10617
Introduction of point mutations suppressing GABP binding to the DSE interfered with the induction of the distal enhancer and the entire IL-2 promoter-enhancer , while overexpression of both GABP factors enhanced the IL-2 promoter-enhancer induction .
 ( DNA: IL-2 promoter-enhancer, None) , ( DNA: IL-2 promoter-enhancer, None) , ( protein: IL-2, None) , ( protein: IL-2, None) , ( DNA: distal enhancer, None) , ( protein: GABP factors, None) , ( DNA: DSE, 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: IL-2 promoter-enhancer, None) , ( DNA: IL-2 promoter-enhancer, None) , ( protein: IL-2, None) , ( protein: IL-2, None) , ( DNA: distal enhancer, None) , ( protein: GABP factors, None) , ( DNA: DSE, None) 