PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8109728-8 1993 We found that the luminescent intracellular Ca2+ indicator aequorin could be used successfully with pyrazine derivatives, and that the ability of these compounds to enhance cytolysin/perforin-mediated increases in [Ca2+]i corresponded to their previously reported ability to inhibit Na+/Ca2+ exchange in pituitary cell plasma membrane vesicles. Pyrazines 100-108 perforin 1 (pore forming protein) Mus musculus 173-182