2-dehydropantoate 2-reductase
In enzymology, a 2-dehydropantoate 2-reductase (EC 1.1.1.169) is an enzyme that catalyzes the chemical reaction
- (R)-pantoate + NADP+ 2-dehydropantoate + NADPH + H+
| 2-dehydropantoate 2-reductase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 1.1.1.169 | ||||||||
| CAS number | 37211-74-8 | ||||||||
| 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 | ||||||||
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Thus, the two substrates of this enzyme are (R)-pantoate and NADP+, whereas its 3 products are 2-dehydropantoate, NADPH, and H+.
This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is (R)-pantoate:NADP+ 2-oxidoreductase. Other names in common use include 2-oxopantoate reductase, 2-ketopantoate reductase, 2-ketopantoic acid reductase, ketopantoate reductase, and ketopantoic acid reductase. This enzyme participates in pantothenate and coa biosynthesis.
Structural studies
As of late 2007, 5 structures have been solved for this class of enzymes, with PDB accession codes 1KS9, 1YJQ, 1YON, 2EW2, and 2OFP.
References
- King HL Jr, Dyar RE, Wilken DR (Aug 10, 1974). "Ketopantoyl lactone and ketopantoic acid reductases: Characterization of the reactions and purification of two forms of ketopantoyl lactone reductase". J. Biol. Chem. 249 (15): 4689–4695. PMID 4603075.