5674
The transcription factor E2F-1 plays a central role in the cell cycle through its ability to activate genes involved in cell division .
 ( protein: transcription factor, None) , ( protein: E2F-1, None) , ( DNA: activate genes, 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: E2F-1, None) , ( DNA: activate genes, None) 