The Anti-CD21 (Mature B-Cell & Follicular Dendritic Cell Marker) (Clone:rCR2/1952) Antibody from Abeomics is a Mouse Monoclonal antibody to Cr2. This antibody recognizes Human antigen. The Anti-CD21 (Mature B-Cell & Follicular Dendritic Cell Marker) (Clone:rCR2/1952) Antibody has been validated for the following applications: Immunohistochemistry.