PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10608281-0 1999 Myr+-Gi2 alpha and Go alpha subunits restore the efficacy of opioids, clonidine and neurotensin giving rise to antinociception in G-protein knock-down mice. Clonidine 70-79 guanine nucleotide binding protein, alpha O Mus musculus 19-27 10924811-12 2000 Pretreatment with antisense ODN to G(oalpha) attenuated both morphine and clonidine induced antinociception and did not affect synergism between the agonists. Clonidine 74-83 guanine nucleotide binding protein, alpha O Mus musculus 35-44