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

• Knirel' IuA et al. [Structure of lipopolysaccharides from gram-negative bacteria. III. Structure of O-specific polysaccharides]. Biokhimiia. 1994 Dec;59:(12):1784-851. PMID: 7533007.

• Liu B et al. Structure and genetics of Shigella O antigens. FEMS Microbiol Rev. 2008 Jul;32:(4):627-53. doi: 10.1111/j.1574-6976.2008.00114.x. PMID: 18422615.

• Batta G et al. Conformational stabilization of the altruronic acid residue in the O-specific polysaccharide of Shigella sonnei/Plesiomonas shigelloides. Carbohydr Res. 1997 Dec;305:(1):93-9. doi: 10.1016/s0008-6215(97)00197-3. PMID: 9534229.