CD21 Antibody (clone 2G9)

Mouse monoclonal antibody suitable for immunohistochemistry.



Functional Aspects:

CD21 is present on mature B cells. CD21 antigen is found in B cell chronic lymphocytic leukemias and in a subset of T cell acute lymphocytic leukemias but is absent on T lymphocytes, monocytes and granulocytes. It has been reported that CD21 is on follicular dendritic cells of follicular and centrocytic lymphomas. Clone 2G9 was raised against the external domain of CD21.