Western Blot. Positive WB detected in: recombinant protein. All lanes: Bifunctional beta-D-glucosidase/beta-D-fucosidase Antibody at 1:1000. Secondary. Goat polyclonal to rabbit IgG at 1/50000 dilution. Predicted band size: 47 kDa. Observed band size: 47 kDa.