A majority of suppliers have reported the clone 2H12 to be a mouse monoclonal antibody specific to the human gene, BCL2L1, also known as BCL2 like 1 and Bcl-X. Other suppliers describe clone 2H12 to be a mouse monoclonal antibody against human PTPRC, or protein tyrosine phosphatase receptor type C. Indicated applications for antibody clone 2H12 include Western blot, immunohistochemistry, flow cytometry, immunofluorescence, ELISA, and immunoprecipitation.