9429
Epstein-Barr virus EBNA3C represses Cp , the major promoter for EBNA expression , but has no effect on the promoter of the cell gene CD21 .
 ( DNA: Cp, None) , ( DNA: cell gene CD21, None) , ( protein: EBNA, None) , ( protein: EBNA3C, 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: Cp, None) , ( DNA: cell gene CD21, None) , ( protein: EBNA, None) , ( protein: EBNA3C, None) 