Octamer binding factors and their coactivator can activate the murine PU . 1 ( spi-1 ) promoter .
octamer binding factors and their coactivator can activate the murine pu . 1 ( spi-1 ) promoter .
B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O B-protein_family_or_group 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 I-DNA_domain_or_region I-DNA_domain_or_region O