when plasma membranes prepared from cells prelabelled to isotopic steady state with [ 3h ] inositol were used , there was a mgatp2- dependent increase in the content of [ 3h ] ptdins ( 4,5 ) p2 and [ 3h ] ptdins4p that was enhanced specifically by exogenous ptdins ( 4,5 ) p2 also .
C0007603
plasma membranes
C0007634
cells