Abstract
A new type of lipid organization is observed in mixtures of phosphatidylcholine with cardiolipin (in the presence of Ca2+), monoglucosyldiglyceride and phosphatidylethanolamine (in the presence of cholesterol). This phase is characterised by an isotropic 31P NMR signal and is visualised by freeze-fracturing as particles and pits on the fracture faces
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