5012
Epstein-Barr virus nuclear antigen 2 (EBNA2)-oestrogen receptor fusion proteins complement the EBNA2-deficient Epstein-Barr virus strain P3HR1 in transformation of primary B cells but suppress growth of human B cell lymphoma lines .
 ( protein: Epstein-Barr virus nuclear antigen 2, None) , ( cell type: primary B cells, None) , ( cell line: human B cell lymphoma lines, None) , ( protein: Epstein-Barr virus nuclear antigen 2 (EBNA2)-oestrogen receptor fusion proteins, 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: Epstein-Barr virus nuclear antigen 2, None) , ( cell type: primary B cells, None) , ( cell line: human B cell lymphoma lines, None) , ( protein: Epstein-Barr virus nuclear antigen 2 (EBNA2)-oestrogen receptor fusion proteins, None) 