341783.fig.004
Figure 4: Purification of cysteine protease and metalloprotease from Cryptobia salmositica. Lane A: crude cell lysate; lane B: partially purified cysteine protease from a DEAE-agarose column; lane C: partially purified metalloprotease from a DEAE-agarose column; lane D: a single band of purified metalloprotease from a Sephacryl S-300 column; lane M: molecular markers (kDa) (reproduced from Zuo & Woo [18]).