12931
Taken together, our results will help to understand the complex interactions occurring between HHV-6 and the CD4 promoter and provide additional information regarding the class of transcription factors involved in the control of CD4 gene expression .
 ( protein: transcription factors, None) , ( DNA: CD4 gene, None) , ( DNA: CD4 promoter, 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: transcription factors, None) , ( DNA: CD4 gene, None) , ( DNA: CD4 promoter, None) 