The Tau 4R (E7T4F) Rabbit mAb (BSA and Azide Free) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to MAPT. This antibody recognizes Homo Sapiens, Human, Mouse, and Rat antigen. The Tau 4R (E7T4F) Rabbit mAb (BSA and Azide Free) Antibody has been shown to work in the following applications: EIA, Immunoassay, ELISA, Immunocytochemistry, Immunofluorescence, and Western Blot.