The Prostate Specific Antigen (PSA) Antibody from MyBioSource.com is a Mouse Monoclonal antibody to KLK3. This antibody recognizes Human antigen. The Prostate Specific Antigen (PSA) Antibody has been shown to work in the following applications: Flow Cytometry, Immunofluorescence, Immunohistochemistry, and Immunohistochemistry - fixed.