Galactonate dehydratase

In enzymology, a galactonate dehydratase (EC 4.2.1.6) is an enzyme that catalyzes the chemical reaction

D-galactonate 2-dehydro-3-deoxy-D-galactonate + H2O
galactonate dehydratase
Identifiers
EC number4.2.1.6
CAS number9024-38-8
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

Hence, this enzyme has one substrate, D-galactonate, and two products, 2-dehydro-3-deoxy-D-galactonate and H2O.

This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. The systematic name of this enzyme class is D-galactonate hydro-lyase (2-dehydro-3-deoxy-D-galactonate-forming). Other names in common use include D-galactonate dehydrase, D-galactonate dehydratase, and D-galactonate hydro-lyase. This enzyme participates in galactose metabolism.

References

    • DE LEY J, DOUDOROFF M (1957). "The metabolism of D-galactose in Pseudomonas saccharophila". J. Biol. Chem. 227 (2): 745–57. PMID 13462997.


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