Analysis of truncated LTRs confirmed that inhibition of LTR activation was not mediated through NF-kappa B -binding activity but through the region containing the negative responding elements ( NREs ) .
analysis of truncated ltrs confirmed that inhibition of ltr activation was not mediated through nf-kappa b -binding activity but through the region containing the negative responding elements ( nres ) .
O O O B-DNA_domain_or_region O O O O B-DNA_domain_or_region O O O O O B-protein_molecule I-protein_molecule O O O O O O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O B-DNA_family_or_group O O