Leading Biology's Alpha-1 Antitrypsin (SERPINA1) Rabbit mAb (AMR12270N) is a Rabbit monoclonal antibody. The Alpha-1 Antitrypsin (SERPINA1) Rabbit mAb (AMR12270N) Antibody was generated using SERPINA1 as the antigen. It reacts with Mouse, and Rat. This antibody has been shown to work in applications such as: Western Blot.