O-Antigen Description

Serogroup:O126
Serotype H:27
Serotype K:
Strain:
Structure:
->2)bDMan(1->3)bDGal(1->3)aDGlcNAc(1->3)bDGlcNAc(1->
                  |
         aLFuc(1->2)
Comment:- Structure [3]
- A different structure has been reported for O126 [2]
GTs
GT nameDonorAcceptorPosition | Link.NumSimilar to
WbgK
GT nameDonorAcceptorPosition | Link.NumSimilar to
WbgL

aLFuc(1->

GT NameDonorAcceptorScore / e-value
O55-WbgN


196 / 9e-62
O55-WbgN

aCol(1->

->2)bDGal

196 / 9e-62
O128-WbsJ

aLFuc(1->

->2)bDGal

140 / 1e-40
O127-WbiQ


115 / 1e-31
O90-O090_14


115 / 1e-31
O86-WbnK

aLFuc(1->

->2)bDGal

112 / 4e-30
O86-WcmD

aLFuc(1->

->2)bDGal

112 / 4e-30
O86-WbwK

aLFuc(1->

->2)bDGal

111 / 6e-30
GT nameDonorAcceptorPosition | Link.NumSimilar to
WbsT

bDGal(1->

GT NameDonorAcceptorScore / e-value
O86-WbnJ

bDGal(1->

->3)aDGalNAc

148 / 2e-44
O86-WcmC

bDGal(1->

->3)aDGalNAc

148 / 2e-44
O86-WbwJ


147 / 3e-44
O127-WbiP


147 / 4e-44
O90-O090_13


147 / 4e-44
O55-WbgO


139 / 8e-41
O55-WbgO


139 / 8e-41
O23-O023_06


138 / 1e-40
O128-WbsK

bDGalNAc(1->

->4)aDGal

93 / 7e-24
O37-O037_13


88 / 4e-22
GT nameDonorAcceptorPosition | Link.NumSimilar to
WbsU
NMR
1H-NMR5.33 3.91 4.06 3.57 3.71 3.85 3.85 5.07 3.77 3.64 3.73 4.25 1.22 5.01 3.81 3.71 3.65 3.39 3.76 3.91 4.90 4.37 3.58 3.44 3.36 3.64 3.93 4.68 3.71 3.92 4.18 3.75 3.76 3.76 2.07 2.07
Solvent: D2O
Temp: 50
pD:
Ref: TSP 0.00 ppm
Comment: 1H-NMR [3]
13C-NMR98.00 53.90 76.00 69.00 72.90 61.00 100.40 68.80 70.50 72.70 67.40 16.20 100.90 55.10 79.30 72.10 76.80 61.30 103.50 76.50 72.90 68.30 77.40 62.40 100.90 75.90 84.00 70.40 75.50 61.70 22.90 174.20 23.50 175.20
Solvent: D2O
Temp: 50
pD:
Ref: Dioxane 67.4 ppm
Comment: 13C-NMR [3]
Enzymes
FlippaseMQNNKRVVFMNVSLNIMQQLINTVYTFIIPPLIIINYGSDINGLISSVKQCLVYLALVEAGVGGAAIVAL FKPLSEGDRVLQSQIISEAKYFYSKIGVVFIILLLLFSIIYAQIISDQININLAISLFVIMGLINAVDFL LISKYQVFLTADNKLYVTSATKILTIILDMGCAYILITEGINIILVQICSVFIYMIRYVIYYFYFLKKYS YISFDLKNKTALLHQKSAVLIHQISGALVFNSPMILITIFLNLKAVSIYSIYMLIFMAIKVFLSTITNGM QSVFGRMIVNENFNAVREYFSKFEILYFSCLGWFYSCALILSYDFIYLYTLKFNDPDYVQTILIYLFVII GIADNIRVPGMTLIAAKGHYEQTKYRSIIEALLNIVFSIVFIKIYGLPGVLLGSIISYSYRTIDIIYYSS NKILKQSIIFKMIMLFFLVFFILGNYFVVESLKMPFFINDFFKWILYSTFVAVLSALLWLLFYKIMRL
Trembl: A6M9C9
PolymeraseMYIKFYGFSLMENITIYDYVIVNNGLFNKDAVIVFFIIFYLFGCLINIVSNYVSCIYVLLVLIPLSLLFA LNGPDKASYLSLYNAIDTVSDVFKYYNTIDSPLYYITMVLFKNIGLTFYSFMVVQNLIISFSLSYLIYKY KWGYHIAMWLYFTHLLVPFSVRGHLVIITILFANRSVVSKIISSLGLVAIHPLISALPITYQLRGLIRGK RSILIIVLTICALVFSSSYLISKYTSYAINGDEYVKNAGLSLIYIVDAIELLLFWSIIRPIALIDKLFLL FPVVLSFGTIIIPMLGRFSYACDLVYILILINNANRLKNKKTLFMCLSLIALIRFVKNYYSIEYFIL
Trembl: A6M9C0
Literature
  • First Author: Liu, Y. "Sequencing and analysis of the Escherichia coli serogroup O117, O126, and O146 O-antigen gene clusters and development of PCR assays targeting serogroup O117-, O126-, and O146-specific DNA sequences". Molecular and Cellular Probes. 21(4). (2007), pp 295-302. PubMed: [17452091]
  • First Author: Larsson, EA. "Structural and immunochemical relationship between the O-antigenic polysaccharides from the enteroaggregative Escherichia coli strain 396/C-1 and Escherichia coli O126". Carbohydrate Research. 339(8). (2004), pp 1491-1496 PubMed: [15178392]
  • First Author: Bhattacharyya, T. "Structure of the O-specific side chain of the lipopolysaccharide from Escherichia coli O126". Carbohydrate Research. 254. (1994), pp 221-228 PubMed: [7514096]