calpain i purified from human erythrocyte cytosol activates both the atp hydrolytic activity and the atp-dependent ca2+ transport function of the ca2 ( + ) -translocating atpase solubilized and purified from the plasma membrane of human erythrocytes and reconstituted into phosphatidylcholine vesicles .
C1510699
atp
C0001473
atpase