HLA Class II Histocompatibility Antigen, DQ Beta 1 Chain

**Semantic type:** Amino Acid, Peptide, or Protein|Immunologic Factor

**Definition:** HLA class II histocompatibility antigen, DQ beta 1 chain (261 aa, ~30 kDa) is encoded by the human HLA-DQB1 gene. This transmembrane protein is involved in the presentation of peptide antigens on the cell surface.

**Synonyms:** - DC-3 beta chain - HLA Class II Histocompatibility Antigen DQ(1) Beta Chain - HLA Class II Histocompatibility Antigen, DQB1 Beta Chain - MHC Class II Antigen DQB1