Leading Biology's CPB1 Rabbit pAb (APR18111N) is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot. The CPB1 Rabbit pAb (APR18111N) Antibody was generated using Carboxypeptidase B1, and CPB1 as the antigen and it reacts with Human, Mouse, and Rat.