We have now identified a novel cis-acting element within the HIV-2 enhancer , immediately upstream of the kappa B site , designated peri-kappa B .
we have now identified a novel cis-acting element within the hiv-2 enhancer , immediately upstream of the kappa b site , designated peri-kappa b .
O O O O O O B-DNA_family_or_group I-DNA_family_or_group O O B-virus O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region I-DNA_domain_or_region O