Figure 3. Representative SDS gel electrophoresis results from the water-soluble protein fraction of porcine lens Layer 1.  Lane 1=HMW peak; Lanes 2 and 3=MMW peaks; Lanes 4-6=LMW peaks.  Constituents of the HMW peak correspond to α-crystallins, constituents of MMW peaks to β-crystallins and constituents of the LMW peaks to γ-crystallins.