946
DNA-binding studies of the Epstein-Barr virus nuclear antigen 2 ( EBNA-2 ): evidence for complex formation by latent membrane protein gene promoter-binding proteins in EBNA-2 -positive cell lines .
 ( cell line: EBNA-2 -positive cell lines, None) , ( protein: Epstein-Barr virus nuclear antigen 2, None) , ( protein: EBNA-2, None) , ( protein: latent membrane protein gene promoter-binding proteins, None) , ( protein: EBNA-2, 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:
 ( cell line: EBNA-2 -positive cell lines, None) , ( protein: Epstein-Barr virus nuclear antigen 2, None) , ( protein: EBNA-2, None) , ( protein: latent membrane protein gene promoter-binding proteins, None) , ( protein: EBNA-2, None) 