PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16807373-1 2006 The importance of heparan- and chondroitin-sulfate proteoglycans in physiological and pathological processes led to the investigation of the regulation of beta1,3-glucuronosyltransferase I (GlcAT-I), responsible for the completion of glycosaminoglycan-protein linkage tetrasaccharide, a key step prior to polymerization of chondroitin- and heparan-sulfate chains. Chondroitin 31-42 beta-1,3-glucuronyltransferase 3 Homo sapiens 190-197