9252
In addition, these promoters respond only indirectly to the viral immediate-early transactivator , ZEBRA .
 ( DNA: ZEBRA, None) , ( DNA: viral immediate-early transactivator, 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: ZEBRA, None) , ( DNA: viral immediate-early transactivator, None) 