1341
This death-promoting activity of Bik can be suppressed by coexpression of Bcl-2 , Bcl-XL , EBV-BHRF1 and E1B-19 kDa proteins suggesting that Bik may be a common target for both cellular and viral anti-apoptotic proteins .
 protein: Bcl-XL; protein: Bik; protein: EBV-BHRF1; protein: Bik; protein: E1B-19 kDa; protein: Bcl-2
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: Bcl-XL; protein: Bik; protein: EBV-BHRF1; protein: Bik; protein: E1B-19 kDa; protein: Bcl-2