Leading Biology's Alpha-1 Antichymotrypsin (SERPINA3) Rabbit mAb (AMR11969N) is a Rabbit monoclonal antibody. The Alpha-1 Antichymotrypsin (SERPINA3) Rabbit mAb (AMR11969N) Antibody was generated using SERPINA3 as the antigen. It reacts with Human, and Mouse. This antibody has been shown to work in applications such as: Western Blot.