[4)-beta-D-ManpNAc-(1->4)-alpha-D-Glcp-(1->2)-alpha-L-Rhap-1-P-(O->]n
[4)-beta-d-manpnac-(1->4)-alpha-d-glcp-(1->2)-alpha-l-rhap-1-p-(o->]n
A polysaccharide phosphate composed of a backbone of β-<small>D</small>-ManNAc-(1→4)-α-<small>D</small>-Glc-(1→2)-α-<small>L</small>-Rha-1-<em>P</em> repeating units connected by phosphodiester linkages between position 1 of the Rha residues and position 4 of the ManNAc residues.