O-Antigen Description

Serogroup:O19 ab
Serotype H:
Serotype K:
Strain:
Structure:
->2)aLRha(1->2)aLRha(1->2)aLRha(1->2)aDGlc(1->3)aDGlcNAc6Ac(1->
Comment:- structure [2]
GTs
GT nameDonorAcceptorPosition | Link.NumSimilar to
O019_08

aLRha(1->

GT NameDonorAcceptorScore / e-value
O69-O069_11


234 / 1e-76
O120-O120_14


220 / 6e-71
O129-RfbF


189 / 3e-59
O135-RfbF


189 / 5e-59
O13-RfbF


189 / 3e-59
O19-O019_09


188 / 7e-59
O148-WbbQ


179 / 2e-55
O150-WfgI


159 / 1e-47
O10-O010_09


149 / 6e-44
O146-WbwV


147 / 4e-43
O35-WcnY


139 / 4e-40
O2-wegQ

aLRha(1->

->3)aLRha
->2)aLRha

137 / 2e-39
O50-O050_12


137 / 2e-39
O177-WbdY


130 / 5e-37
O54-O054_10


130 / 6e-37
O147-WfbY


126 / 2e-35
O133-O133_07

aLRha(1->

->2)aLRha
->4)aDGalA

125 / 5e-35
O71-WdaM

aLRha(1->

->4)bDGal

116 / 9e-32
O139-WfaI


99 / 1e-25
O148-WbbR


82 / 8e-20
ncbi CAZy
- Reference [3]
GT nameDonorAcceptorPosition | Link.NumSimilar to
O019_09

aLRha(1->

GT NameDonorAcceptorScore / e-value
O69-O069_11


280 / 2e-94
O120-O120_14


243 / 8e-80
O148-WbbQ


212 / 6e-68
O19-O019_08


188 / 7e-59
O150-WfgI


179 / 4e-55
O129-RfbF


167 / 6e-51
O135-RfbF


167 / 1e-50
O13-RfbF


167 / 6e-51
O10-O010_09


147 / 5e-43
O133-O133_07

aLRha(1->

->2)aLRha
->4)aDGalA

143 / 1e-41
O35-WcnY


136 / 3e-39
O54-O054_10


136 / 4e-39
O146-WbwV


133 / 5e-38
O147-WfbY


133 / 4e-38
O2-wegQ

aLRha(1->

->3)aLRha
->2)aLRha

126 / 2e-35
O50-O050_12


126 / 2e-35
O139-WfaI


93 / 1e-23
O71-WdaM

aLRha(1->

->4)bDGal

93 / 1e-23
O177-WbdY


92 / 2e-23
ncbi CAZy
- Reference [3]
GT nameDonorAcceptorPosition | Link.NumSimilar to
O019_11

aDGlc(1->

->3)aDGlcNAc

GT NameDonorAcceptorScore / e-value
O148-WbbG

aDGlc(1->

->3)aDGlcNAc

635 / 0.0
O51-O051_12


267 / 1e-88
O69-O069_12


172 / 3e-52
O128-WbsH

aDGal(1->

->3)bDGalNAc

164 / 5e-49
O110-O110_02


164 / 2e-49
O113-WbnE


154 / 4e-45
O3-WclR


141 / 2e-40
O55-WbgM


135 / 2e-38
O55-WbgM

aDGal(1->

->3)bDGalNAc

135 / 2e-38
O40-WffO


132 / 7e-37
O18-wekW


122 / 3e-33
O87-WfgO


84 / 5e-20
O22-WbhP


84 / 2e-20
ncbi CAZy
- Reference [3]
NMR
1H-NMR5.01 4.08 3.91 3.51 3.77 1.30 5.13 4.09 3.87 3.45 3.68 1.27 5.23 4.06 3.87 3.51 3.85 1.29 5.49 3.66 3.74 3.43 3.68 3.74 3.86
Solvent: D2O
Temp: 30C
pD:
Ref: TSP 0 ppm
Comment: 1H-NMR [1]
13C-NMR100.70 77.50 70.50 73.20 70.70 18.00 102.00 79.60 71.00 73.40 70.50 17.80 101.30 79.00 71.10 73.20 70.50 17.90 99.10 77.40 73.90 70.70 73.50 61.70 97.50 53.20 76.70 72.10 73.20 61.20 23.40 175.30
Solvent: D2O
Temp: 30C
pD:
Ref: Acetone 31.45 ppm
Comment: 13C-NMR [1]
Literature
  • First Author: Perepelov, AV. "Structure and gene cluster of the O-antigen of Escherichia coli O19ab". Carbohydrate Research. 346. (2011), pp 2812-2815 PubMed: [22015401]
  • First Author: Ghosh T. "Facile synthesis of the pentasaccharide repeating unit of the cell wall O-antigen of Escherichia coli 19ab". Carbohydrate Research. 362. (2012), pp 8-12 PubMed: [23059767]