2995
The proximal regulatory element of the interferon-gamma promoter mediates selective expression in T cells .
 ( protein: interferon-gamma, None) , ( DNA: interferon-gamma promoter, None) , ( cell type: T cells, 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: interferon-gamma, None) , ( DNA: interferon-gamma promoter, None) , ( cell type: T cells, None) 