the role of a gtp-binding protein in activation of phospholipase c in bovine corneal epithelium was determined by investigating the effects of non-hydrolyzable gtp analog , gtp-gamma-s , and naf on breakdown of phosphatidylinositol 4,5-bisphosphate ( pip2 ) in this tissue .
C0018353
gtp
C0079469
gtp-gamma-s