13264
In addition, Tax also stimulates the transcription of the E2F-1 gene itself.
 ( protein: E2F-1, None) , ( protein: Tax, None) , ( DNA: E2F-1 gene, 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: E2F-1, None) , ( protein: Tax, None) , ( DNA: E2F-1 gene, None) 