tokens: We provide a model of megakaryocytic differentiation in which expression of the alpha2 integrin gene requires signaling via the MAP kinase pathway to activate two tandem AP1 binding sites in the alpha2 integrin enhancer .
folded_tokens: we provide a model of megakaryocytic differentiation in which expression of the alpha2 integrin gene requires signaling via the map kinase pathway to activate two tandem ap1 binding sites in the alpha2 integrin enhancer .
labels: O O O O O B-other_name I-other_name O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O B-protein_family_or_group I-protein_family_or_group O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O