(R)-dehydropantoate dehydrogenase
In enzymology, a (R)-dehydropantoate dehydrogenase (EC 1.2.1.33) is an enzyme that catalyzes the chemical reaction
- (R)-4-dehydropantoate + NAD+ + H2O (R)-3,3-dimethylmalate + NADH + 2 H+
| (R)-dehydropantoate dehydrogenase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 1.2.1.33 | ||||||||
| CAS number | 37250-96-7 | ||||||||
| 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 | ||||||||
| |||||||||
The 3 substrates of this enzyme are (R)-4-dehydropantoate, NAD+, and H2O, whereas its 3 products are (R)-3,3-dimethylmalate, NADH, and H+.
This enzyme belongs to the family of oxidoreductases, specifically those acting on the aldehyde or oxo group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is (R)-4-dehydropantoate:NAD+ 4-oxidoreductase. Other names in common use include D-aldopantoate dehydrogenase, D-2-hydroxy-3,3-dimethyl-3-formylpropionate:diphosphopyridine, and nucleotide (DPN+) oxidoreductase. This enzyme participates in pantothenate and coa biosynthesis.
References
- Magee PT, Snell EE (1966). "The bacterial degradation of pantothenic acid. IV. Enzymatic conversion of aldopantoate to alpha-ketoisovalerate". Biochemistry. 5 (2): 409–16. doi:10.1021/bi00866a004. PMID 4287371.
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