PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9054576-5 1997 Here, an extensive survey is done of farnesylcysteine analogs and other lipid molecules, which are tested for their ability to inhibit GTP/GDP exchange in transducin catalyzed by photolyzed rhodopsin. Guanosine Diphosphate 139-142 rhodopsin Homo sapiens 190-199