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These downstream sequence elements , termed DSE , can bind both AP-1 and CREB/ATF transcription factors .
 ( DNA: DSE, None) , ( protein: AP-1, None) , ( DNA: downstream sequence elements, None) , ( protein: transcription factors, None) , ( protein: CREB/ATF, 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: DSE, None) , ( protein: AP-1, None) , ( DNA: downstream sequence elements, None) , ( protein: transcription factors, None) , ( protein: CREB/ATF, None) 