4638
It was found that treatment with IFN-gamma induces changes in the occupancy of the DRA gene regulatory sequences by nuclear factors .
 ( protein: nuclear factors, None) , ( protein: IFN-gamma, None) , ( DNA: DRA gene regulatory sequences, 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: nuclear factors, None) , ( protein: IFN-gamma, None) , ( DNA: DRA gene regulatory sequences, None) 