tokens: PU . 1 is a hematopoietic transcription factor belonging to the Ets-family .
folded_tokens: pu . 1 is a hematopoietic transcription factor belonging to the ets-family .
labels: B-protein_molecule I-protein_molecule I-protein_molecule O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O B-protein_family_or_group O