tokens: The p65 subunit of NF-kappa B regulates I kappa B by two distinct mechanisms .
folded_tokens: the p65 subunit of nf-kappa b regulates i kappa b by two distinct mechanisms .
labels: O B-protein_subunit I-protein_subunit O B-protein_molecule I-protein_molecule O B-protein_molecule I-protein_molecule I-protein_molecule O O O O O