tokens: Reporter gene experiments demonstrated that NF-kappa B transcriptional activity is not affected by expression of activated p21ras .
folded_tokens: reporter gene experiments demonstrated that nf-kappa b transcriptional activity is not affected by expression of activated p21ras .
labels: B-other_name I-other_name I-other_name O O B-protein_molecule I-protein_molecule O O O O O O O O O B-DNA_domain_or_region O