Scheme 1 - Structures and proposed biosynthesis of enc-based polyketides.
From the following article
Enzymatic total synthesis of enterocin polyketides
Qian Cheng, Longkuan Xiang, Miho Izumikawa, Dario Meluzzi & Bradley S Moore
Nature Chemical Biology 3, 557 - 558 (2007) Published online: 12 August 2007
doi:10.1038/nchembio.2007.22

(a,b) Biosynthesis primed with acetate via the decarboxylation of malonate (a) and benzoate (b).
