tokens: The promoter activity of cell cycle regulated histone H4 genes is regulated by at least four principal cis-acting elements which mediate G1/S phase control and/or enhancement of transcription during the cell cycle .
folded_tokens: the promoter activity of cell cycle regulated histone h4 genes is regulated by at least four principal cis-acting elements which mediate g1/s phase control and/or enhancement of transcription during the cell cycle .
labels: O B-other_name I-other_name O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O O B-other_name I-other_name I-other_name O O O O O O B-other_name I-other_name O