4030
It is known that expression of a single viral immediate-early protein , BZLF1 , is sufficient to initiate the switch from latent to lytic infection in B cells .
 ( protein: viral immediate-early protein, None) , ( cell type: B cells, None) , ( protein: BZLF1, 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: viral immediate-early protein, None) , ( cell type: B cells, None) , ( protein: BZLF1, None) 