Western blot. All lanes: TPRKB antibody at 5ug/ml. Lane 1: A549 whole cell lysate. Lane 2: Jurkat whole cell lysate. Lane 3: MCF-7 whole cell lysate. Secondary. Goat polyclonal to rabbit IgG at 1/10000 dilution. Predicted band size: 20, 17, 24 kDa. Observed band size: 20 kDa.