Abstract
Apolipoprotein E (apoE) is a normal constituent of very low density lipoprotein (VLDL) and high density lipoprotein (HDL)1. The primary function of apoE is to serve as the ligand for recognition of lipoproteins by cellular receptors2. In addition, apoE interacts with various proteoglycans and could thus be implicated in the anchoring process of lipoproteins to endothelial lipases3. ApoE is a 299 amino acid protein made of two folded structural domains5. The NH2-terminal region (residues 1–191) binds to the LDL receptor. Studies with cyanogen bromide and thrombolytic fragments of apoE, and with anti-apoE monoclonal antibodies, have demonstrated that the LDL-receptor-binding domain is located between residues 130 and 1501. A cluster of basic residues in this region of apoE binds through direct ionic interaction with the negatively charged residues of the ligand-binding domain of the LDL receptor.
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© 1994 Springer Science+Business Media Dordrecht
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Dallongeville, J. (1994). Apolipoprotein E Polymorphism and Atherosclerosis Risk. In: Goldbourt, U., de Faire, U., Berg, K. (eds) Genetic factors in coronary heart disease. Developments in Cardiovascular Medicine, vol 156. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1130-0_19
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DOI: https://doi.org/10.1007/978-94-011-1130-0_19
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