Clone 4H9-D7 is a mouse monoclonal antibody specific to the human gene, AHSA1, or Activator of HSP90 ATPase activity 1. Another name for the gene is AHA1. This antibody clone has been reported to also recognize the mouse ortholog of the target gene. Indicated applications for antibody clone 4H9-D7 include Western blot, immunofluorescence, ELISA, and immunocytochemistry.