The MHC Class II (I-Ek) Antibody, anti-mouse/rat, APC, REAfinity™ from Miltenyi Biotec is a Human Monoclonal antibody to H2-Eb1, histocompatibility 2, class II antigen E beta, RT1 class II, locus Db1, and RT1-Db1. This antibody recognizes Mouse, and Rat antigen. The MHC Class II (I-Ek) Antibody, anti-mouse/rat, APC, REAfinity™ has been validated for the following applications: Staining, Fluorescence, Microscopy, Flow Cytometry, Immunofluorescence, and Immunohistochemistry.