Western Blot. Positive WB detected in: K562 whole cell lysate, Jurkat whole cell lysate, MCF-7 whole cell lysate, Rat brain tissue, Rat heart tissue, Mouse liver tissue, Mouse kidney tissue. All lanes: DDX3X antibody at 3µg/ml. Secondary. Goat polyclonal to rabbit IgG at 1/50000 dilution. Predicted band size: 74, 72 kDa. Observed band size: 74 kDa