4MD4: Immune Receptor
reference: A molecular basis for the association of the HLA-DRB1 locus, citrullination, and rheumatoid arthritis., Scally SW, Petersen J, Law SC, Dudek NL, Nel HJ, Loh KL, Wijeyewickrema LC, Eckle SB, van Heemst J, Pike RN, McCluskey J, Toes RE, La Gruta NL, Purcell AW, Reid HH, Thomas R, Rossjohn J, J Exp Med. 2013 Nov 18;210(12):2569-82. doi: 10.1084/jem.20131241. Epub 2013 Nov , 4. PMID: 24190431

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