7.1.2.1	Ca2+	19% of the activity with Mg2+	246935	
7.1.2.1	CaSO4	in plants grown with 5 mM CaSO4 supply, Vmax of plasma membrane ATPase increases	734941	
7.1.2.1	Co2+	43% of the activity with Mg2+	246935	
7.1.2.1	Co2+	can substitute for the physiological cofactor Mg2+	246946	
7.1.2.1	Cu2+	short-term (10 min) exposure to copper (0.25 mM) stimulates the activity of the enzyme. At longer exposure times (8 days) of Cu2+, the enzyme exhibits 1.7fold increased activity	748613	
7.1.2.1	Iron	the process of H+secretion, driven by PM-H+-ATPase, is enhanced in iron-deficient rice roots	734979	
7.1.2.1	K+	K+ stimulates enzyme	720724	
7.1.2.1	K+	KCl stimulates	246937	
7.1.2.1	K+	small activation	246946	
7.1.2.1	Mg2+	-	246935