Sandbox GGC4

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You may include any references to papers as in: the use of JSmol in Proteopedia [1] or to the article describing Jmol [2] to the rescue

Function

Apolipoproteins are proteins that coat lipoprotein surface that binds lipids such as cholesterol, low-density lipoprotein (LDL), or high-density lipoproteins (HDL) in lipid metabolism. They function in the transport of such lipids in their structure that acts as a ligand to cell receptors and lipid transport proteins. structural behavior are what allows the interaction between hydrophobic properties of water, such as in the blood stream and hydrophobic lipids.

Apolipoprotein A-I is a protein APOA1 gene in humans that is a component of HDL, which a form of good cholesterol in human's diet, used in the transport of cholesterol and phospholipids in the body through the bloodstream in the reverse transport of cholesterol from the tissues to the liver of hepatocytes. They promote cholesterol efflux, a pathway in transferring intracellular cholesterol to extracellular acceptors, from tissues and act as a cofactor for the lecithin cholesterol acyltransferase (LCAT).

Disease

Clinical Significance

Structural highlights

Apolipoprotein a-1 (apoA-I) is a fairly small molecule that consists of a total of 243 residues and is 29-kD polypeptide in size. Structure in is shown in rainbow, in arrangement from N-terminus (red) of amine group to C-terminus (dark blue) end of carboxyl group.

Apolipoprotein a-1 in the monomer form truncated (lacking 1-43 residues) consists of unique pseudo-continuous alpha helix highlighted by kinks at , spaced approximately every 22 residues.

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