However , analysis of deletion mutants localized nearly all of the promoter activity to a short region ( -73 to -16 ) that did not include the cluster of c-Myb sites .
however , analysis of deletion mutants localized nearly all of the promoter activity to a short region ( -73 to -16 ) that did not include the cluster of c-myb sites .
O O O O B-DNA_family_or_group I-DNA_family_or_group O O O O O B-other_name I-other_name O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O