In vitro-translated proteins , truncated downstream of the Rel domain and excluding the repeats , bind kappa B sites .
in vitro-translated proteins , truncated downstream of the rel domain and excluding the repeats , bind kappa b sites .
O B-protein_family_or_group I-protein_family_or_group O O O O O B-DNA_domain_or_region I-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 O