18.1 100.5 79.5 76.6 66.9 74.4 62.3 102.3 72.2 70.3 82.9 69.0 18.0 174.9 46.2 66.2 23.5
Solvent: D2O
Temp: 30C
pD:
Ref: TSP -1.6 ppm
Comment: 13C-NMR [1]
Non-Sugar Components
- (R)-3-hydroxybutyryl
Literature
  • First Author: Perepelov AV. "Structure elucidation and gene cluster annotation of the O-antigen of Escherichia coli O39; application of anhydrous trifluoroacetic acid for selective cleavage of glycosidic linkages". Carbohydrate Research. 388. (2014), pp 30-36 PubMed: [24607538]