Western Blot. Positive WB detected in: MCF-7 whole cell lysate, HEK293 whole cell lysate, NIH/3T3 whole cell lysate, Rat stomach tissue. All lanes: CD3G antibody at 2µg/ml. Secondary. Goat polyclonal to rabbit IgG at 1/50000 dilution. Predicted band size: 21 kDa. Observed band size: 21 kDa