657
The DQB X2-box was able to restore expression to the silent DRA reporter construct .
 ( DNA: silent DRA reporter construct, None) , ( DNA: DQB X2-box, 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: silent DRA reporter construct, None) , ( DNA: DQB X2-box, None) 