Mutations at different sites within this proximal promoter region abolished the promoter activity as well as the DNA binding .
mutations at different sites within this proximal promoter region abolished the promoter activity as well as the dna binding .
O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-other_name I-other_name O O O O O O O