867
In addition, this TR2RE- SV40 can function as a repressor to suppress the transcriptional activities of both SV40 early and late promoters .
 ( DNA: TR2RE- SV40, 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: TR2RE- SV40, None) 