Definition: A specific HLA-B surface antigen subtype. Members of this subtype contain alpha chains that are encoded by the HLA-B*27 allele family.
Other names HLA Class I Histocompatibility Antigen, B 27 alpha; HLA B27 Antigen; Antigen, HLA-B27; HLA-B27; HLA Class I Histocompatibility Antigen, B-27 alpha