Unlike EKLF , Sp1 , which also binds to CACCC boxes , is not recruited to 5'HS3 .
unlike eklf , sp1 , which also binds to caccc boxes , is not recruited to 5'hs3 .
O B-protein_molecule O B-protein_molecule O O O O O B-polynucleotide O O O O O O B-DNA_domain_or_region O