3SPW:
reference: Osh4p exchanges sterols for phosphatidylinositol 4-phosphate between lipid bilayers., de Saint-Jean M, Delfosse V, Douguet D, Chicanne G, Payrastre B, Bourguet W, Antonny B, Drin G, J Cell Biol. 2011 Dec 12;195(6):965-78. PMID: 22162133

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