Previous characterization of the GPIX promoter identified a functional Ets site that , when disrupted , reduced promoter activity .
previous characterization of the gpix promoter identified a functional ets site that , when disrupted , reduced promoter activity .
O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O O B-other_name I-other_name O