tokens: In addition , we have isolated a third NF-kappa B inhibitor , I kappa B epsilon ( 1 ) .
folded_tokens: in addition , we have isolated a third nf-kappa b inhibitor , i kappa b epsilon ( 1 ) .
labels: O O O O O O O O B-protein_complex I-protein_complex O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O O