One family of host transcription factors whose activity is altered by Tax includes NF-kappa B/Rel .
one family of host transcription factors whose activity is altered by tax includes nf-kappa b/rel .
O O O B-protein_family_or_group B-protein_family_or_group I-protein_family_or_group O O O O O B-protein_molecule O B-protein_complex I-protein_complex O