1391
The BZLF1 protein of Epstein-Barr virus ( EBV ) is a key immediate-early protein which has been shown to disrupt virus latency in EBV -infected B cells .
 protein: immediate-early protein; protein: BZLF1 protein; cell type: EBV -infected B cells
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: immediate-early protein; protein: BZLF1 protein; cell type: EBV -infected B cells