We have examined the DRA promoter for protein-DNA interactions in the intact cell , which may mediate transcriptional activation .
we have examined the dra promoter for protein-dna interactions in the intact cell , which may mediate transcriptional activation .
O O O O B-DNA_domain_or_region I-DNA_domain_or_region O B-other_name I-other_name O O B-cell_type I-cell_type O O O O B-other_name I-other_name O