PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2619925-5 1989 Treatment with phospholipase A2 stimulated Ca2+ penetration into liposomes driven by a valinomycin-induced diffusion potential or a nigericin-induced H+ gradient. Valinomycin 87-98 phospholipase A2 group IB Homo sapiens 15-31