TABLE 2.

Binding of [³H]thymidine-labeled recombinant or wild-type virus to receptor-positive and -negative cells

Virus	Acid-precipitable radioactivity (cpm) bound to:
	Rajia		P3HR1-C15b
	Expt 1	Expt 2	Expt 1	Expt 2
Wild type
Without MAb	3,152	4,781	319	283
With MAb 72A1	318	343	NDc	ND
Recombinant clone 2
Without MAb	2,127	3,532	467	636
With MAb 72A1	532	491	ND	ND
Recombinant clone 26
Without MAb	2,822	2,912	285	591
With MAb 72A1	374	391	ND	ND

^aReceptor-positive cells. 

^bReceptor-negative cells. 

^cND, not done.