The Pab Rb x human HLA-DRB4, NT (HLA-DRB4, HLA class II histocompatibility antigen, DR beta 4 chain, MHC class II antigen DRB4) (APC) antibody from United States Biological is a Rabbit Polyclonal antibody to HLA-DRB4. This antibody recognizes Homo Sapiens, and Human antigen. The Pab Rb x human HLA-DRB4, NT (HLA-DRB4, HLA class II histocompatibility antigen, DR beta 4 chain, MHC class II antigen DRB4) (APC) antibody has been shown to work in the following applications: FLISA, Immunoassay, and Western Blot.