2151
Recently, p57 was identified to be very similar, if not identical, to polypyrimidine tract-binding protein .
 ( protein: p57, None) , ( protein: polypyrimidine tract-binding protein, 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: p57, None) , ( protein: polypyrimidine tract-binding protein, None) 