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	
7.1.2.1	Mg2+	3 mM used in assay conditions	746706	
7.1.2.1	Mg2+	activates	246943, 747880	
7.1.2.1	Mg2+	dependent on	718949	
7.1.2.1	Mg2+	Mg2+ binding site	246941	
7.1.2.1	Mg2+	Mg2+ may bring about an increase in the affinity of the enzyme for MgATP2-	246938	
7.1.2.1	Mg2+	required	246937, 246938, 246945, 246946, 710812, 710844, 712552, 712599, 713257, 720320	
7.1.2.1	Mg2+	required for activity. Activity without inhibition is measured in the presence of 3 mM Mg2+ in excess of total ATP	718783	
7.1.2.1	Mg2+	stimulation. The effect is additive to that of spermine	689493	
7.1.2.1	Mn2+	36% of the activity with Mg2+	246935	
7.1.2.1	Mn2+	can substitute for the physiological cofactor Mg2+	246946	
7.1.2.1	NaCl	in plants grown with 100 mM NaCl supply, ATPase activity increases with salinity in a non-competitive way for 7 d and 21 d. In plants grown with 10 mM K2SO4 plus 100 mM NaCl supply, activity decreases competitively with Na+, after 21 d of salinity, with different effects on Km and Vmax	734941	
7.1.2.1	Rb+	small activation	246946	
7.1.2.1	Zn2+	33% of the activity with Mg2+	246935	
7.1.2.1	Zn2+	at longer exposure times (8 days) of Zn2+, the enzyme exhibits 2.7fold increased activity	748613	
7.1.2.1	Zn2+	short-term (10 min) exposure to zinc (0.25 mM) stimulates the activity of the enzyme	748613