tokens: Two gel shift complexes ( Mono A and Mono B ) were formed with separate sequence elements within this region .
folded_tokens: two gel shift complexes ( mono a and mono b ) were formed with separate sequence elements within this region .
labels: O B-protein_complex I-protein_complex I-protein_complex O B-protein_complex I-protein_complex O B-protein_complex I-protein_complex O O O O O O O O O O O