The SerpinB1 (E4W7B) Rabbit mAb Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to SERPINB1. This antibody recognizes Homo Sapiens, and Human antigen. The SerpinB1 (E4W7B) Rabbit mAb Antibody has been shown to work in the following applications: Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot.