Clone A17 has been reported to be a mouse monoclonal antibody specific to the human gene, FN1, or Fibronectin 1. Other suppliers describe clone A17 to be a mouse monoclonal antibody against human CDK1, or cyclin dependent kinase 1. Suppliers have reported additional species reactivites for the target of this clone, including chicken/bird, mouse, rat, and amphibian. Indicated applications for antibody clone A17 include Western blot, immunohistochemistry, flow cytometry, immunofluorescence, ELISA, immunocytochemistry, and immunoprecipitation.