Antibodies.com's Anti-alpha 1 Antichymotrypsin Antibody [SERPINA3/4190] is a Mouse monoclonal antibody. The Anti-alpha 1 Antichymotrypsin Antibody [SERPINA3/4190] was generated using SERPINA3 as the antigen. It reacts with Human. This antibody has been shown to work in applications such as: Immunohistochemistry, and Immunohistochemistry - fixed.