9980
The Epstein-Barr virus latent membrane protein-1 ( LMP-1 ) is an integral membrane protein which transforms fibroblasts and is essential for EBV-mediated B-cell immortalization .
 ( protein: latent membrane protein-1, None) , ( protein: integral membrane protein, None) , ( protein: LMP-1, None) , ( cell type: fibroblasts, 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 protein-1, None) , ( protein: integral membrane protein, None) , ( protein: LMP-1, None) , ( cell type: fibroblasts, None) 