We have shown that both activating regions of Oct-2a , isolated from their natural context , can activate transcription as promoter factors .
we have shown that both activating regions of oct-2a , isolated from their natural context , can activate transcription as promoter factors .
O O O O O O O O B-protein_molecule O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O