Indeed , when Tax is coexpressed with the E2F-1 transcription factor in CEM T-cells , which lack expression of p16 ( INK4A ) , it strongly potentiates the E2F -dependent activation of a reporter construct driven by a promoter containing E2F binding sites .
indeed , when tax is coexpressed with the e2f-1 transcription factor in cem t-cells , which lack expression of p16 ( ink4a ) , it strongly potentiates the e2f -dependent activation of a reporter construct driven by a promoter containing e2f binding sites .
O O O B-protein_molecule O O O O B-protein_molecule B-protein_family_or_group I-protein_family_or_group O B-cell_line I-cell_line O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O O O B-protein_molecule O O O O O O O O O O O B-protein_molecule O O O