Analysis of the insoluble fraction of lens extracts. SDS-PAGE of the insoluble fraction of homogenates from lens specimens of a control (C1) and Verona-1 subject (Ver-1). (A) Coomassie blue stain of the precipitates. (B) Immunoblotting stained with anti-L ferritin antibody of the two insoluble fractions and a control of recombinant L ferritin (rLF). The arrows indicate the mobility of H and L chains.