4656
Pax-5 encodes the transcription factor BSAP which plays an essential role in early B cell development and midbrain patterning .
 ( protein: transcription factor, None) , ( protein: BSAP, None) , ( DNA: Pax-5, 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: transcription factor, None) , ( protein: BSAP, None) , ( DNA: Pax-5, None) 