The 53BP1 (E7N5D) XP ® Rabbit mAb (BSA and Azide Free) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to TP53BP1. This antibody recognizes Homo Sapiens, and Human antigen. The 53BP1 (E7N5D) XP ® Rabbit mAb (BSA and Azide Free) Antibody has been shown to work in the following applications: Immunocytochemistry, Immunofluorescence, Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot.