PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3597392-1 1987 Calmodulin (CaM), the calcium binding protein that modulates the activity of a number of key regulatory enzymes, is present at high levels in sperm. Calcium 22-29 calmodulin-2 Equus caballus 0-10 3597392-1 1987 Calmodulin (CaM), the calcium binding protein that modulates the activity of a number of key regulatory enzymes, is present at high levels in sperm. Calcium 22-29 calmodulin-2 Equus caballus 12-15