Clone SPM543 is a mouse monoclonal antibody specific to the human gene, TNF, or Tumor necrosis factor. Another name for the gene is TNF-alpha. Suppliers have reported additional species reactivites for the target of this clone, including canine, feline, mouse, rabbit, rat, and fish. Indicated applications for antibody clone SPM543 include immunohistochemistry, flow cytometry, immunofluorescence, ELISA, immunocytochemistry, and immunoprecipitation.