Table 3.

Effect of divalent cations and chemicals on TM lyso-PAF AT activity. Results are the average of two independent determinations using different enzyme preparations performing duplicate samples.

	Concentration	Lyso-PAF AT specific
	(M)	activity (% of control)
MgCl2	10−4	101
MgCl2	10−3	94
MgCl2	10−2	81
CaCl2	10−5	94
CaCl2	10−4	104
CaCl2	10−3	108
CaCl2	10−2	54∗
EDTA	10−3	53∗
EDTA + CaCl2	10−3+10−2	70

^∗P < .05 versus control.