Clone 429 has been reported to be a monoclonal antibody specific to the human gene, CSF2, or Colony stimulating factor 2. Other suppliers describe clone 429 to be a monoclonal antibody against mouse VCAM1, or vascular cell adhesion molecule 1. This antibody clone has been reported to also recognize the mouse ortholog of the target gene. Indicated applications for antibody clone 429 include immunohistochemistry, flow cytometry, ELISA, and immunoprecipitation.