PU . 1 is a hematopoietic transcription factor belonging to the Ets-family .
pu . 1 is a hematopoietic transcription factor belonging to the ets-family .
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