Acetyl-CoA C-acyltransferase

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acetyl-Coenzyme A acyltransferase 1 (peroxisomal 3-oxoacyl-Coenzyme A thiolase)
Identifiers
Symbol	ACAA1
Entrez	30
HUGO	82
OMIM	604054
RefSeq	NM_001607
UniProt	P09110
Other data
EC number	2.3.1.16
Locus	Chr. 3 p23-p22

acetyl-Coenzyme A acyltransferase 2 (mitochondrial 3-oxoacyl-Coenzyme A thiolase)
Identifiers
Symbol	ACAA2
Entrez	10449
HUGO	83
OMIM	604770
RefSeq	NM_006111
UniProt	P42765
Other data
EC number	2.3.1.16
Locus	Chr. 18 [1]

The final step of beta oxidation is the cleavage of 3-ketoacyl CoA by the thiol group of another molecule of CoA. This reaction is catalyzed by Acetyl-CoA C-acyltransferase (or Β-ketothiolase). The thiol is inserted between C-2 and C-3, which yields an acetyl CoA molecule and an acyl CoA molecule, which is two carbons shorter.

Image:FattyAcid-MB-Thiolysis.png

Mevalonate pathway

Image:Ketogenesis.png

Ketogenesis

External links

MeSH Acetyl-CoA+C-Acyltransferase

Template:Enzyme-stub

v • d • e Transferases: acyltransferases (EC 2.3)
2.3.1: other than amino-acyl groups (mostly acetyltransferases)	N-Acetylglutamate synthase - Choline acetyltransferase - Acetyl-Coenzyme A acetyltransferase - Dihydrolipoyl transacetylase - Acetyl-CoA C-acyltransferase - Beta-galactoside transacetylase - Carnitine O-palmitoyltransferase (CPT1, CPT2) - Acyltransferase like 2 - Chloramphenicol acetyltransferase - Aminolevulinic acid synthase - Beta-ketoacyl-ACP synthase - Glyceronephosphate O-acyltransferase - Lecithin-cholesterol acyltransferase - Histone acetyltransferase (P300/CBP) - Serotonin N-acetyl transferase
2.3.2 - Aminoacyltransferases	Gamma glutamyl transpeptidase - Peptidyl transferase - Transglutaminase (Tissue transglutaminase, Keratinocyte transglutaminase, Factor XIII)
2.3.3 - converted into alkyl on transfer	Citrate synthase - ATP citrate lyase - HMG-CoA synthase

v • d • e Metabolism: lipid metabolism
Lipid production	Acetyl-CoA carboxylase - Fatty acid synthesis: Beta-ketoacyl-ACP synthase - Β-Ketoacyl ACP reductase - 3-Hydroxyacyl ACP dehydrase - Enoyl ACP reductase unsaturated (Enoyl CoA isomerase, 2,4 Dienoyl-CoA reductase) - odd chain (Propionyl-CoA carboxylase) - Fatty acid synthase - Long fatty acyl CoA synthetase
Lipid degradation	Acyl transport: Carnitine palmitoyltransferase I - Carnitine-acylcarnitine translocase - Carnitine palmitoyltransferase II Beta oxidation: Acyl CoA dehydrogenase (ACADL, ACADM, ACADS, ACADVL) - Enoyl-CoA hydratase - 3-Hydroxyacyl CoA dehydrogenase - Acetyl-CoA C-acyltransferase - Mitochondrial trifunctional protein Ketogenesis: HMG-CoA synthase - HMG-CoA lyase - Other: Malonyl-CoA decarboxylase
Phospholipids	Diacylglycerol kinase
Steroids	HMG-CoA reductase - Farnesyl-diphosphate farnesyltransferase - Squalene monooxygenase - Lanosterol synthase - CYP51A1
Prostanoids	Cyclooxygenase - Thromboxane-A synthase - Prostacyclin synthase - Prostaglandin E synthase - Prostaglandin D2 synthase
Leukotrienes	Arachidonate 5-lipoxygenase - 5-Lipoxygenase activating protein - Leukotriene A4 hydrolase - Leukotriene C4 synthase
Bile acids	Cholesterol 7 alpha-hydroxylase