HLA Class I Histocompatibility Antigen, A-0301 Alpha Chain

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

**Definition:** HLA class I histocompatibility antigen, A-0301 alpha chain (365 aa, ~41 kDa) is encoded by the human HLA-A gene. This protein is involved in the presentation of foreign antigens to the immune system. This isoform is associated with increased risk for multiple sclerosis and is a secondary risk factor for myasthenia gravis.

**Synonyms:** - A*0301 - A*03010101 - A*03011 - A3.1 - HLA Class I Histocompatibility Antigen, A*03:01 Alpha Chain - HLA-A*03 - HLA-A*0301 - HLA-A*030101 - HLA-A*03011 - HLA-A0301 - HLA-A0301 Antigen - HLA-A3 - HLA-A3.1 - Leukocyte Antigen Class I-A0301 - MHC Class I Antigen A*0301 - MHC Class I Antigen HLA-A0301 Heavy Chain - Major Histocompatibility Complex, Class I, A*0301 - Major Histocompatibility Complex, Class I, A0301