beta-D-GlcpNAc-(1->?)[beta-D-Glcp-(1->?)]-?-D-Glcp-(1->?)[beta-D-Galp-(1->?)]-?-D-Glcp-(1->3)[?-?-Hep?-(1->7)-alpha-?-Hep?-(1->7)]-alpha-?-Hep?4P-(1->3)[?-?-Hep?-(1->7)-alpha-?-Hep?-(1->7)]-alpha-?-Hep?4P-(1->?)-D-Kdo(?->