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.
Other names HLA Class I Histocompatibility Antigen, A 1 alpha ; HLA A1 Antigen; Antigen, HLA-A1; HLA-A1; HLA Class I Histocompatibility Antigen, A-1 alpha