The Alpha-2-Macroglobulin (A2M) Rabbit pAb (APR22919N) Antibody from Leading Biology is a Rabbit Polyclonal antibody to A2M, and alpha-2-MACROGLOBULIN. This antibody recognizes Human antigen. The Alpha-2-Macroglobulin (A2M) Rabbit pAb (APR22919N) Antibody has been shown to work in the following applications: Immunohistochemistry, and Western Blot.