treatment of ghosts with phospholipase a2 ( from either procine pancreas of naja naja venom ) , under conditions causing an essentially complete hydrolysis of the total glycerophospholipid fraction of the membrane , results in inactivation of the ( ca2+ + mg2+ ) -atpase by some 80 -- 85 % .
C0020291
hydrolysis
C0001473
atpase