O-Antigen Description

Serogroup:O142
Serotype H:4
Serotype K:
Strain:
Structure:
->2)aLRha(1->6)aDGalNAc(1->4)aDGalNAc(1->3)aDGalNAc(1->
                                |
                    bDGlcNAc(1->3)
Comment:- Structure [1]
GTs
GT nameDonorAcceptorPosition | Link.NumSimilar to
O142_03

aDGalNAc(1->

GT NameDonorAcceptorScore / e-value
O86-WbnH


374 / 2e-130
O86-WbwH


374 / 2e-130
O127-WbiN


374 / 2e-130
O90-O090_04


374 / 2e-130
O86-WcmA

aDGalNAc(1->

->3)bDGalNAc

373 / 5e-130
O76-O076_08


260 / 3e-86
O22-WbhP


110 / 1e-29
O120-O120_15


108 / 1e-28
O87-WfgO


102 / 2e-26
O55-WbgM


100 / 5e-26
O55-WbgM

aDGal(1->

->3)bDGalNAc

98 / 3e-25
O18-wekW


91 / 9e-23
O69-O069_12


89 / 5e-22
O128-WbsH

aDGal(1->

->3)bDGalNAc

87 / 2e-21
ncbi CAZy
- Reference [3]
GT nameDonorAcceptorPosition | Link.NumSimilar to
O142_10

aLRha(1->

GT NameDonorAcceptorScore / e-value
O18-wekT


365 / 2e-127
O34-O034_10


170 / 2e-51
O107-WclX

aLRha(1->

->4)aDGlcNAc

130 / 6e-37
O117-WbeB

aLRha(1->

->4)aDGlc

130 / 2e-36
O4-WbuG

aLRha(1->

->6)aDGlc

129 / 3e-36
O180-wfcT


96 / 8e-25
O100-O100_10


86 / 3e-21
O154-O154_14


85 / 1e-20
O129-RfbG


84 / 1e-20
O135-RfbG


84 / 1e-20
O13-RfbG

aLRha(1->

->3)bDGlcNAc

84 / 1e-20
ncbi CAZy
- Reference [3]
GT nameDonorAcceptorPosition | Link.NumSimilar to
O142_11

bDGlcNAc(1->

->3)aDGal

GT NameDonorAcceptorScore / e-value
O18-wekU

bDGlcNAc(1->

->3)aDGal

290 / 3e-99
O3-WclU


260 / 8e-88
O38-O038_06


141 / 2e-41
O23-O023_03


113 / 5e-31
ncbi CAZy
- Reference [3]
GT nameDonorAcceptorPosition | Link.NumSimilar to
O142_12

->4)aDGal

GT NameDonorAcceptorScore / e-value
O103-WbtF


349 / 8e-121
O18-wekV

aDGlc(1->

->4)aDGal

336 / 2e-115
O111-WbdM

aCol(1->

->3)aDGlc ->6)aDGlc

264 / 1e-87
O116-O116_10


257 / 6e-85
O89-O089_06


202 / 7e-64
O101-O101_06


197 / 6e-62
O121-WbqH


106 / 5e-28
O128-WbsH

aDGal(1->

->3)bDGalNAc

103 / 3e-27
O110-O110_02


97 / 1e-24
O120-O120_15


92 / 3e-23
O51-O051_12


92 / 5e-23
O22-WbhP


90 / 2e-22
O87-WfgO


89 / 7e-22
O18-wekW


87 / 2e-21
ncbi CAZy
- Reference [3]
NMR
1H-NMR5.06 4.38 4.02 4.18 4.22 3.73 3.75 2.08 5.05 4.42 3.77 4.27 3.92 3.62 3.69 2.06 4.89 4.18 4.05 4.11 4.77 3.61 3.91 2.06 4.83 4.12 3.90 3.46 3.81 1.31 4.45 3.81 3.52 3.31 3.39 3.74 3.88 1.95
Solvent: D2O
Temp: 40C
pD:
Ref: TSP 0.00 ppm
Comment: 1H-NMR [1]
13C-NMR96.80 48.70 72.60 65.20 71.60 61.80 23.20 175.10 94.10 49.30 76.20 73.90 72.90 61.40 23.00 174.60 97.10 50.70 67.80 68.80 68.60 64.60 22.70 175.30 97.80 76.50 70.40 72.90 69.60 17.60 104.30 55.80 74.50 71.30 76.50 61.40 23.10 174.50
Solvent: D2O
Temp: 40C
pD:
Ref: Dioxane 67.40 ppm
Comment: 13C-NMR [1]
Literature
  • First Author: Landersjö, C. "Structural analysis of the O-antigenic polysaccharide from the enteropathogenic Escherichia coli O142". European Journal of Biochemistry. 244(2). (1997), pp 449-453 PubMed: [9119011]
  • First Author: Norris SE. "Transient hydrogen bonding in uniformly ¹³C,¹⁵N-labeled carbohydrates in water.". Biopolymers. 97(3). (2012), pp 145-54 PubMed: [21858784]