label: S. flexneri serotype 5a O-polysaccharide (O factor 9-negative)
label_lc: s. flexneri serotype 5a o-polysaccharide (o factor 9-negative)
description: "A polysaccharide derivative comprised of a [2)-alpha-L-Rhap(III)-(1->2)-alpha-L-Rhap(II)-(1->3)-alpha-L-Rhap(I)-(1->3)-beta-D-GlcpNAc-(1->] tetrasaccharide repeat modified by the (1->3) linkage of an alpha-D-glucosyl group to the Rha(II) residue."