HMGCS2

HMGCS2
Available structures
PDB	Ortholog search: PDBe RCSB
List of PDB id codes
	2WYA
Identifiers
Aliases	HMGCS2, 3-hydroxy-3-methylglutaryl-CoA synthase 2
External IDs	MGI: 101939 HomoloGene: 38066 GeneCards: HMGCS2
Gene location (Human)
Chr.	Chromosome 1 (human)[1]
End	119,768,905 bp[1]
Gene location (Mouse)
Chr.	Chromosome 3 (mouse)[2]
End	98,310,738 bp[2]
Gene ontology
Molecular function	• transferase activity; • catalytic activity; • hydroxymethylglutaryl-CoA synthase activity;
Cellular component	• mitochondrion; • mitochondrial matrix;
Biological process	• steroid metabolic process; • sterol biosynthetic process; • lipid metabolic process; • cholesterol metabolic process; • isoprenoid biosynthetic process; • cholesterol biosynthetic process; • metabolism; • steroid biosynthetic process; • ketone body biosynthetic process; • regulation of lipid metabolic process; • acetyl-CoA metabolic process; • farnesyl diphosphate biosynthetic process, mevalonate pathway;
	Sources:Amigo / QuickGO
Orthologs
	3158
	15360
	ENSG00000134240
	ENSMUSG00000027875
	P54868
	P54869
	NM_001166107; NM_005518
	NM_008256
	NP_001159579; NP_005509
	NP_032282
	Wikidata
View/Edit Human	View/Edit Mouse

3-hydroxy-3-methylglutaryl-CoA synthase 2 (mitochondrial) is an enzyme in humans that is encoded by the HMGCS2 gene.^[5]

The protein encoded by this gene belongs to the HMG-CoA synthase family. It is a mitochondrial enzyme that catalyzes the first reaction of ketogenesis, a metabolic pathway that provides lipid-derived energy for various organs during times of carbohydrate deprivation, such as fasting. Mutations in this gene are associated with HMG-CoA synthase deficiency. Alternatively spliced transcript variants encoding different isoforms have been found for this gene.^[5]

References

1 2 3 GRCh38: Ensembl release 89: ENSG00000134240 - Ensembl, May 2017
1 2 3 GRCm38: Ensembl release 89: ENSMUSG00000027875 - Ensembl, May 2017
↑ "Human PubMed Reference:".
↑ "Mouse PubMed Reference:".
1 2 "Entrez Gene: 3-hydroxy-3-methylglutaryl-CoA synthase 2 (mitochondrial)".

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[refGRCh38Ensembl-1] 1 2 3 GRCh38: Ensembl release 89: ENSG00000134240 - Ensembl, May 2017

[refGRCm38Ensembl-2] 1 2 3 GRCm38: Ensembl release 89: ENSMUSG00000027875 - Ensembl, May 2017

[3] "Human PubMed Reference:".

[4] "Mouse PubMed Reference:".

[entrez-5] 1 2 "Entrez Gene: 3-hydroxy-3-methylglutaryl-CoA synthase 2 (mitochondrial)".

Transferases: acyltransferases (EC 2.3)
2.3.1: other than amino-acyl groups	acetyltransferases: Acetyl-Coenzyme A acetyltransferase N-Acetylglutamate synthase Choline acetyltransferase Dihydrolipoyl transacetylase Acetyl-CoA C-acyltransferase Beta-galactoside transacetylase Chloramphenicol acetyltransferase N-acetyltransferase Serotonin N-acetyl transferase HGSNAT ARD1A Histone acetyltransferase P300/CBP NAT2 palmitoyltransferases: Carnitine O-palmitoyltransferase CPT1 CPT2 Serine C-palmitoyltransferase SPTLC1 SPTLC2 other: Acyltransferase like 2 Aminolevulinic acid synthase Beta-ketoacyl-ACP synthase Glyceronephosphate O-acyltransferase Lecithin—cholesterol acyltransferase Glycerol-3-phosphate O-acyltransferase 1-acylglycerol-3-phosphate O-acyltransferase 2-acylglycerol-3-phosphate O-acyltransferase ABHD5
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 Malate synthase

Enzymes
Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis
Regulation	Allosteric regulation Cooperativity Enzyme inhibitor Enzyme activator
Classification	EC number Enzyme superfamily Enzyme family List of enzymes
Kinetics	Enzyme kinetics Eadie–Hofstee diagram Hanes–Woolf plot Lineweaver–Burk plot Michaelis–Menten kinetics
Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list)