Positive and negative regulation of the composite octamer motif of the interleukin 2 enhancer by AP-1 , Oct-2 , and retinoic acid receptor .
positive and negative regulation of the composite octamer motif of the interleukin 2 enhancer by ap-1 , oct-2 , and retinoic acid receptor .
O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-protein_molecule O B-protein_molecule O O B-protein_molecule I-protein_molecule I-protein_molecule O