515
Type II major histocompatibility complex combined immune deficiency ( type II MHC CID or bare lymphocyte syndrome ) is a congenital immunodeficiency disease characterized by absent MHC class II expression .
 ( protein: MHC, None) , ( protein: MHC class II, None) , ( protein: Type II major histocompatibility complex, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: MHC, None) , ( protein: MHC class II, None) , ( protein: Type II major histocompatibility complex, None) 