In contrast , gp41 failed to stimulate NF-kappaB binding activity in as much as no NF-kappaB bound to the main NF-kappaB -binding site 2 of the IL-10 promoter after addition of gp41 .
in contrast , gp41 failed to stimulate nf-kappab binding activity in as much as no nf-kappab bound to the main nf-kappab -binding site 2 of the il-10 promoter after addition of gp41 .
O O O B-protein_molecule O O O B-protein_complex O O O O O O O B-protein_complex O O O B-DNA_domain_or_region B-protein_complex O O O O O B-protein_molecule O O O O B-protein_molecule O