label: [(1->3)-beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminyl] n
label_lc: [(1->3)-beta-d-galactosyl-(1->4)-n-acetyl-beta-d-glucosaminyl] n
description: "A glycosaminoglycan composed of a backbone of repeating beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosamine units joined by (1->3)  linkages."