A majority of suppliers have reported the clone S276-15 to be a monoclonal antibody specific to the mouse gene, SYT5, or Synaptotagmin V. Other suppliers describe clone S276-15 to be a monoclonal antibody against human SYT9, or synaptotagmin 9. Suppliers have reported additional species reactivites for the target of this clone, including human and rat. Indicated applications for antibody clone S276-15 include Western blot, immunohistochemistry, immunofluorescence, and immunocytochemistry.