Serogroups

SerogroupKHStructure
O174 ab
bDGlcNAc(1->2)
            |
     ->4)bDGlcA(1->3)bDGal(1->3)bDGalNAc(1->
O174 ac28
bDGlcNAc(1->2)
            |
     ->4)bDGlcA(1->3)bDGal(1->3)bDGlcNAc(1->