Leading Biology's JAK1 Rabbit pAb (APR25899N) is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Immunofluorescence, and Western Blot. The JAK1 Rabbit pAb (APR25899N) Antibody was generated using JAK1, and Janus kinase 1 as the antigen and it reacts with Human, Mouse, and Rat.