8523
RFX-B is the gene responsible for the most common cause of the bare lymphocyte syndrome , an MHC class II immunodeficiency [published erratum appears in Immunity 1999 Mar;10(3):399]
 ( DNA: RFX-B, None) , ( protein: MHC class II, 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:
 ( DNA: RFX-B, None) , ( protein: MHC class II, None) 