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Carnitine O-acetyltransferase also called carnitine acetyltransferase (CRAT, or CAT) [5] (EC 2.3.1.7) is an enzyme that encoded by the CRAT gene that catalyzes the chemical reaction
Carnitine palmitoyltransferase I (CPT1) also known as carnitine acyltransferase I, CPTI, CAT1, CoA:carnitine acyl transferase (CCAT), or palmitoylCoA transferase I, is a mitochondrial enzyme responsible for the formation of acyl carnitines by catalyzing the transfer of the acyl group of a long-chain fatty acyl-CoA from coenzyme A to l-carnitine.
In enzymology, a long-chain-alcohol O-fatty-acyltransferase (EC 2.3.1.75) is an enzyme that catalyzes the chemical reaction acyl-CoA + a long-chain alcohol ⇌ {\displaystyle \rightleftharpoons } CoA + a long-chain ester
Carnitine O-octanoyltransferase (CROT or COT) is a member of the transferase family, more specifically a carnitine acyltransferase, a type of enzyme which catalyzes the transfer of acyl groups from acyl-CoAs to carnitine, generating CoA and an acyl-carnitine. (EC 2.3.1.137) Specifically, CROT catalyzes the chemical reaction:
It acts in muscle, adipose tissue, and liver to turn on a set of genes essential for fatty acid oxidation, including the fatty acid transporters carnitine acyltransferases 1 and 2, the fatty acyl–CoA dehydrogenases for short, medium, long, and very long acyl chains, and related enzymes. [13]
The illustration is, for diagrammatic purposes, of a 12 carbon fatty acid. Most fatty acids in human plasma are 16 or 18 carbon atoms long. A diagrammatic illustration of the transfer of an acyl-CoA molecule across the inner membrane of the mitochondrion by carnitine-acyl-CoA transferase (CAT). The illustrated acyl chain is, for diagrammatic ...
In enzymology, a retinol O-fatty-acyltransferase (EC 2.3.1.76) is an enzyme that catalyzes the chemical reaction acyl-CoA + retinol ⇌ {\displaystyle \rightleftharpoons } CoA + retinyl ester Thus, the two substrates of this enzyme are acyl-CoA and retinol , whereas its two products are CoA and retinyl ester .
An acetyltransferase (also referred to as a transacetylase) is any of a class of transferase enzymes that transfers an acetyl group in a reaction called acetylation.In biological organisms, post-translational modification of a protein via acetylation can profoundly transform its functionality by altering various properties like hydrophobicity, solubility, and surface attributes. [1]