For these reasons , the 5'-flanking region of the GPIIb gene was used to identify the regions that interact with DNA-binding nuclear factors .
for these reasons , the 5'-flanking region of the gpiib gene was used to identify the regions that interact with dna-binding nuclear factors .
O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O