5053
When fused to GAD , the C-terminal region of Ku was able to activate transcription via TRE-1 but this activation was not dependent on Tax .
 ( protein: C-terminal region, None) , ( protein: Ku, None) , ( protein: Tax, None) , ( protein: GAD, None) , ( DNA: TRE-1, 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: C-terminal region, None) , ( protein: Ku, None) , ( protein: Tax, None) , ( protein: GAD, None) , ( DNA: TRE-1, None) 