14958
In vitro DNase I footprinting analysis revealed six hGATA-3 binding sites in the U3 region (the transcriptional regulatory domain ) of the HIV-1 LTR .
 ( DNA: HIV-1 LTR, None) , ( DNA: transcriptional regulatory domain, None) , ( DNA: U3 region, None) , ( protein: DNase I, None) , ( DNA: hGATA-3 binding sites, 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: HIV-1 LTR, None) , ( DNA: transcriptional regulatory domain, None) , ( DNA: U3 region, None) , ( protein: DNase I, None) , ( DNA: hGATA-3 binding sites, None) 