3450
Calcineurin , a Ca2+ /calmodulin-dependent protein phosphatase , is the FK-506 -and CsA -sensitive enzyme required for TcR mediated activation of the IL-2 promoter .
 IL-2 promoter, Calcineurin, Ca2+ /calmodulin-dependent protein phosphatase
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 IL-2 promoter, Calcineurin, Ca2+ /calmodulin-dependent protein phosphatase