The EGF Receptor (L858R Mutant Specific) (43B2) Rabbit mAb Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to EGFR, and epidermal growth factor receptor. This antibody recognizes Homo Sapiens, and Human antigen. The EGF Receptor (L858R Mutant Specific) (43B2) Rabbit mAb Antibody has been shown to work in the following applications: Precipitation, Simple Western, Flow Cytometry, Immunocytochemistry, Immunofluorescence, Immunohistochemistry, Immunohistochemistry - fixed, Immunoprecipitation, and Western Blot.