PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8161458-2 1994 When ATPi closed KATP channels, activators of endogenous G proteins, GTP (plus adenosine or acetylcholine), GTP gamma S, or AlF-4 stimulated channels, an effect prevented by GDP beta S. guanosine 5'-O-(2-thiodiphosphate) 174-184 ATP synthase inhibitory factor subunit 1 Homo sapiens 5-9