Clone 14B4 has been reported to be a mouse monoclonal antibody specific to the human gene, RAD51, or RAD51 recombinase. Other suppliers describe clone 14B4 to be a mouse monoclonal antibody against human APCS, or amyloid P component, serum. Indicated applications for antibody clone 14B4 include Western blot, immunohistochemistry, immunofluorescence, ELISA, immunocytochemistry, and immunoprecipitation.