Figure 3.
Western blot of the sample purified with monoclonal antibody (mAb) B‐33 (band A is arrowed). Strip x, goat anti‐cation‐independent mannose 6‐phosphate receptor (anti‐CI‐MPR) Ab; strip a, biotin‐labelled proteins; strip b, anti‐bovine serum proteins + anti‐human immunoglobulin M (IgM); strip c, anti‐human IgM.