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A 17-bp sequence between positions -51 and -35 conferred IFN-gamma responsiveness on a heterologous promoter .
 ( DNA: 17-bp sequence, None) , ( protein: IFN-gamma, None) , ( DNA: heterologous 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: 17-bp sequence, None) , ( protein: IFN-gamma, None) , ( DNA: heterologous promoter, None) 