the effects of gtp , guanosine 5'-o- ( 2-thiodiphosphate ) ( gdp beta s ) , and guanosine 5'-o- ( 3-thiotriphosphate ) ( gtp gamma s ) on polyphosphoinositide hydrolysis stimulated by growth factors were studied in wfb cells made permeable to nucleotides by treatment with either saponin or pseudomonas aeruginosa cytotoxin .
C0018353
gtp
C0079469
gtp gamma s