Apolipoproteins B D001055

Chemicals and Drugs [D] » Lipids [D10] » Lipoproteins » Apolipoproteins » Apolipoproteins B

Chemicals and Drugs [D] » Amino Acids, Peptides, and Proteins [D12] » Proteins » Apoproteins » Apolipoproteins » Apolipoproteins B

Chemicals and Drugs [D] » Amino Acids, Peptides, and Proteins [D12] » Proteins » Lipoproteins » Apolipoproteins » Apolipoproteins B

Description

Major structural proteins of triacylglycerol-rich LIPOPROTEINS. There are two forms, apolipoprotein B-100 and apolipoprotein B-48, both derived from a single gene. ApoB-100 expressed in the liver is found in low-density lipoproteins (LIPOPROTEINS, LDL; LIPOPROTEINS, VLDL). ApoB-48 expressed in the intestine is found in CHYLOMICRONS. They are important in the biosynthesis, transport, and metabolism of triacylglycerol-rich lipoproteins. Plasma Apo-B levels are high in atherosclerotic patients but non-detectable in ABETALIPOPROTEINEMIA.   MeSH

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