O-Antigen Description

Serogroup:O2
Serotype H:
Serotype K:
Strain:
Structure:
      ->3)aLRha(1->2)aLRha(1->3)bLRha(1->4)bDGlcNAc(1->
             |
aDFuc3NAc(1->2)
Comment:- Structure [1]
GTs
GT nameDonorAcceptorPosition | Link.NumSimilar to
wegP

GT NameDonorAcceptorScore / e-value
O50-O050_09


600 / 0.0
ncbi CAZy
- Reference [2,3]
GT nameDonorAcceptorPosition | Link.NumSimilar to
wegQ

aLRha(1->

->3)aLRha

->2)aLRha

2 | 2,3
GT NameDonorAcceptorScore / e-value
O50-O050_12


612 / 0.0
O69-O069_11


154 / 1e-45
O10-O010_09


144 / 5e-42
O120-O120_14


144 / 6e-42
O19-O019_08


137 / 2e-39
O129-RfbF


132 / 2e-37
O135-RfbF


132 / 1e-37
O13-RfbF


132 / 2e-37
O19-O019_09


126 / 2e-35
O133-O133_07

aLRha(1->

->2)aLRha
->4)aDGalA

122 / 7e-34
O150-WfgI


118 / 1e-32
O148-WbbQ


115 / 2e-31
O147-WfbY


105 / 5e-28
O54-O054_10


105 / 4e-28
O139-WfaI


102 / 6e-27
O146-WbwV


101 / 2e-26
O177-WbdY


98 / 2e-25
O71-WdaM

aLRha(1->

->4)bDGal

90 / 1e-22
ncbi CAZy
- Reference [2,3]
GT nameDonorAcceptorPosition | Link.NumSimilar to
wegR

bLRha(1->

->4)bDGlcNAc

GT NameDonorAcceptorScore / e-value
O50-O050_13


653 / 0.0
O149-WbuV

bLRha(1->

->4)bDGlcNAc

392 / 2e-137
O180-wfcU

bLRha(1->

->4)aDGlcNAc

365 / 1e-126
ncbi CAZy
- Reference [2,3]
NMR
1H-NMR5.16 4.08 3.95 3.46 3.82 1.29 5.05 4.24 3.97 3.66 3.71 1.26 4.96 3.79 4.17 3.77 4.52 1.22 4.87 4.13 3.61 3.50 3.41 1.24 4.79 3.73 3.67 3.63 3.52 3.96 3.84
Solvent: D2O
Temp: 70C
pD:
Ref: TSP 0.00 ppm
Comment: 1H-NMR [1]
13C-NMR101.60 78.70 71.00 73.30 70.00 17.60 100.30 76.30 78.20 72.60 70.60 17.50 97.80 67.10 52.00 71.50 67.90 16.20 23.10 101.30 71.40 80.80 72.40 73.00 17.30 103.20 56.90 75.00 78.40 75.40 62.10 23.00
Solvent: D2O
Temp: 70C
pD:
Ref: Dioxane 67.4 ppm
Comment: 13C-NMR [1]
Enzymes
FlippaseMKKFLQVTILSAIYTFIKMIAGFIIGKVVAIYTGPSGVAMLGQVQSLITIVAGTTSAPVSTGLVRYTAEN WQEGQEACAPWWRACLRVTLFLFLLIIPVVIILSKNISELLFSDGQYTWLIIFACCILPFSIINTLIASV LNGQQFYKQYILVGMFSVFISTMFMILLIVAYNLKGALIATAINSAIAGLVLVLFCLNKSWFRFKYWWGK TDKDKIIKIIHYTLMALVSVISMPTALMCIRKILIAKTGWEDAGQWQAVWKISEVYLGVVTIALSTYFLP RLTIIKTSFLIKKEVNSTILYIISITSFMALSIYLFRDLVITVLFTEQFRSARELFLLQLIGDVIKIAGF LYAYPLQSQGHTKLFISSEVIFSMLFIITTYIFVVNYGVHGANISYVITYSLYFVFAFVFTNFINVRRNN
Trembl: B3U3P9
PolymeraseMTENSPKYKHDKSLISFIYLFFIFTLIVGFIIANTQFLGRSRDYDNYIQIFSGKEGEGVLELFYRGLMLI TTSYETIIFIILTCSFFIKARFLANYSRNFSGLTLFFIYYASVALWVLDYTQFRNGLCISILMFSVYYLF INKPTYFYFSVLCAIATHWSALPFLLLYPFVYSTKIRRLGYFCFSILVLIAISGEGKEIISFIRNFGVGQ KIGNEAGVNLINSLSLTAISWFIISYISSIGNERRNLRLFFCYGVMQYVTFSLFSLPVMAFRILEMYFFL MLTIGVFIKQKKNYYFVFCKVLILLYLTYYYHMVFGVINV
Trembl: B3U3Q2
Literature
  • First Author: Jansson, PE. "Structural studies of the O-specific side-chains of the Escherichia coli O2 lipopolysaccharide". Carbohydrate Research. 161(2). (1987), pp 273-279 PubMed: [3555792]
  • First Author: Yan,X. "Escherichia coli serogroup O2 O-antigen gene cluster". Not specified. (2008),
  • First Author: Fratamico PM. "Escherichia coli serogroup O2 and O28ac O-antigen gene cluster sequences and detection of pathogenic E. coli O2 and O28ac by PCR". Canadian Journal of Microbiology. 56(4). (2010), pp 308-16 PubMed: [20453897]