PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2552925-7 1989 The observed differential effects of the amiodarone analogs suggest that calmodulin may possess multiple benzofuran-binding sites that are recognized by specific targets and ligands of this Ca2+-binding protein and that the cellular action of amiodarone and its analogs may reflect calmodulin antagonism. benzofuran 105-115 calmodulin 1 Homo sapiens 73-83