label: 3-O-[beta-D-Xyl-(1->4)-Rib-ol-P-Rib-ol-P-3-beta-D-GalNAc-(1->3)-beta-D-GlcNAc-(1->4)-(O-6-P-alpha-D-Man)]-Thr-[protein] + UDP-alpha-D-glucuronate = 3-O-[beta-D-GlcA-(1->3)-beta-D-Xyl-(1->4)-Rib-ol-P-Rib-ol-P-3-beta-D-GalNAc-(1->3)-beta-D-GlcNAc-(1->4)-(O-6-P-alpha-D-Man)]-Thr-[protein] + UDP + H(+)
label_lc: 3-o-[beta-d-xyl-(1->4)-rib-ol-p-rib-ol-p-3-beta-d-galnac-(1->3)-beta-d-glcnac-(1->4)-(o-6-p-alpha-d-man)]-thr-[protein] + udp-alpha-d-glucuronate = 3-o-[beta-d-glca-(1->3)-beta-d-xyl-(1->4)-rib-ol-p-rib-ol-p-3-beta-d-galnac-(1->3)-beta-d-glcnac-(1->4)-(o-6-p-alpha-d-man)]-thr-[protein] + udp + h(+)