Western blot. All lanes: Macrophage-capping protein antibody at 1ug/ml. Lane 1: Hela whole cell lysate. Lane 2: NIH/3T3 whole cell lysate. Lane 3: Rat lung tissue. Secondary. Goat polyclonal to rabbit IgG at 1/10000 dilution. Predicted band size: 39, 37 kDa. Observed band size: 39 kDa.