Tax expressing T cell lines contained a constitutive level of NF-kappa B binding activity , detectable by mobility shift assay and uv cross-linking using a palindromic NF-kappa B probe homologous to the interferon beta PRDII site .
tax expressing t cell lines contained a constitutive level of nf-kappa b binding activity , detectable by mobility shift assay and uv cross-linking using a palindromic nf-kappa b probe homologous to the interferon beta prdii site .
B-protein_molecule O O O O O O O O O B-protein_molecule I-protein_molecule O O O O O B-other_name I-other_name I-other_name O B-other_name I-other_name O O B-DNA_molecule B-protein_molecule I-protein_molecule O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O