tokens: We have found that a region in both genes ( -276 to -250 for IL-2-R alpha and -203 to -183 for IL-2 ) , which corresponds to a kappa B enhancer element , is specifically protected by nuclear proteins from IARC 301 .
folded_tokens: we have found that a region in both genes ( -276 to -250 for il-2-r alpha and -203 to -183 for il-2 ) , which corresponds to a kappa b enhancer element , is specifically protected by nuclear proteins from iarc 301 .
labels: O O O O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-DNA_domain_or_region O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O B-protein_family_or_group I-protein_family_or_group O B-cell_line I-cell_line O