6515
Using in vitro translated polypeptides , we have demonstrated that NF90 specifically binds to double-stranded RNA .
 ( RNA: double-stranded RNA, None) , ( protein: NF90, 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:
 ( RNA: double-stranded RNA, None) , ( protein: NF90, None) 