However , these studies have used a limited number of known kappa B DNA motifs , and the question of the optimal DNA sequences preferred by each homodimer has not been addressed .
however , these studies have used a limited number of known kappa b dna motifs , and the question of the optimal dna sequences preferred by each homodimer has not been addressed .
O O O O O O O O O O O B-DNA_substructure I-DNA_substructure I-DNA_substructure I-DNA_substructure O O O O O O B-DNA_N/A I-DNA_N/A I-DNA_N/A O O O O O O O O O