Western blot. All lanes: Protein Z-dependent protease inhibitor antibody at 3ug/ml. Lane 1: Mouse liver tissue. Lane 2: HepG2 whole cell lysate. Lane 3: LO2 whole cell lysate. Secondary. Goat polyclonal to rabbit IgG at 1/10000 dilution. Predicted band size: 51 kDa. Observed band size: 51 kDa.