PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8592160-1 1996 The kappa-opioid receptor agonists including U-50,488H and dynorphin A (1-17) in ranges of 0.1-100 nM inhibited the hydrolysis of GTP to GDP (P(i) release) inherent in GTP-binding proteins (G proteins) in guinea pig cerebellar membranes. Guanosine Diphosphate 137-140 kappa-type opioid receptor Cavia porcellus 4-25