PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3733748-1 1986 Distances between the four Ca2+-binding sites of calmodulin (CaM) have been measured by fluorescence energy transfer techniques using Eu3+ and Tb3+ as energy donors and a number of other lanthanide ions (Ln3+) as acceptors. tb3+ 143-147 calmodulin 1 Homo sapiens 49-59 3733748-1 1986 Distances between the four Ca2+-binding sites of calmodulin (CaM) have been measured by fluorescence energy transfer techniques using Eu3+ and Tb3+ as energy donors and a number of other lanthanide ions (Ln3+) as acceptors. tb3+ 143-147 calmodulin 1 Homo sapiens 61-64