In contrast , no effect on the levels of the octamer binding proteins , Oct-1 or Oct-2 , were found .
in contrast , no effect on the levels of the octamer binding proteins , oct-1 or oct-2 , were found .
O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O B-protein_molecule O B-protein_molecule O O O O