6469
PU.1 is a hematopoietic-specific Ets family transcription factor that is required for development of some lymphoid and myeloid lineages .
 ( protein: hematopoietic-specific Ets family transcription factor, None) , ( protein: PU.1, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: hematopoietic-specific Ets family transcription factor, None) , ( protein: PU.1, None) 