tokens: To determine whether it is possible to artificially enhance the opening of the chromatin structure of a minimal beta-globin promoter , we placed a 101bp , erythroid-specific DNase 1 hypersensitive site-forming element ( HSFE ) immediately upstream of the beta-globin promoter and gene .
folded_tokens: to determine whether it is possible to artificially enhance the opening of the chromatin structure of a minimal beta-globin promoter , we placed a 101bp , erythroid-specific dnase 1 hypersensitive site-forming element ( hsfe ) immediately upstream of the beta-globin promoter and gene .
labels: O O O O O O O O O O O O O O O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O O O O O 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 B-DNA_domain_or_region O O O O O O O O O O