Cell Signaling Technology's alpha-2-Macroglobulin (E4H4U) Rabbit mAb is a Rabbit monoclonal antibody. The alpha-2-Macroglobulin (E4H4U) Rabbit mAb Antibody was generated using A2M, and alpha-2-MACROGLOBULIN as the antigen. It reacts with Homo Sapiens, and Human. This antibody has been shown to work in applications such as: Precipitation, Immunocytochemistry, Immunofluorescence, Immunoprecipitation, and Western Blot.