14281
Various gene products from other viruses ( HTLV-1 , HSV , EBV , CMV , HBV , and HHV-6 ) can also enhance HIV-1 long terminal repeat ( LTR )-driven reporter gene activity .
 ( DNA: LTR, None) , ( DNA: long terminal repeat, None) , ( DNA: reporter gene, 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: long terminal repeat, None) , ( DNA: reporter gene, None) 