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Remarkably, these two drugs inhibit each other's actions, raising the possibility that both act by means of a common immunophilin ( immunosuppressant binding protein ).
 protein: immunosuppressant binding protein; protein: immunophilin
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: immunosuppressant binding protein; protein: immunophilin