We previously identified the P sequence as a critical regulatory element of the human IL-4 promoter .
we previously identified the p sequence as a critical regulatory element of the human il-4 promoter .
O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O B-DNA_family_or_group I-DNA_family_or_group O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O