tokens: The repressor activity of the 5'-UTR was localized to tandem GATA-like sites , which appear to bind a complex of two proteins , one of which is the erythroid transcription factor GATA-1 .
folded_tokens: the repressor activity of the 5'-utr was localized to tandem gata-like sites , which appear to bind a complex of two proteins , one of which is the erythroid transcription factor gata-1 .
labels: O B-other_name I-other_name O O B-DNA_domain_or_region O O O O B-DNA_family_or_group I-DNA_family_or_group O O O O O O O O O O O O O O O O B-protein_family_or_group B-protein_family_or_group I-protein_family_or_group B-protein_molecule O