tokens: The CCAAT element present in reverse orientation in this promoter region of the ferritin H-chain gene is necessary for binding and for gene activity , since a single point mutation is able to abolish the binding of HRF and the transcriptional activity in transfected cells .
folded_tokens: the ccaat element present in reverse orientation in this promoter region of the ferritin h-chain gene is necessary for binding and for gene activity , since a single point mutation is able to abolish the binding of hrf and the transcriptional activity in transfected cells .
labels: O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O B-protein_molecule O O O O O O O O O O O O O O B-other_name I-other_name O O O O O O O B-protein_complex O O B-other_name I-other_name O B-cell_line I-cell_line O