tokens: The promoter sequence analysis of these two genes revealed that they are embedded within a CpG island and share structural features often found in the promoters of housekeeping genes .
folded_tokens: the promoter sequence analysis of these two genes revealed that they are embedded within a cpg island and share structural features often found in the promoters of housekeeping genes .
labels: O O O O O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O B-DNA_family_or_group O B-DNA_family_or_group I-DNA_family_or_group O