Clone F15-42-1 is a mouse monoclonal antibody specific to the human gene, THY1, or Thy-1 cell surface antigen. Another name for the gene is CD90. This antibody clone has been reported to also recognize the primate ortholog of the target gene. Indicated applications for antibody clone F15-42-1 include immunohistochemistry, flow cytometry, immunofluorescence, and immunoprecipitation.