6137
In summary, we have identified a tissue-specific regulatory region 5' of the ecto-5'-NT core promoter that requires the presence of a functional CRE site within the basal promoter for its suppressive activity .
 ( DNA: tissue-specific regulatory region, None) , ( DNA: ecto-5#$%#-NT core promoter, None) , ( DNA: CRE site, None) , ( DNA: basal promoter, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: tissue-specific regulatory region, None) , ( DNA: ecto-5#$%#-NT core promoter, None) , ( DNA: CRE site, None) , ( DNA: basal promoter, None) 