PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16207072-3 2005 This radioimmunoconjugate consists of the monoclonal IgG1 antibody ibritumomab (the murine parent of rituximab) bound to the chelator tiuxetan and linked by a stable thiourea covalent bond to the beta-emitting radionuclide 90Y. ibritumomab tiuxetan 67-78 LOC105243590 Mus musculus 53-57