tokens: In mammalian cells , I kappa B alpha and I kappa B beta proteins have been purified and shown to be the inhibitors of NF-kappa B through their association with the p65 or c-Rel subunits .
folded_tokens: in mammalian cells , i kappa b alpha and i kappa b beta proteins have been purified and shown to be the inhibitors of nf-kappa b through their association with the p65 or c-rel subunits .
labels: O B-cell_type I-cell_type O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O O O O O B-protein_complex I-protein_complex O O O O O O O O O O