Lactaldehyde dehydrogenase

lactaldehyde dehydrogenase
Identifiers
EC no.1.2.1.22
CAS no.37250-90-1
Databases
BRENDAenzyme data
ExPASyNiceZyme view
KEGGenzyme entry
MetaCycmetabolic pathway
Rheareactions
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
Search
PMCarticles
PubMedarticles
NCBIproteins

In enzymology, lactaldehyde dehydrogenase (EC 1.2.1.22) is an enzyme that catalyzes the chemical reaction

+ NAD+
 
 
H2O
H+
Reversible left-right reaction arrow with minor forward substrate(s) from top left, minor forward product(s) to top right, minor reverse substrate(s) from bottom right and minor reverse product(s) to bottom left
H2O
H+
 
 

The three substrates of this enzyme are (S)-lactaldehyde, oxidised nicotinamide adenine dinucleotide (NAD+), and water. Its products are (S)-lactic acid, reduced NADH, and a proton.[1][2][3]

This enzyme belongs to the family of oxidoreductases, specifically those acting on the aldehyde or oxo group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is (S)-lactaldehyde:NAD+ oxidoreductase. Other names in common use include L-lactaldehyde:NAD+ oxidoreductase, and nicotinamide adenine dinucleotide (NAD+)-linked dehydrogenase. This enzyme participates in pyruvate metabolism.

Structural studies

As of late 2007, 4 structures have been solved for this class of enzymes, with PDB accession codes PDB: 2HG2​, PDB: 2ILU​, PDB: 2IMP​, and PDB: 2OPX​.

References

  1. ↑ Enzyme 1.2.1.22 at KEGG Pathway Database.
  2. ↑ Rembold H, Simmersbach F (1969). "Catabolism of pteridine cofactors. II. A specific pterin deaminase in rat liver". Biochim. Biophys. Acta. 184 (3): 589–96. doi:10.1016/0304-4165(69)90273-6. PMID 5821022.
  3. ↑ Sridhara S, Wu TT (1969). "Purification and properties of lactaldehyde dehydrogenase from Escherichia coli". J. Biol. Chem. 244 (19): 5233–8. doi:10.1016/S0021-9258(18)63651-8. PMID 4310089.