tokens: Antiserum specific for NF-kappa B binding proteins , but not c-rel-specific antiserum , disrupted heterodimer complex formation .
folded_tokens: antiserum specific for nf-kappa b binding proteins , but not c-rel-specific antiserum , disrupted heterodimer complex formation .
labels: O O O B-protein_molecule I-protein_molecule O O O O O B-other_organic_compound I-other_organic_compound O O B-protein_complex I-protein_complex O O