Clone 13H5 has been reported to be a mouse monoclonal antibody specific to the human gene, C6, or Complement C6. Other suppliers describe clone 13H5 to be a mouse monoclonal antibody against human MAPKAPK5, or MAPK activated protein kinase 5. Indicated applications for antibody clone 13H5 include Western blot, immunofluorescence, ELISA, immunocytochemistry, and immunoprecipitation.