both effects of fmrfamide were mimicked by injection of guanosine 5'-o- ( 3-thiotriphosphate ) ( gtp-gamma-s ) into the cell , suggesting that the peptide may exert its effects by activating a guanosine 5'-triphosphate ( gtp ) -binding protein
C0079469
guanosine 5
C0018353
guanosine