Mutation of the AP1 motif in the context of the intron enhancer was shown to decrease enhancer-mediated activation of the promoter in both pre-B cells induced with LPS and constitutive expression in mature B cells .
mutation of the ap1 motif in the context of the intron enhancer was shown to decrease enhancer-mediated activation of the promoter in both pre-b cells induced with lps and constitutive expression in mature b cells .
O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O B-other_name I-other_name O O O O O B-cell_type I-cell_type O O O O O O O B-cell_type I-cell_type I-cell_type O