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. 2020 Nov 19;8:580814. doi: 10.3389/fcell.2020.580814

FIGURE 1.

FIGURE 1

Lipid domains are present on membrane systems, including not only the PM of mammalian cells but also many organellular membranes [endoplasmic reticulum (ER), Golgi, endosomes, lysosomes, lipid droplets (LDs)], viral membranes, and cell-secreted membrane structures like lung surfactants and milk fat globule membranes (MFGMs). Green color represents ordered domains (either liquid or solid). Other abbreviations: TGN, trans-Golgi network; TG, triglyceride; TMD, transmembrane domain; GPI-AP, GPI-anchored protein; FA, fatty acid.