Figure 1. Immunoprecipitation of human CD20 from the whole cell lysate of RAJI human Burkitt lymphoma cell line. Western blot was immunostained with anti-CD20 rabbit polyclonal antibody. Lane 1: original lysate of RAJI cells. Lane 2: immunoprecipitate by Isotypic mouse IgG1 control (AM03095PU-N). Lane 3: original lysate of RAJI cells. Lane 4: immunoprecipitate by anti-CD20 (MEM-97)