Figure 2

SDS-PAGE analysis of purified recombinant enzymes. Lane M, molecular mass markers; lane 1, the native CTendo45; lane 2, the R29H mutant; lane 3, the Y30F mutant; lane 4, the W31S mutant; lane 5, the Y173F mutant; lane 6, the Y30F/Y173F mutant. Digital image of gel is presented in Supplementary Fig. S2.