tokens: Liberated NF-kappa B migrates to the nucleus , where it binds to specific promoter sites and activates gene transcription .
folded_tokens: liberated nf-kappa b migrates to the nucleus , where it binds to specific promoter sites and activates gene transcription .
labels: O B-protein_complex I-protein_complex O O O B-cell_component O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-other_name I-other_name O