Previous cotransfection experiments had demonstrated that ectopic expression of the lymphocyte-specific transcription factor Oct2 could efficiently activate a promoter containing an octamer motif .
previous cotransfection experiments had demonstrated that ectopic expression of the lymphocyte-specific transcription factor oct2 could efficiently activate a promoter containing an octamer motif .
O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group B-protein_molecule O O O O B-DNA_domain_or_region O O B-DNA_substructure I-DNA_substructure O