An amino-terminal fragment of OCA-B binds the octamer site in the absence of a POU domain with the same sequence specificity .
an amino-terminal fragment of oca-b binds the octamer site in the absence of a pou domain with the same sequence specificity .
O B-protein_molecule I-protein_molecule O B-protein_molecule O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O