4-pyridoxolactonase
Class of enzymes
| 4-pyridoxolactonase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 3.1.1.27 | ||||||||
| CAS no. | 37278-41-4 | ||||||||
| 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 enzyme 4-pyridoxolactonase (EC 3.1.1.27) catalyzes the reaction
- 4-pyridoxolactone + H2O 4-pyridoxate
This enzyme belongs to the family of hydrolases, specifically those acting on carboxylic ester bonds. The systematic name is 4-pyridoxolactone lactonohydrolase. It participates in vitamin B6 metabolism.
References
- Burg RW, Snell EE (1969). "The bacterial oxidation of vitamin B6. VI. Pyridoxal dehydrogenase and 4-pyridoxolactonase". J. Biol. Chem. 244 (10): 2585–9. PMID 4306030.
- v
- t
- e
Hydrolase: esterases (EC 3.1)
ester hydrolases
- Alkaline phosphatase
- Acid phosphatase (Prostatic)/Tartrate-resistant acid phosphatase/Purple acid phosphatases
- Nucleotidase
- Glucose 6-phosphatase
- Fructose 1,6-bisphosphatase
- Protein phosphatase
- OCRL
- Pyruvate dehydrogenase phosphatase
- Fructose 6-P,2-kinase:fructose 2,6-bisphosphatase
- PTEN
- Phytase
- Inositol-phosphate phosphatase
- Protein phosphatase: Protein tyrosine phosphatase
- Protein serine/threonine phosphatase
- Dual-specificity phosphatase
Phosphodiesterase
deoxyribonuclease
and ribonuclease)
| 3.1.11-16: Exonuclease |
| ||||||
|---|---|---|---|---|---|---|---|
| 3.1.21-31: Endonuclease |
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Portal:
Biology
