In contrast , a mutant of Tax termed M22 , which does not induce NF-kappaB , fails to activate either IKKalpha or IKKbeta .
in contrast , a mutant of tax termed m22 , which does not induce nf-kappab , fails to activate either ikkalpha or ikkbeta .
O O O O O O B-protein_molecule O B-protein_molecule O O O O O B-protein_complex O O O O O B-protein_molecule O B-protein_molecule O