556
Rather, these findings suggest that immunophilin bound to FK506 interferes with antigen receptor -induced signals , while rapamycin bound to the immunophilin interferes with IL-2 -induced signals .
 protein: IL-2; protein: immunophilin; protein: immunophilin; protein: antigen receptor
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: IL-2; protein: immunophilin; protein: immunophilin; protein: antigen receptor