PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17618031-4 2007 Similarly, the normal propidium ion uptake induced by BzATP at the wild-type P2X(7) receptor was abolished by the two mutants. Propidium 22-31 purinergic receptor P2X 7 Homo sapiens 77-92