has part serotype member of in taxon HLA-DR52 serotype HLA-DRA*01:02 chain HLA-DRB3*01:01 chain HLA-DRA*01:02/DRB3*01:01 protein complex HLA-DRA*0102/DRB3*0101 HLA-DRA*01:02/DRB3*01:01 HLA-DRA0102/DRB30101 HLA-DRA01:02/DRB301:01 HLA-DRB3*01:01 complete molecule HLA-DRB3*01:01 protein complex MHC class II protein complex HLA-DRA*01:02 protein complex human