United States Biological's Pab Rb x human HLA Class 1 Antigen B (HLA Cass I Histocompatibility Antigen B-27 alpha Chain, HLA B Class I, HLA-B, HLAB, HLA-B27, HLA-B73, AS, MGC111087, MHC Class I Antigen B*27, SPDA1) (APC) antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot.