PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15126052-11 2004 When cells were exposed to cyclopiazonic acid (CPA) to release SR calcium stores, P(o) increased slowly, then persisted at large values. sr calcium 63-73 carboxypeptidase A1 Homo sapiens 47-50