By competition analysis with transcription factor consensus sequence oligonucleotides and by immunosupershift , transcription factor SP-1 or a closely related protein was shown to bind to this regulatory element .
by competition analysis with transcription factor consensus sequence oligonucleotides and by immunosupershift , transcription factor sp-1 or a closely related protein was shown to bind to this regulatory element .
O O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O O B-other_name O B-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O