PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2211700-13 1990 Since IdoA(2-SO4)----GalNAc(4-SO4) comprises only approximately 5% of the disaccharides present in intact dermatan sulfate, clustering of these disaccharides must occur during biosynthesis to form the high-affinity binding site for HCII. idoa(2-so4)----galnac 6-27 serpin family D member 1 Homo sapiens 232-236