PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7521209-1 1994 High-field NMR spectroscopy has been used to study the complex formed by the tetrasaccharide sialyl Lewis X and its receptor, E-selectin. tetrasaccharide 77-92 selectin E Homo sapiens 126-136