TABLE 2.

Biochemical activities of HSV-1 5/8/52, IT 5/8/52, and HSV-1 5/52 in the absence or presence of UL8

Complex	Biochemical activity
	ATPasea	Helicaseb	Primaseb	Leading strandb
HSV-1 5/8/52	1.35	100	100	100
IT 5/8/52
−UL8	1.40	26	7	195
+UL8	NDc	31	6.6	ND
HSV-1 5/52
−UL8	1.45	4.8	9	0
+UL8	ND	32.6	53.2	ND

^aExpressed as nanomoles of P_i released per picomole of enzyme per hour. 

^bExpressed as percentage of HSV-1 5/8/52 activity. 

^cND, not done.