784
In lymphoblastoid cell lines , six EBV-encoded nuclear antigens ( EBNA 1 , 2 , 3A , 3B , 3C , -LP ), three latent membrane proteins ( LMP1 , 2A , 2B ), and two nuclear RNAs ( EBERs ) are expressed.
 ( protein: latent membrane proteins, None) , ( protein: LMP1, None) , ( RNA: nuclear RNAs, None) , ( cell line: lymphoblastoid cell lines, None) , ( RNA: EBERs, None) , ( protein: 2B, None) , ( protein: 2A, None) , ( protein: EBV-encoded nuclear antigens, 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: latent membrane proteins, None) , ( protein: LMP1, None) , ( RNA: nuclear RNAs, None) , ( cell line: lymphoblastoid cell lines, None) , ( RNA: EBERs, None) , ( protein: 2B, None) , ( protein: 2A, None) , ( protein: EBV-encoded nuclear antigens, None) 