MyBioSource.com's Rabbit Anti-HLA Class II Histocompatibility Antigen, DRB1 Beta Chain Antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Flow Cytometry. The Rabbit Anti-HLA Class II Histocompatibility Antigen, DRB1 Beta Chain Antibody was generated using HLA-DRB1 as the antigen and it reacts with Human.