3.1.3.41	Ca2+	activates	681331	
3.1.3.41	K+	dependent	681331, 682284	
3.1.3.41	K+	required	730236	
3.1.3.41	K+	required, stimulates the 4-nitrophenyl phosphatase activity	664640	
3.1.3.41	K+	stimulates the 4-nitrophenyl phosphatase activity of the Na+/K+-ATPase	664474	
3.1.3.41	KCl	activates the 4-nitrophenyl phosphatase activity of the Na+/K+-ATPase only in presence of NaCl, gradually inhibits ATPase activity of the enzyme	664902	
3.1.3.41	Mg2+	-	664474, 664902	
3.1.3.41	Mg2+	2 mM, 120% of initial activity	751293	
3.1.3.41	Mg2+	activity stimulating	681331	
3.1.3.41	Mg2+	dependent	682284	
3.1.3.41	Mg2+	dependent on	730890	
3.1.3.41	Mg2+	required	730236	
3.1.3.41	Mg2+	required, stimulates the 4-nitrophenyl phosphatase activity	664640	
3.1.3.41	Mg2+	the 4-nitrophenyl phosphatase activity is dependent on Mg2+	664031	
3.1.3.41	Mn2+	activates	681331	
3.1.3.41	Mn2+	activity stimulating	681331	
3.1.3.41	additional information	neither Ba2+ nor Sr2+ is able to activate pNPPase activity	681331	
3.1.3.41	NaCl	activates the 4-nitrophenyl phosphatase activity of the Na+/K+-ATPase, increases stimulation by other agents, e.g. KCl, oligomycin, and ATP, stimulation mechanism and kinetics, is also required for ATPase activity of the enzyme	664902	
3.1.3.41	NH4+	stimulates 4-nitrophenyl phosphatase activity	664640