Term Name:	low-density lipoprotein
Synonyms:	beta-lipoproteins, LDL, low-density lipoproteins
Definition:	A class of lipoproteins of small size (18-25 nm) and low density (1.019-1.063 g/ml) particles with a core composed mainly of cholesterol esters and smaller amounts of triglycerides. The surface monolayer consists mostly of phospholipids, a single copy of apolipoprotein B-100, and free cholesterol molecules. The main function of LDL is to transport cholesterol and cholesterol esters from the liver. Excessive levels are associated with cardiovascular disease.
Ontology:	ChEBI [CHEBI:39026]  ( EBI )