6510
Nuclear factor-90 of activated T-cells : A double-stranded RNA -binding protein and substrate for the double-stranded RNA-dependent protein kinase , PKR .
 ( protein: double-stranded RNA-dependent protein kinase, None) , ( protein: PKR, None) , ( protein: Nuclear factor-90, None) , ( RNA: double-stranded RNA, None) , ( cell type: activated 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: double-stranded RNA-dependent protein kinase, None) , ( protein: PKR, None) , ( protein: Nuclear factor-90, None) , ( RNA: double-stranded RNA, None) , ( cell type: activated T-cells, None) 