tokens: Pb -induced activation of NF-kappa B is blocked by antibodies for p65 and p50 subunits but not cRel , indicating that the p65 : p50 heterodimer ( NF-kappa B ) is involved .
folded_tokens: pb -induced activation of nf-kappa b is blocked by antibodies for p65 and p50 subunits but not crel , indicating that the p65 : p50 heterodimer ( nf-kappa b ) is involved .
labels: B-atom O O O B-protein_complex I-protein_complex O O O B-protein_family_or_group O B-protein_subunit O B-protein_subunit O O O B-protein_molecule O O O O B-protein_complex I-protein_complex I-protein_complex I-protein_complex O B-protein_complex I-protein_complex O O O O