1667
The expression of the QR gene is regulated by the transcription factor AP-1 .
 ( DNA: QR gene, None) , ( protein: transcription factor, None) , ( protein: AP-1, None) , ( protein: QR, 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:
 ( DNA: QR gene, None) , ( protein: transcription factor, None) , ( protein: AP-1, None) , ( protein: QR, None) 