Clone C2 has been reported to be a mouse monoclonal antibody specific to the human gene, AFP, or Alpha fetoprotein. Other suppliers describe clone C2 to be a mouse monoclonal antibody against human CRP, or C-reactive protein. Indicated applications for antibody clone C2 include Western blot, immunohistochemistry, flow cytometry, immunofluorescence, ELISA, and immunocytochemistry.