tokens: Hemin induction of K562 cells does not facilitate the binding of NF-E2 to its recognition site .
folded_tokens: hemin induction of k562 cells does not facilitate the binding of nf-e2 to its recognition site .
labels: B-other_name I-other_name O B-cell_line I-cell_line O O O O O O B-protein_molecule O O B-DNA_substructure I-DNA_substructure O