tokens: In order to determine the cis-acting elements necessary for both basal and phorbol 12-myristate-13 acetate ( PMA ) -enhanced promoter activity , we performed deletion analysis and reporter gene assays .
folded_tokens: in order to determine the cis-acting elements necessary for both basal and phorbol 12-myristate-13 acetate ( pma ) -enhanced promoter activity , we performed deletion analysis and reporter gene assays .
labels: O O O O O B-DNA_family_or_group I-DNA_family_or_group O O O O O B-other_organic_compound I-other_organic_compound I-other_organic_compound O B-other_organic_compound O O O O O O O B-other_name I-other_name O B-DNA_family_or_group I-DNA_family_or_group O O