6954
Latent membrane protein 1 ( LMP1 ) acts like a permanently activated receptor of the tumor necrosis factor (TNF)-receptor superfamily and is absolutely required for B cell immortalization by Epstein-Barr virus .
 ( protein: LMP1, None) , ( protein: permanently activated receptor, None) , ( protein: Latent membrane protein 1, None) , ( protein: tumor necrosis factor (TNF)-receptor superfamily, 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: LMP1, None) , ( protein: permanently activated receptor, None) , ( protein: Latent membrane protein 1, None) , ( protein: tumor necrosis factor (TNF)-receptor superfamily, None) 