tokens: Interaction between PU . 1 and GATA-1 requires intact DNA-binding domains in both proteins .
folded_tokens: interaction between pu . 1 and gata-1 requires intact dna-binding domains in both proteins .
labels: O O B-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule O O B-protein_domain_or_region I-protein_domain_or_region O O O O