RES
1r:r1
REP
REP1:6o(2+1)2d=-1--1
RES
2b:a-dgal-HEX-1:5
3s:n-acetyl
4b:b-dglc-HEX-1:5
5b:a-lgal-HEX-1:5|6:d
6b:a-dman-HEX-1:5|6:d
7s:n-acetyl
LIN
1:2d(2+1)3n
2:2o(3+1)4d
3:4o(4+1)5d
4:5o(3+1)6d
5:6d(4+1)7n

• Stenutz R et al. The structures of Escherichia coli O-polysaccharide antigens. FEMS Microbiol Rev. 2006 May;30:(3):382-403. doi: 10.1111/j.1574-6976.2006.00016.x. PMID: 16594963.

• Vinnikova AN et al. Synthesis of a fluorescent acceptor substrate for glycosyltransferases involved in the assembly of O-antigens of enterohemorrhagic Escherichia coli O157 and O5. Carbohydr Res. 2013 Jan 25;366:17-24. doi: 10.1016/j.carres.2012.11.009. PMID: 23261778.

• Samuel G et al. Relationships of the Escherichia coli O157, O111, and O55 O-antigen gene clusters with those of Salmonella enterica and Citrobacter freundii, which express identical O antigens. J Bacteriol. 2004 Oct;186:(19):6536-43. doi: 10.1128/JB.186.19.6536-6543.2004. PMID: 15375135.

• Wang L et al. Organization of Escherichia coli O157 O antigen gene cluster and identification of its specific genes. Infect Immun. 1998 Aug;66:(8):3545-51. doi: 10.1128/IAI.66.8.3545-3551.1998. PMID: 9673232.

• Gao Y et al. Biochemical characterization of WbdN, a β1,3-glucosyltransferase involved in O-antigen synthesis in enterohemorrhagic Escherichia coli O157. Glycobiology. 2012 Aug;22:(8):1092-102. doi: 10.1093/glycob/cws081. PMID: 22556057.