Oxalate oxidase

oxalate oxidase
Identifiers
EC number	1.2.3.4
CAS number	9031-79-2
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
Gene Ontology	AmiGO / EGO
Search PMC articles PubMed articles

In enzymology, an oxalate oxidase (EC 1.2.3.4) is an enzyme that catalyzes the chemical reaction

oxalate + O₂ + 2 H⁺ $\rightleftharpoons$ 2 CO₂ + H₂O₂

The 3 substrates of this enzyme are oxalate, O₂, and H⁺, whereas its two products are CO₂ and H₂O₂.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the aldehyde or oxo group of donor with oxygen as acceptor. The systematic name of this enzyme class is oxalate:oxygen oxidoreductase. Other names in common use include aero-oxalo dehydrogenase, and oxalic acid oxidase. This enzyme participates in glyoxylate and dicarboxylate metabolism. It has 2 cofactors: FAD, and Manganese.

Structural studies

As of late 2007, 4 structures have been solved for this class of enzymes, with PDB accession codes 1FI2, 2ET1, 2ET7, and 2ETE.

References

• DATTA PK, MEEUSE BJ (1955). "Moss oxalic acid oxidase-a flavoprotein". Biochim. Biophys. Acta. 17 (4): 602–3. doi:10.1016/0006-3002(55)90436-4. PMID 13250021. 
• Kotsira VP, Clonis YD (1997). "Oxalate oxidase from barley roots: purification to homogeneity and study of some molecular, catalytic, and binding properties". Arch. Biochem. Biophys. 340 (2): 239–49. doi:10.1006/abbi.1997.9896. PMID 9143327. 
• Requena L, Bornemann S (1999). "Barley (Hordeum vulgare) oxalate oxidase is a manganese-containing enzyme". Biochem. J. 343 Pt 1 (Pt 1): 185–90. PMC 1220540. PMID 10493928. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=1220540. 

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