PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8449938-8 1993 Studies using 125I-Epo and the covalent cross-linking reagent disuccinimidyl suberate provided unambiguous evidence for ternary complexes of 125I-Epo.EpoR.gp55P on surfaces of all factor-independent cells. disuccinimidyl 62-76 erythropoietin receptor Homo sapiens 150-154