These transcription factors are either not produced due to block of transcription of their respective genes ( Oct-2 , OBF-1 , PU . 1 ) , or are rendered inactive posttranslationally ( NF-kappa B , E47 ) .
these transcription factors are either not produced due to block of transcription of their respective genes ( oct-2 , obf-1 , pu . 1 ) , or are rendered inactive posttranslationally ( nf-kappa b , e47 ) .
O B-protein_family_or_group I-protein_family_or_group O O O O O O O O O O O O O O B-DNA_domain_or_region O B-DNA_domain_or_region O B-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O O B-protein_complex I-protein_complex O B-DNA_domain_or_region O O