O-Antigen Description

Serogroup:O4
Serotype H:5
Serotype K:3 6 12
Strain:
Structure:
aDGlc(1->3)
         |
  ->2)aLRha(1->6)aDGlc(1->3)aLFucNAc(1->3)bDGlcNAc(1->
Comment:- Structure [1]
- A slightly different structure is proposed for serotype K12:H- in [4]
GTs
GT nameDonorAcceptorPosition | Link.NumSimilar to
WbuB

aLFucNAc(1->

->3)bDGlcNAc

1 | 1
GT NameDonorAcceptorScore / e-value
O25-WbuB


705 / 0.0
O177-WbuB


703 / 0.0
O172-WbuB

aLFucNAc(1->

->3)aDGlcNAc

689 / 0.0
O12-O012_09


639 / 0.0
O26-WbuB

aLFucNAc(1->

->3)bDGlcNAc

620 / 0.0
O29-WbuB


556 / 0.0
O15-WbuB


550 / 0.0
O145-WbuB

aLFucNAm(1->

->3)bDGlcNAc

550 / 0.0
O151-WbfG


525 / 0.0
O118-WbfG


525 / 0.0
O108-O108_18


521 / 0.0
O98-WbwW

aLQuiNAc(1->

->3)bDGlcNAc

452 / 7e-161
O181-O181_07


382 / 3e-133
O123-WbwH


378 / 2e-131
O186-O186_16


338 / 5e-116
O163-O163_11


325 / 4e-111
GT nameDonorAcceptorPosition | Link.NumSimilar to
WbuH

aDGlc(1->

->3)aLFucNAc

2 | 2
GT nameDonorAcceptorPosition | Link.NumSimilar to
WbuG

aLRha(1->

->6)aDGlc

3 | 3
GT NameDonorAcceptorScore / e-value
O142-O142_10


129 / 3e-36
O34-O034_10


129 / 2e-36
O180-wfcT


127 / 5e-36
O18-wekT


120 / 3e-33
O51-O051_11


119 / 4e-33
O107-WclX

aLRha(1->

->4)aDGlcNAc

117 / 4e-32
O117-WbeB

aLRha(1->

->4)aDGlc

117 / 4e-32
O97-O097_05


96 / 1e-24
O93-O093_02


94 / 6e-24
O10-O010_11


89 / 4e-22
O182-O182_10


89 / 2e-22
O154-O154_14


88 / 7e-22
O161-weiG

bDGlcA(1->

->3)bDGlcNAc

84 / 7e-21
O165-WcnW


84 / 7e-21
O30-O030_06


82 / 3e-20
O91-WbsA


81 / 8e-20
O143-WfdV


80 / 2e-19
NMR
1H-NMR4.97 3.43 3.66 3.37 3.83 3.83 3.65 4.97 4.29 3.86 3.81 4.34 1.15 4.71 3.84 3.51 3.45 3.37 3.88 3.68 4.84 4.16 3.82 3.27 3.65 1.22 5.05 3.63 3.74 3.42 3.95 3.76 2.69
Solvent: D2O
Temp: 90C
pD:
Ref: Acetone 2.225 ppm
Comment: 1H-NMR [3]
13C-NMR101.80 72.80 74.20 70.90 72.40 67.80 99.30 49.35 77.90 72.50 68.10 16.60 103.15 56.70 80.40 70.10 77.20 62.20 100.90 75.50 76.00 72.20 70.40 17.90 96.50 72.80 74.60 71.00 72.85 62.00
Solvent: D2O
Temp: 90C
pD:
Ref: Acetone 31.45 ppm
Comment: 13C-NMR [3]
Enzymes
FlippaseMSLIRNSFYNIAGFAVPTLVAVPALGILARLLGPENFGLFTLAFALIGYASIFDAGISRA VIREIALYRESEKEQIQIISTASVIVLFLGVVAALLLYFSSNKVVELLNVSSVYIETAVR AFSVISFIIPVYLINQIWLGYLEGLEKFANINVQRMISSTSLAILPVIFCYYNPSLLYAM YGLVVGRVISFLISAIICRDIILKSKLYFNVATCNRLISFGGWITVSNIISPIMAYFDRF IISHIMGASRIAFYTAPSEGVSRLINIPYALARALFPKLAYSNNDDERKKLQLQSYAIIS IVCLPIVVIGVIFASFIMTTWMGPDYALEAATIMKILLAGFFFNSLAQIPYAYLQSIGKS KITAFVHLIELAPYLLLLYYFTMHFGIIGTAIAWSLRTFCDFVILLSISRRK
Trembl: Q5GFM7
PolymeraseMIYLLFFFALFMICTFLTHRRQALYVVSALVFLFLALTYPSGGDWIGYFLHYDCMVNEQC NNGFIMFEPGYELIVSLFGYLGFQTIIIFIAAVNVILILNFAKHFENGSFVIVAIMCMFL WSVYVEAIRQALALSIVIFGIHSLFLGRKRKFITLVLFASTFHITALICFLLMTPLFSKK LSKIISYSLLIFSSFFFAFSETILSALLAILPEGSIASEKLSFYLATEQYRPQLSIGSGT ILDIILIFLICVSFKRIKKYMLANYNAANEILLIGCCLYISFGIFIGKMMPVMTRIGWYG FPFVIVLLYINLGYSEYFKRYINKRGCGYSKLLIAFYFLLQILRPLTYDYSYYNIMHQDT LLNRFDALDDASLRQSAKRKCFDLGKIGYGFLCSI
Trembl: Q46955
Literature
  • First Author: Jann B. "Structural comparison of the O4-specific polysaccharides from E. coli O4:K6 and E. coli O4:K52". Carbohydrate Research. 248. (1993), pp 241-250 PubMed: [7504581]
  • First Author: DSouza JM. "Evolutionary origins and sequence of the Escherichia coli O4 O-antigen gene cluster". FEMS Microbiology. 244. (2005), pp 27-32 PubMed: [15727817]
  • First Author: Jansson PE. "Structural Studies of the O-Antigen Polysaccharide of Escherichia coli O4". Carbohydrate Research. 134. (1984), pp 283-291
  • First Author: Schmidt MA. "Cell-wall lipopolysaccharide of the urinary-tract-infective Escherichia coli 04:K12:H-. Structure of the polysaccharide chain". European Journal of Biochemistry. 137. (1983), pp 163-171 PubMed: [6360684]