Western blot. All lanes: PSMB3 antibody at 3.73µg/ml. Lane 1: Hela whole cell lysate. Lane 2: MCF-7 whole cell lysate. Lane 3: HepG2 whole cell lysate. Lane 4: K562 whole cell lysate. Lane 5: Jurkat whole cell lysate. Lane 6: NIH/3T3 whole cell lysate. Lane 7: 293T whole cell lysate. Secondary. Goat polyclonal to rabbit IgG at 1/10000 dilution. Predicted band size: 23 kDa. Observed band size: 23 kDa