The CST4 Rabbit pAb (APR27969N) Antibody from Leading Biology is a Rabbit Polyclonal antibody to CST4, and Cystatin S. This antibody recognizes Human, Mouse, and Rat antigen. The CST4 Rabbit pAb (APR27969N) Antibody has been shown to work in the following applications: Immunohistochemistry, and Western Blot.