The Procathepsin L (E9B2U) Rabbit mAb Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to Cathepsin L, and Ctsl. This antibody recognizes Homo Sapiens, Human, and Non-Human Primate antigen. The Procathepsin L (E9B2U) Rabbit mAb Antibody has been shown to work in the following applications: Simple Western, and Western Blot.