Figure 4.
SDS-PAGE of purified wt PchEHA and 5 mutants. M: PageRulerTM Protein Ladder (3.4–100 kDa); lane 2 is wt, lane 3–7 is M1–M5, lane 8 is protein bovine serum albumin (BSA) at a concentration of 2 μg, lane 9 is BSA at a concentration of 1 μg.
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