• Source: Allantoin racemase

In enzymology, an allantoin racemase (EC 5.1.99.3) is an enzyme that catalyzes the chemical reaction

(S)(+)-allantoin



⇌


{\displaystyle \rightleftharpoons }

(R)(−)-allantoin
Hence, this enzyme has one substrate, (S)(+)-allantoin, and one product, (R)(−)-allantoin.
This enzyme belongs to the family of isomerases, specifically those racemases and epimerases acting on other compounds. The systematic name of this enzyme class is allantoin racemase. This enzyme participates in purine metabolism.




References



Van der Drift L, Vogels GD, Van der Drift C (1975). "Allantoin racemase: a new enzyme from Pseudomonas species". Biochim. Biophys. Acta. 391 (1): 240–8. doi:10.1016/0005-2744(75)90170-9. PMID 237557.

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• List of EC numbers (EC 5)