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. 2019 Jul 18;10(7):549. doi: 10.3390/genes10070549

Figure 5.

Figure 5

Identification of methylketone products from cell culture of E. coli C41(DE3) expressing three SmMKS2s by gas chromatography–mass spectrometry (GC–MS). 2-Methylketones were identified by GC–MS (see Supplementary File 7), and by comparing their retention times with those of 2-methylketone standards. (1) Authentic methylketone; (2) Cell culture of E. coli C41(DE3) expressing SmMKS2-1; (3) Cell culture of E. coli C41(DE3) expressing SmMKS2-2; (4) Cell culture of E. coli C41(DE3) expressing SmMKS2-3; (5) Cell culture of E. coli C41(DE3) carrying the empty vector (pETDuet-1).