TABLE 4.

Inhibition of bacterial ectoenzymatic activities

PQ concna	Enzyme activitiesb
	Phosphatase	Protease
0.1 nM	97	107
1 nM	102	103
10 nM	97	98
100 nM	94	120
1 μM	102	ND

^aEthanol controls had values similar to the control values.

^bThe control values were defined as 100.