FIG. 3.
E1A inhibits activities of intact E47 and E47 fusion proteins. Activities of E47, E47-VP16, and GAL4-E47 were determined in NIH 3T3 cells transfected as indicated in the legend to Fig. 1, in the absence or presence of plasmids (1 μg) expressing the indicated E1A proteins. The p300/CBP binding site on E1A is removed in N-terminal deletions del2-36 and del37-68.