Creative Diagnostics' Rabbit Anti-Human IL-21 monoclonal antibody, clone 29I3M5 is a Rabbit monoclonal antibody. The Rabbit Anti-Human IL-21 monoclonal antibody, clone 29I3M5 was generated using IL21, and Interleukin 21 as the antigen. It reacts with Human. This antibody has been shown to work in applications such as: EIA, Immunoassay, and ELISA.