4327
Furthermore, these core regions of the enhancer and promoter each encompass closely linked binding sites for CBF , AP-1 , and NFATp .
 ( protein: CBF, None) , ( protein: AP-1, None) , ( protein: NFATp, None) , ( DNA: closely linked binding sites, 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: CBF, None) , ( protein: AP-1, None) , ( protein: NFATp, None) , ( DNA: closely linked binding sites, None) 