TABLE 2.

Activation of U6 promoter by large-T-antigen mutants^a

WT or mutant	% of WT level	SD
WT	100	3.0
inA2803	67	4.5
inA2807	68	1.5
inA2815	20	2.5
inA2817	75	2.0
inA2831	79	2.0
inA2835	40	6.5
inA2420	26	3.0

^aQuantitation was taken from the points for 5 μg of plasmid input in Fig. 3.