4.2.2.16	CaCl2	1 mM, activation to 136% of control	644458	
4.2.2.16	CaCl2	1 mM, activation to 156% of control. 10 mM, activation to 181% of control	644457	
4.2.2.16	MgCl2	10 mM, activation to 127% of control	652596	
4.2.2.16	NaCl	1 mM, activation to 125% of control. 10 mM, activation to 142% of control	644457