Analysing the molecular weight of cellobiohydrolase 1 (a), and cellobiohydrolase 2 (b), isolated from Schizophyllum commune KMJ820. Lane M marker, lane 1 crude extract, lane 2 ammonium sulfate precipitative fraction, lane 3 DEAE ion exchange portion, lane 4 hydroxyapatite portion, lane 5 DEAE ion exchange portion. Analysing the indigenous molecular weight of S. commune KMJ820, cellobiohydrolases by gel filtration chromatography (c)