Leading Biology's APOA4 Rabbit pAb (APR28663N) is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot. The APOA4 Rabbit pAb (APR28663N) Antibody was generated using APOA4, and apolipoprotein A4 as the antigen and it reacts with Human, Mouse, and Rat.