We demonstrate , through the deletion of the human UDG promoter sequences , that expression of E2F-1 activates the UDG promoter through several E2F sites .
we demonstrate , through the deletion of the human udg promoter sequences , that expression of e2f-1 activates the udg promoter through several e2f sites .
O O O O O O O O B-DNA_domain_or_region B-protein_molecule O O O O O O B-protein_molecule O O B-protein_molecule O O O B-protein_family_or_group O O