Cover note
Cover note: Computer artwork of low density (LDL, right) and high density
(HDL, left) lipoproteins. Cholesterol (purple spheres) is carried as an ester inside
the particles, surrounded by a layer of phospholipids (yellow) and unesterifield
cholesterols. A transmembrane protein (purple and pink strands) organises the
particle and is recognised by target cells.
Credit: Hybrid Medical Animation/SPL
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