Western blot. All lanes: COPB1 antibody at 1µg/ml. Lane 1: Hela whole cell lysate. Lane 2: Jurkat whole cell lysate. Lane 3: NIH/3T3 whole cell lysate. Lane 4: Mouse liver tissue. Lane 5: A549 whole cell lysate. Secondary. Goat polyclonal to rabbit IgG at 1/10000 dilution. Predicted band size: 108 kDa. Observed band size: 108 kDa