tokens: NF-X2 that binds to the DRA X2-box is activator protein 1 .
folded_tokens: nf-x2 that binds to the dra x2-box is activator protein 1 .
labels: B-protein_molecule O O O O B-DNA_domain_or_region I-DNA_domain_or_region O B-protein_molecule I-protein_molecule I-protein_molecule O