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. 1996 Nov 12;93(23):12828–12833. doi: 10.1073/pnas.93.23.12828

Figure 6.

Figure 6

The fate of a common cationic intermediate determines the mycolic acid product formed. The addition of a methyl group from SAM generates a cationic intermediate that can be deprotonated to form a cyclopropane or a trans-olefin with an adjacent methyl group or can react with water to form the hydroxy- (methoxy-) mycolate series.