A newly formed high-density lipoprotein particle; consists of a phospholipid bilayer surrounded by two or more APOA1 molecules. The discoidal HDL particle is formed when lipid-free or lipid-poor APOA1 acquires phospholipids and unesterified cholesterol from either cell membranes or triglyceride-rich lipoproteins (undergoing lipolysis by lipoprotein lipase). (Gene Ontology, GO_0034365)
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1 proteins localized to the discoidal high-density lipoprotein particle cellular component from the COMPARTMENTS Curated Protein Localization Evidence Scores dataset.