12543
Since the co-expression with a dominant negative c-Fos abolished the responsiveness to TPA , we conclude that activated transcription of the DRA gene depends on interactions between the X2 box and NF-X2 , which contains c-Fos .
 ( protein: c-Fos, None) , ( DNA: DRA gene, None) , ( protein: c-Fos, None) , ( DNA: X2 box, None) , ( DNA: NF-X2, 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: c-Fos, None) , ( DNA: DRA gene, None) , ( protein: c-Fos, None) , ( DNA: X2 box, None) , ( DNA: NF-X2, None) 