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Bik , a novel death-inducing protein shares a distinct sequence motif with Bcl-2 family proteins and interacts with viral and cellular survival-promoting proteins .
 protein: cellular survival-promoting proteins; protein: Bik; protein: Bcl-2 family proteins; protein: death-inducing protein
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: cellular survival-promoting proteins; protein: Bik; protein: Bcl-2 family proteins; protein: death-inducing protein