Hydroxypyruvate isomerase

In enzymology, a hydroxypyruvate isomerase (EC 5.3.1.22) is an enzyme that catalyzes the chemical reaction

hydroxypyruvate 2-hydroxy-3-oxopropanoate
hydroxypyruvate isomerase
Identifiers
EC number5.3.1.22
CAS number74812-48-9
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, hydroxypyruvate, and one product, 2-hydroxy-3-oxopropanoate.

This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ketoses. The systematic name of this enzyme class is hydroxypyruvate aldose-ketose-isomerase. This enzyme participates in glyoxylate and dicarboxylate metabolism.

References

    • de Windt FE, van der Drift C (1980). "Purification and some properties of hydroxypyruvate isomerase of Bacillus fastidiosus". Biochim. Biophys. Acta. 613 (2): 556–62. doi:10.1016/0005-2744(80)90111-4. PMID 7448201.


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