Substitution mutations , which abolished binding of these proteins to the BR3 sequence , significantly increased hIL-5 promoter activity in activated T cells .
substitution mutations , which abolished binding of these proteins to the br3 sequence , significantly increased hil-5 promoter activity in activated t cells .
O O O O O O O O O O O B-DNA_domain_or_region O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-cell_type I-cell_type I-cell_type O