Leading Biology's CR2/CD21 Rabbit pAb (APR28194N) is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Immunofluorescence, Immunohistochemistry, and Western Blot. The CR2/CD21 Rabbit pAb (APR28194N) Antibody was generated using Cr2 as the antigen and it reacts with Human, Mouse, and Rat.