A synthetic oligodeoxyribonucleotide containing an SP1-box ( 5'-GGGCGG ) could compete with factors binding to the 12-bp insert .
a synthetic oligodeoxyribonucleotide containing an sp1-box ( 5'-gggcgg ) could compete with factors binding to the 12-bp insert .
O O B-polynucleotide O O B-DNA_domain_or_region O B-polynucleotide O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O