PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11342430-5 2001 In vitro binding assays of RGS18 with megakaryocyte cell lysates with or without AlF(4)(-) treatment demonstrated that RGS18 specifically binds to 2 alpha subunits of the G protein, Galphai and Galphaq. tetrafluoroaluminate 81-88 guanine nucleotide binding protein, alpha q polypeptide Mus musculus 144-201