13524
This region contains binding sites for the cAMP response element-binding protein/activation transcription factor ( CREB/ATF ) and Sp1 families of transcription factors .
 ( protein: CREB/ATF, None) , ( protein: Sp1, None) , ( protein: transcription factors, None) , ( protein: cAMP response element-binding protein/activation transcription factor, 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: CREB/ATF, None) , ( protein: Sp1, None) , ( protein: transcription factors, None) , ( protein: cAMP response element-binding protein/activation transcription factor, None) 