Malonyl coenzyme A (Malonyl-CoA)

Malonyl coenzyme A (Malonyl-CoA) is a small-molecule metabolite and a coenzyme A derivative of malonic acid essential to fatty acid biosynthesis. It is synthesized from acetyl-CoA by the enzyme acetyl-CoA carboxylase, and acts both as a building block for elongation of fatty acids and as a key regulator of lipid metabolism. Malonyl-CoA exerts strong allosteric inhibition on carnitine palmitoyltransferase 1, thereby controlling the rate-limiting entry of fatty acids into mitochondria for β-oxidation. This places Malonyl-CoA at a central node of metabolic flux, influencing energy homeostasis, fasting response, insulin secretion, and appetite control at the cellular and systemic levels. Although of intense biological and pharmacological interest, Malonyl-CoA itself is not a direct therapeutic target (such as a receptor, channel, or enzyme), but rather an important intermediate and signaling molecule. Diseases connected to disturbed malonyl-CoA metabolism include metabolic syndrome, diabetes, obesity, and heart disease, due to its role in coordinating fuel utilization and energy storage[1][2][4][5][6]. Note: - Malonyl-CoA is a metabolite and metabolic regulator, not a *protein*, *enzyme*, *receptor*, or *direct drug target* in the conventional sense. Instead, the enzymes that synthesize (acetyl-CoA carboxylase) or degrade (malonyl-CoA decarboxylase) it are drug targets. - Thus, “is_target” is false and “is_incorrect” is true if you intended a direct drug target or biomolecular receptor. - No drugs act directly on Malonyl-CoA itself, and no classic mechanism of drug action or direct safety issues are associated with this metabolite, beyond its contributions to cellular metabolic status.

Other names

Malonyl-CoAMalonyl coenzyme ACoAMalonylS-(hydrogen propanedioate)-coenzyme A3'-phosphoadenosine 5'-(3-((3R)-4-((3-((2-((3-carboxyacetyl)sulfanyl)ethyl)amino)-3-oxopropyl)amino)-3-hydroxy-2,2-dimethyl-4-oxobutyl)dihydrogen diphosphate)