HLA Class II Histocompatibility Antigen, DR Beta 3-0202 Chain

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** HLA class II histocompatibility antigen, DR beta 3-0202 chain (266 aa, ~30 kDa) is encoded by the human HLA-DRB3 gene. This protein is involved in antigen presentation. Expression of this serotype is associated with type 1 diabetes mellitus, Graves disease, acute necrotizing encephalopathy and sarcoidosis.

**Synonyms:** - DR52b - HLA Class II Histocompatibility Antigen, DRB3-0202 Beta Chain - HLA-DRB3*0202 - HLA-DRB3*02:02 - MHC Class II Antigen DRB3*0202