13261
In this paper, we demonstrate that Tax can also activate E2F -mediated transcription independently of p16(INK4A) .
 ( protein: p16(INK4A), None) , ( protein: E2F, None) , ( protein: Tax, 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: p16(INK4A), None) , ( protein: E2F, None) , ( protein: Tax, None) 