1099
To limit expression of a transduced HIV-1 long terminal repeat (LTR)-IFNA2 (the new approved nomenclature for IFN genes is used throughout this article) hybrid gene to the HIV-1-infected cells , HIV-1 LTR was modified.
 ( cell line: HIV-1-infected cells, None) , ( DNA: HIV-1 long terminal repeat (LTR)-IFNA2, None) , ( DNA: HIV-1 LTR, None) , ( DNA: IFN genes, None) , ( DNA: hybrid 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:
 ( cell line: HIV-1-infected cells, None) , ( DNA: HIV-1 long terminal repeat (LTR)-IFNA2, None) , ( DNA: HIV-1 LTR, None) , ( DNA: IFN genes, None) , ( DNA: hybrid gene, None) 