the concentration producing 50 % inhibition was 0.1mum for ouabain-sensitive mg ( 2+ ) -stimulated atpase , 0.2mum for k ( + ) -stimulated atpase , 0.1mum for ( na ( + ) , k ( + ) ) -stimulated atpase and 0.003mum for na ( + ) -stimulated atpase activity .
C0001473
atpase
C0001479
na