10330
The double NF-kappaB site identified in the LTR of the human immunodeficiency virus-1 ( HIV-1 ) has been demonstrated to be necessary for efficient viral transcription .
 ( DNA: LTR, None) , ( DNA: double NF-kappaB site, 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: LTR, None) , ( DNA: double NF-kappaB site, None) 