tokens: There are four putative NF-kappa B binding sites ( kappa B-1 , kappa B-2 , kappa B-3 , kappa B-4 ) in human TNF-alpha promoter .
folded_tokens: there are four putative nf-kappa b binding sites ( kappa b-1 , kappa b-2 , kappa b-3 , kappa b-4 ) in human tnf-alpha promoter .
labels: O O O O B-protein_complex I-protein_complex O O O B-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_domain_or_region I-DNA_domain_or_region O O B-protein_molecule I-protein_molecule O O