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