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. 2017 Nov 29;5:e3738. doi: 10.7717/peerj.3738

Figure 5. The proposed mechanism of phenazine biosynthesis in S. kebangsaanensis.

Figure 5

The phenazine structure might be derived from the combination of two biosynthetic pathways which are phenazine-1,6-dicarboxylic acid (PDC) and 4-methoxybenzene-1,2-diol (MBD). These two pathways are originated from the shikimic acid pathway. Dehydration process between two functional groups of hydroxyl that present in both PDC and MBD will form 6-((2-hydroxy-4-methoxyphenoxy) carbonyl) phenazine-1-carboxylic acid (HCPCA).