PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2413983-2 1985 Conventional immunoelectrophoresis and radioimmunoelectrophoresis in conjunction with iodine 125-labeled CEA strongly suggested that this serum contained M-protein (IgG kappa). Iodine 86-92 myomesin 2 Homo sapiens 154-163