O-Antigen Description

Serogroup:O76
Serotype H:
Serotype K:
Strain:E5d G094
Structure:
->4)bDGlcA(1->4)bDGalNAc3Ac(1->4)aDGalNAc(1->3)bDGalNAc(1->
Comment:- Structure [1]
- bDGalNAc3Ac O-acetylation degree is 70%
GTs
GT nameDonorAcceptorPosition | Link.NumSimilar to
O076_03

->3)bDGalNAc

GT NameDonorAcceptorScore / e-value
O128-WbsL

bDGal(1->

->3)bDGalNAc

132 / 3e-37
ncbi CAZy
- Reference [2]
GT nameDonorAcceptorPosition | Link.NumSimilar to
O076_07

GT NameDonorAcceptorScore / e-value
O22-WbhR


108 / 6e-29
O183-wbaS


98 / 2e-25
O169-O169_03


98 / 4e-25
ncbi CAZy
- Reference [2]
GT nameDonorAcceptorPosition | Link.NumSimilar to
O076_08

aDGalNAc(1->

->3)bDGalNAc

GT NameDonorAcceptorScore / e-value
O86-WcmA

aDGalNAc(1->

->3)bDGalNAc

283 / 1e-94
O86-WbnH


282 / 9e-95
O86-WbwH


282 / 9e-95
O127-WbiN


282 / 9e-95
O90-O090_04


282 / 9e-95
O142-O142_03


246 / 9e-81
O87-WfgO


145 / 7e-42
O120-O120_15


127 / 3e-35
O55-WbgM


103 / 5e-27
O22-WbhP


103 / 5e-27
O55-WbgM

aDGal(1->

->3)bDGalNAc

101 / 3e-26
O110-O110_02


100 / 6e-26
O69-O069_12


98 / 3e-25
O18-wekW


94 / 1e-23
O128-WbsH

aDGal(1->

->3)bDGalNAc

94 / 1e-23
O113-WbnE


91 / 2e-22
O89-O089_06


82 / 2e-19
O3-WclR


81 / 3e-19
ncbi CAZy
- Reference [2]
NMR
1H-NMR4.50 3.51 3.64 3.90 3.85 4.85 4.17 5.08 4.24 3.90 3.81 3.81 2.10 1.97 5.00 4.15 3.90 4.20 3.81 3.72 3.81 2.01 4.58 4.02 3.77 4.07 3.66 3.75 3.75 2.03
Solvent: D2O
Temp: 50C
pD:
Ref: TSP 0 ppm
Comment: 1H-NMR [1]
13C-NMR104.70 73.60 75.10 81.20 76.30 172.90 103.00 52.30 73.70 75.20 75.00 62.20 23.10 175.50 21.30 174.20 95.10 51.80 69.00 76.60 71.90 61.60 23.50 176.20 102.30 51.90 75.50 64.60 76.30 62.20
Solvent: D2O
Temp: 50C
pD:
Ref: Acetone 31.45 ppm
Comment: 13C-NMR [1]
Non-Sugar Components
- Acetate
Literature
  • First Author: AV Perepelov. "Structure and gene cluster of the O-antigen of Escherichia coli O76". Carbohydrate Research. 377. (2013), pp 14-17 PubMed: [23770694]