Samples: Whole cell lysate (50 µg) from HEK293T, Raji, GaMG, HeLa, SR, Jurkat, Daudi, and KG-1 cells prepared using NETN lysis buffer. Antibody: Anti-CD74 Antibody [LN2] (A300657) was used at 1:1000. Secondary: HRP-conjugated goat anti-mouse IgG. Detection: Chemiluminescence with an exposure time of 30 seconds. Lower Panel: Rabbit anti-RPS3.