PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11159936-4 2001 In myocardial cells, the RyR2 protein, activated by Ca(2+), induces the release of calcium from the sarcoplasmic reticulum into the cytosol. Calcium 83-90 ryanodine receptor 2 Homo sapiens 25-29