Definition: A specific HLA-B surface antigen subtype. Members of this subtype contain alpha chains that are encoded by the HLA-B*40 allele family.
Other names HLA Class I Histocompatibility Antigen, B 40 alpha; HLA B40 Antigen; Antigen, HLA-B40; HLA-B40; HLA Class I Histocompatibility Antigen, B-40 alpha