9977
Dimers encoded by HLA-DR haplotypes may be the primary restriction elements for lectin-like, gliadin peptides while the degree of immune suppression (or lack thereof) to ingested gliadins is governed by inherited HLA-DQ haplotypes .
 ( DNA: primary restriction elements, None) , ( DNA: HLA-DQ, None) , ( protein: HLA-DR, 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: primary restriction elements, None) , ( DNA: HLA-DQ, None) , ( protein: HLA-DR, None) 