tokens: p105 and p98 precursor proteins play an active role in NF-kappa B -mediated signal transduction .
folded_tokens: p105 and p98 precursor proteins play an active role in nf-kappa b -mediated signal transduction .
labels: B-protein_molecule O B-protein_molecule B-protein_family_or_group I-protein_family_or_group O O O O O B-protein_molecule I-protein_molecule O O O O