tokens: GM-kappa B defines a binding site for NF-kappa B , and GC-box defines a binding site for three ( A1 , A2 , B ) constitutive proteins .
folded_tokens: gm-kappa b defines a binding site for nf-kappa b , and gc-box defines a binding site for three ( a1 , a2 , b ) constitutive proteins .
labels: B-protein_molecule I-protein_molecule O O O O O B-protein_molecule I-protein_molecule O O B-DNA_domain_or_region O O O O O O O B-protein_molecule O B-protein_molecule O B-protein_molecule O B-protein_family_or_group I-protein_family_or_group O