Cell Signaling Technology's IgA (N1CLA) Mouse mAb is a Mouse monoclonal antibody. The IgA (N1CLA) Mouse mAb Antibody was generated using IGHA1, and immunoglobulin heavy constant alpha 2 (A2m marker) as the antigen. It reacts with Homo Sapiens, and Human. This antibody has been shown to work in applications such as: Immunohistochemistry, and Immunohistochemistry - fixed.