Competition EMS analyses utilizing Sp1 and CREB binding site oligonucleotides demonstrate that Sp family members are critical components of U1 ( U1A/U1B ) and U2 and that ATF/CREB family members are critical components of C1-C3 .
competition ems analyses utilizing sp1 and creb binding site oligonucleotides demonstrate that sp family members are critical components of u1 ( u1a/u1b ) and u2 and that atf/creb family members are critical components of c1-c3 .
B-other_name I-other_name I-other_name 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 O O O B-DNA_domain_or_region O B-DNA_domain_or_region O O B-DNA_domain_or_region O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O B-DNA_domain_or_region O