Positive cellular localization: cell membrane
CD21, also known as complement receptor type 2 (CR2) and EB virus receptor, is a member of complement activating regulator family. CD21 is mainly expressed in mature B cells, dendritic cells in lymphoid follicles and some T cells. It is mainly used for the judging of follicular dendritic cell tumor and the study of the regulation of immune complement activation.
Formalin-fixed, paraffin-embedded (FFPE) Human Tonsil tissue with CD21 Monoclonal Antibody.