Clone SPM339 is a mouse monoclonal antibody specific to the human gene, CHGA, or Chromogranin A. Suppliers have reported additional species reactivites for the target of this clone, including mouse, primate, porcine, and rat. Indicated applications for antibody clone SPM339 include Western blot, immunohistochemistry, flow cytometry, immunofluorescence, ELISA, immunocytochemistry, and immunoprecipitation.