L-arabinonolactonase
In enzymology, a L-arabinonolactonase (EC 3.1.1.15) is an enzyme that catalyzes the chemical reaction
- L-arabinono-1,4-lactone + H2O L-arabinonate
| L-arabinonolactonase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 3.1.1.15 | ||||||||
| CAS number | 9025-95-0 | ||||||||
| 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 / QuickGO | ||||||||
| |||||||||
Thus, the two substrates of this enzyme are L-arabinono-1,4-lactone and H2O, whereas its product is L-arabinonate.
This enzyme belongs to the family of hydrolases, specifically those acting on carboxylic ester bonds. The systematic name of this enzyme class is L-arabinono-1,4-lactone lactonohydrolase. This enzyme participates in ascorbate and aldarate metabolism.
References
- Weimberg R, Doudoroff M (December 1955). "The oxidation of L-arabinose by Pseudomonas saccharophila". The Journal of Biological Chemistry. 217 (2): 607–24. PMID 13271422.
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