PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27801570-7 2016 The structural difference between the two hexasaccharides was defined as the differential location of a single sulfate at either C-6 of glucosamine or C-2 of uronic acid in the reducing disaccharide, resulting in a 200-fold difference in binding affinity for MCP-1. Uronic Acids 158-169 C-C motif chemokine ligand 2 Homo sapiens 259-264