ChEBI: Beta-D-Galp-(1->3)-beta-D-GalpNAc-(1->4)-[alpha-Neup5Ac-(2->3)]-beta-D-Galp-(1->4)-beta-D-Glcp is a branched amino pentasaccharide consisting of the linear sequence beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc having a Neu5Ac residue attached to the inner galactose via an alpha-(2->3) linkage. The oligosaccharide of ganglioside GM1a. It has a role as an epitope.
