TABLE 1.

The 3′-OH processing activities of RSV INs

The 3′-OH processing activity of the RSV IN constructs was determined as described earlier (15) in the presence of Mg²⁺ at 37 °C for the indicated times. The standard deviation was determined from at least three independent experiments.

	Activity at 5 min	Activity at 30 min
	%	%
RSV IN(1–269)	18 ± 1	39 ± 5
RSV IN(1–274)	16 ± 2	39 ± 2
RSV IN(1–278)	24 ± 2	44 ± 3
RSV IN S282D	20 ± 1	43 ± 5
RSV IN(1–286)	21 ± 2	43 ± 4
RSV IN(1–323)	1 ± 0.1	4 ± 1