Clone r57 is a mouse monoclonal antibody specific to the human gene, POMC, or Proopiomelanocortin. Another name for the gene is ACTH. Suppliers have reported additional species reactivites for the target of this clone, including mouse and rat. Indicated applications for antibody clone r57 include immunohistochemistry, flow cytometry, immunofluorescence, ELISA, and immunocytochemistry.