label: [4)-beta-D-GlcA-(1->4)-2-O-Ac-beta-D-GlcA-(1->4)-beta-D-Glc-(1->4)-[3-O-(CH3CH(OH)CH2C(O))-(R)-4,6-CH3(COO(-))C-beta-D-Gal-(1->3)-beta-D-Glc-(1->4)-beta-D-Glc-(1->4)-beta-D-Glc-(1->6)]-2-O-Ac-alpha-DGlc-(1->](n) + n phosphoenolpyruvate <=> [4)-beta-D-GlcA-(1->4)-2-O-Ac-beta-D-GlcA-(1->4)-beta-D-Glc-(1->4)-[3-O-(CH3CH(OH)CH2C(O))-(R)-4,6-CH3(COO(-))C-beta-D-Gal-(1->3)-(S)-4,6-CH3(COO(-))C-beta-D-Glc-(1->4)-beta-D-Glc-(1->4)-beta-D-Glc-(1->6)]-2-O-Ac-alpha-DGlc-(1->](n) + n phosphate
label_lc: [4)-beta-d-glca-(1->4)-2-o-ac-beta-d-glca-(1->4)-beta-d-glc-(1->4)-[3-o-(ch3ch(oh)ch2c(o))-(r)-4,6-ch3(coo(-))c-beta-d-gal-(1->3)-beta-d-glc-(1->4)-beta-d-glc-(1->4)-beta-d-glc-(1->6)]-2-o-ac-alpha-dglc-(1->](n) + n phosphoenolpyruvate <=> [4)-beta-d-glca-(1->4)-2-o-ac-beta-d-glca-(1->4)-beta-d-glc-(1->4)-[3-o-(ch3ch(oh)ch2c(o))-(r)-4,6-ch3(coo(-))c-beta-d-gal-(1->3)-(s)-4,6-ch3(coo(-))c-beta-d-glc-(1->4)-beta-d-glc-(1->4)-beta-d-glc-(1->6)]-2-o-ac-alpha-dglc-(1->](n) + n phosphate