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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Curr Opin Clin Nutr Metab Care. 2016 Mar;19(2):103–110. doi: 10.1097/MCO.0000000000000254

Figure 1.

Figure 1

LCPUFA Biosynthesis Pathway. The omega 6 (n-6) and omega 3 (n-3) fatty acids are substrates in competition for the same sets of FADS and ELOVL catalyzing desaturation and elongation, respectively. Elongation is mediated by a four enzyme coupled system; the first, rate limiting enzyme is the “elongase”.