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. Author manuscript; available in PMC: 2018 Nov 1.
Published in final edited form as: Biochim Biophys Acta. 2016 Oct 11;1862(11):1386–1393. doi: 10.1016/j.bbalip.2016.10.004

Figure 3. Major OM membrane lipids of E. coli K-12.

Figure 3

The structures of the most abundant membrane lipids of E. coli K-12 are depicted. The asymmetric OM bilayer consist of LPS in the outer leaflet that is anchored to the OM via a lipid A moiety (A). The inner-leaflet is comprised primarily of the zwitterionic phospholipid phosphatidylethanolamine (PE; ~70% of total lipid by weight) as well as the anionic phospholipids phosphatidylglycerol (PG; ~20%) and cardiolipin (CL; ~10%) (B). Phospholipid structures were drawn using the ‘LipidMaps’ Tools [92].