Figure 1 .
Autoantibodies against PDC and CS. Lane A, from the top: E2 (apparent molecular weight 70-74 kDa), protein X (50-56 kDa), E3 (55 kDa), and E1α (41 kDa) subunits of PDC. Lane B: western blotting for CS (50 kDa) showed anticitrate synthase antibody in the serum.