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Figure 4: SDS-PAGE showing the purified OxdC protein from culture supernatant of recombinant strains by FPLC. lane M, molecular weight marker in KDa; lane 1, purified OxdC from strain harboring plasmid pLp_0373OxdC; lane 2, purified OxdC from strain harboring plasmid pLp_3050OxdC.