Western blotting analysis of whole cell lysate of HUT-78 human cutaneous T cell lymphoma cell line. Lane 1 : Immunostaining with anti - human PTPRC control antibody. Lane 2 : Immunostaining with PTPRC monoclonal antibody, clone MEM - 56 (Cat # MAB0887) ; sample of cell lysate prepared under non - reducing conditions. Lane 3 : Immunostaining with PTPRC monoclonal antibody, clone MEM - 56 (Cat # MAB0887) ; sample of cell lysate prepared under reducing conditions.