HLA-A1 Antigen

**Definition:** A specific HLA-A surface antigen subtype. Members of this subtype contain alpha chains that are encoded by the HLA-A*01 allele family.

**Tree numbers:** - D09.400.430.890.489.400.010 - D12.776.395.550.489.400.010 - D12.776.543.550.439.400.010 - D23.050.301.500.100.400.010 - D23.050.301.500.450.370.010 - D23.050.705.552.100.400.010 - D23.050.705.552.450.370.372

**Synonyms:** - HLA-A1