tokens: However , the C26 element alone , even when repeated , could not be activated by p40tax , unlike other NF-kappa B -binding elements .
folded_tokens: however , the c26 element alone , even when repeated , could not be activated by p40tax , unlike other nf-kappa b -binding elements .
labels: O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O O B-protein_molecule O O O B-protein_molecule I-protein_molecule O O O