Fig. 5. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis image of the protein extracts obtained using 0.1M sodium phosphate buffer, pH 7.4: 1, containing 1% polyvinylpolypyrrolidone, 5% ascorbic acid, 0.2% Triton X100, and 1 mM polyethylene glycerol 8000; 2, P-PER (commercial protein extraction kit; Thermo); PL, protein ladder (7~240 kDa) (silver staining).
