Western blot. All lanes: ITGB7 antibody at 5.04ug/ml. Lane 1: MCF-7 whole cell lysate. Lane 2: HepG2 whole cell lysate. Lane 3: A549 whole cell lysate. Lane 4: K562 whole cell lysate. Secondary. Goat polyclonal to rabbit IgG at 1/10000 dilution. Predicted band size: 87, 72 kDa. Observed band size: 87 kDa.