tokens: Two tandem AP1 binding sites with dyad symmetry are required for enhancer activity and for DNA-protein complex formation with members of the c-fos/c-jun family .
folded_tokens: two tandem ap1 binding sites with dyad symmetry are required for enhancer activity and for dna-protein complex formation with members of the c-fos/c-jun family .
labels: O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O O B-other_name I-other_name O O B-protein_complex I-protein_complex O O O O O B-protein_domain_or_region I-protein_domain_or_region O