PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6314931-3 1983 Calmodulin dependent phosphodiesterase was activated with Pb2+, Ca2+, Sr2+, Ba2+, and Cd2+ (EC50 about 0.8 microM). strontium cation 70-74 calmodulin 1 Homo sapiens 0-10 6314931-10 1983 Calmodulin binding to brain membranes was enhanced with concentrations below 10(-4)M in the following order: Pb2+ greater than or equal to Ca2+ approximately Sr2+ greater than Cd2+ greater than Mn2+ greater than Ba2+. strontium cation 158-162 calmodulin 1 Homo sapiens 0-10 6314931-13 1983 In the flow-dialysis, other ions competed with 45Ca2+ binding to calmodulin in the following order: Pb2+ approximately Ca2+ greater than Mn2+, Ba2+, Cd2+, Sr2+. strontium cation 155-159 calmodulin 1 Homo sapiens 65-75