PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10196137-14 1999 Pcp2 stimulates GDP release from Galphao more than 5-fold without affecting kcat. Guanosine Diphosphate 16-19 guanine nucleotide binding protein, alpha O Mus musculus 33-40