In most cases , the transcriptional factor NF-kappa B is a heterodimer consisting of two subunits , p50 and p65 , which are encoded by two distinct genes of the Rel family .
in most cases , the transcriptional factor nf-kappa b is a heterodimer consisting of two subunits , p50 and p65 , which are encoded by two distinct genes of the rel family .
O O O O O B-protein_family_or_group I-protein_family_or_group B-protein_molecule I-protein_molecule O O B-protein_complex O O O O O B-protein_molecule O B-protein_molecule O O O O O O O O O O B-DNA_family_or_group I-DNA_family_or_group O