In promoter regions , the actively transcribed genes demonstrated extensive and consistent footprints over the canonical elements , such as CACCC and CCAAT motifs .
in promoter regions , the actively transcribed genes demonstrated extensive and consistent footprints over the canonical elements , such as caccc and ccaat motifs .
O B-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O O O O O O O O O O O O O O O O O