Inducible expression of human immunodeficiency virus ( HIV ) is regulated by a cellular transcription factor , nuclear factor kappa B ( NF-kappa B ) .
inducible expression of human immunodeficiency virus ( hiv ) is regulated by a cellular transcription factor , nuclear factor kappa b ( nf-kappa b ) .
O O O B-virus I-virus I-virus O B-virus O O O O O O B-protein_family_or_group I-protein_family_or_group O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule I-protein_molecule O O