3-hydroxyacyl-CoA dehydrogenase

3-hydroxyacyl-CoA dehydrogenase
(S)-3-hydroxybutyryl-CoA dehydrogenase homodimer, Cupriavidus necator
Identifiers
EC no.1.1.1.35
CAS no.9028-40-4
Databases
BRENDAenzyme data
ExPASyNiceZyme view
KEGGenzyme entry
MetaCycmetabolic pathway
Rheareactions
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
Search
PMCarticles
PubMedarticles
NCBIproteins
Hydroxyacyl-Coenzyme A dehydrogenase
PDB rendering based on 3had.
Identifiers
SymbolHADH
Alt. symbolsHADHSC
NCBI gene3033
HGNC4799
OMIM601609
RefSeqNM_005327
UniProtQ16836
Other data
EC number1.1.1.35
LocusChr. 4 q22-q26
Search for
StructuresSwiss-model
DomainsInterPro

In enzymology, a 3-hydroxyacyl-CoA dehydrogenase (EC 1.1.1.35) is an enzyme that catalyzes the chemical reaction

(S)-3-hydroxyacyl-CoA + NAD+ 3-oxoacyl-CoA + NADH + H+

Thus, the two substrates of this enzyme are (S)-3-hydroxyacyl-CoA and NAD+, whereas its 3 products are 3-oxoacyl-CoA, NADH, and H+.

This enzyme belongs to the family of oxidoreductases, to be specific those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor.

Isozymes

In humans, the following genes encode proteins with 3-hydroxyacyl-CoA dehydrogenase activity:

  • HADH – Hydroxyacyl-Coenzyme A dehydrogenase
  • HSD17B10 – 3-Hydroxyacyl-CoA dehydrogenase type-2
  • EHHADH – Peroxisomal bifunctional enzyme
  • HSD17B4 – Peroxisomal multifunctional enzyme type 2

Function

3-Hydroxyacyl CoA dehydrogenase is classified as an oxidoreductase. It is involved in fatty acid metabolic processes. Specifically it catalyzes the third step of beta oxidation; the oxidation of L-3-hydroxyacyl CoA by NAD+. The reaction converts the hydroxyl group into a keto group.

The end product is 3-ketoacyl CoA.

Metabolic pathways

This enzyme participates in 8 metabolic pathways:

Nomenclature

The systematic name of this enzyme class is (S)-3-hydroxyacyl-CoA:NAD+ oxidoreductase. Other names in common use include:

  • 1-specific DPN-linked beta-hydroxybutyric dehydrogenase
  • 3-hydroxyacetyl-coenzyme A dehydrogenase
  • 3-hydroxyacyl coenzyme A dehydrogenase
  • 3-hydroxybutyryl-CoA dehydrogenase
  • 3-hydroxyisobutyryl-CoA dehydrogenase
  • 3-keto reductase
  • 3-L-hydroxyacyl-CoA dehydrogenase
  • 3beta-hydroxyacyl coenzyme A dehydrogenase
  • beta-hydroxy acid dehydrogenase
  • beta-hydroxyacyl CoA dehydrogenase
  • beta-hydroxyacyl dehydrogenase
  • beta-hydroxyacyl-coenzyme A synthetase
  • beta-hydroxyacylcoenzyme A dehydrogenase
  • beta-hydroxybutyrylcoenzyme A dehydrogenase
  • beta-keto-reductase
  • beta-ketoacyl-CoA reductase
  • L-3-hydroxyacyl CoA dehydrogenase
  • L-3-hydroxyacyl coenzyme A dehydrogenase

Structural studies

As of 20 January 2010, 22 structures have been solved for this class of enzymes, with PDB accession codes PDB: 1F0Y​, PDB: 1F12​, PDB: 1F14​, PDB: 1F17​, PDB: 1F67​, PDB: 1GZ6​, PDB: 1IKT​, PDB: 1IL0​, PDB: 1LSJ​, PDB: 1LSO​, PDB: 1M75​, PDB: 1M76​, PDB: 1S9C​, PDB: 1WDK​, PDB: 1WDL​, PDB: 1WDM​, PDB: 1ZBQ​, PDB: 1ZCJ​, PDB: 2D3T​, PDB: 2HDH​, PDB: 3HAD​, and PDB: 3HDH​.

See also

References

  • Hillmer P, Gottschalk G (1974). "Solubilization and partial characterisation of particulate dehydrogenases from Clostridium kluyveri". Biochim. Biophys. Acta. 334: 12–23. doi:10.1016/0005-2744(74)90146-6.
  • Lehninger AL, Greville GD (1953). "The enzymic oxidation of alpha- and 2-beta-hydroxybutyrate". Biochimica et Biophysica Acta. 12 (1–2): 188–202. doi:10.1016/0006-3002(53)90138-3. PMID 13115428.
  • Stern JR (November 1957). "Crystalline beta-hydroxybutyryl dehydrogenase from pig heart". Biochimica et Biophysica Acta. 26 (2): 448–9. doi:10.1016/0006-3002(57)90040-9. PMID 13499396.
  • Wakil SJ, Green DE, Mii S, Mahler HR (April 1954). "Studies on the fatty acid oxidizing system of animal tissues. VI. beta-Hydroxyacyl coenzyme A dehydrogenase". The Journal of Biological Chemistry. 207 (2): 631–8. doi:10.1016/S0021-9258(18)65679-0. PMID 13163047.