We find that the factor that binds to the E3 enhancer motif , CATGTGGC , is a ubiquitous transcription factor .
we find that the factor that binds to the e3 enhancer motif , catgtggc , is a ubiquitous transcription factor .
O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-polynucleotide O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O