label: 3-O-[beta-D-GlcA-(1->3)-beta-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-2-O-P-Xyl]-L-seryl-[protein] + H2O => 3-O-(beta-D-GlcA-(1->3)-beta-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-Xyl)-L-seryl-[protein] + phosphate
label_lc: 3-o-[beta-d-glca-(1->3)-beta-d-gal-(1->3)-beta-d-gal-(1->4)-beta-d-2-o-p-xyl]-l-seryl-[protein] + h2o => 3-o-(beta-d-glca-(1->3)-beta-d-gal-(1->3)-beta-d-gal-(1->4)-beta-d-xyl)-l-seryl-[protein] + phosphate