United States Biological's Pab Rb x human IL21 (Interleukin-21, IL-21, Za11, Interleukin21) (FITC) antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot. The Pab Rb x human IL21 (Interleukin-21, IL-21, Za11, Interleukin21) (FITC) antibody was generated using IL21, and Interleukin 21 as the antigen and it reacts with Homo Sapiens, Human, and Mouse.