The Cathepsin D (E7Z4L) XP ® Rabbit mAb Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to Cathepsin D, and CTSD. This antibody recognizes Mouse antigen. The Cathepsin D (E7Z4L) XP ® Rabbit mAb Antibody has been shown to work in the following applications: Immunocytochemistry, Immunofluorescence, Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot.