tokens: Direct interaction of hematopoietic transcription factors PU . 1 and GATA-1 : functional antagonism in erythroid cells .
folded_tokens: direct interaction of hematopoietic transcription factors pu . 1 and gata-1 : functional antagonism in erythroid cells .
labels: O O O O O O O O O O O O O O O B-cell_type I-cell_type O