Clone SPM442 is a mouse monoclonal antibody specific to the human gene, RBP4, or Retinol binding protein 4. Suppliers have reported additional species reactivites for the target of this clone, including goat, mouse, primate, rabbit, and rat. Indicated applications for antibody clone SPM442 include Western blot, immunohistochemistry, immunofluorescence, ELISA, and immunoprecipitation.