The major putative downstream site for E2F , located in the first exon , serves as a target for E2F-1/DP1 complex binding in vitro .
the major putative downstream site for e2f , located in the first exon , serves as a target for e2f-1/dp1 complex binding in vitro .
O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-protein_family_or_group O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O B-protein_complex I-protein_complex O O O O