PU . 1 ( the Spi-1 oncogene ) and Spi-B are closely related members of the ets transcription factor family , sharing similar DNA binding specificities mediated by similar DNA binding domains .
pu . 1 ( the spi-1 oncogene ) and spi-b are closely related members of the ets transcription factor family , sharing similar dna binding specificities mediated by similar dna binding domains .
B-protein_molecule I-protein_molecule I-protein_molecule O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-protein_molecule O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O B-other_name I-other_name I-other_name O O O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O