We also find significant differences in activation of germline and V region promoters by kappa enhancers .
we also find significant differences in activation of germline and v region promoters by kappa enhancers .
O O O O O O O O B-DNA_domain_or_region O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_family_or_group I-DNA_family_or_group O