R&D Systems, a Bio-Techne Brand's Human IL-21R Subunit Biotinylated Antibody is a Goat Polyclonal antibody. This antibody has been shown to work in applications such as: Flow Cytometry, and Western Blot. The Human IL-21R Subunit Biotinylated Antibody was generated using IL21R, and Interleukin 21 Receptor as the antigen and it reacts with Homo Sapiens, and Human.