4326
Significantly, the CBF sites are in each case contained within the minimum essential core regions required for inducible activation of transcription .
 ( DNA: CBF sites, None) , ( protein: CBF, None) , ( DNA: essential core regions, 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: CBF sites, None) , ( protein: CBF, None) , ( DNA: essential core regions, None) 