Coexpression of both proteins activated transcription of the -137 to -64 element in COS-7 cells .
coexpression of both proteins activated transcription of the -137 to -64 element in cos-7 cells .
O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-cell_line I-cell_line O