Cell Signaling Technology's IgG (RWP49) Mouse mAb is a Mouse monoclonal antibody. The IgG (RWP49) Mouse mAb Antibody was generated using IGHG1, and immunoglobulin heavy constant gamma 1 (G1m 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.