PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8627525-6 1996 GTP gamma S significantly (P < .05) decreased the affinity of the receptor for 125I-BOP in COS-7 cell membranes coexpressing HEL-TXR and G alpha 13 to a value comparable to HEL-TXA2 receptor alone. Guanosine Triphosphate 0-3 BOP Homo sapiens 87-90