tokens: Bal 31 deletion mapping data suggested that one GATA-1 motif , one GT motif , and two NF-E2/AP1 motifs together formed the functional core of HS-40 in the erythroid-specific activation of the zeta 2 globin promoter .
folded_tokens: bal 31 deletion mapping data suggested that one gata-1 motif , one gt motif , and two nf-e2/ap1 motifs together formed the functional core of hs-40 in the erythroid-specific activation of the zeta 2 globin promoter .
labels: O O O O O O O O O O O O O O O O O O O O O O O O O B-DNA_domain_or_region 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 O