5-Pyridoxolactone (BioCAD00000004941)

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Metabolite Card

Formula: C8H7NO3 (165.0426)
SMILES: CC1=NC=C2C(=O)OCC2=C1O

Synonyms [en]

5-Pyridoxolactone; 5-pyridoxic acid lactone; a-Pyracin; Pyracin-5; 3-Carboxy-4-(hydroxymethyl)-5-hydroxy-6-methylpyridine lactone; UA6Q3JV3FZ

Reviewed

Last reviewed on 2024-06-28.

Cite this Page

5-Pyridoxolactone. 数据之源，洞见之始. SMRUCC genomics institute, a synthetic life researcher from China. https://biocad_registry.innovation.ac.cn/s/(-)-arctiin (retrieved 2026-01-03) (CAD Registry RN: BioCAD00000004941). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Note

5-Pyridoxolactone is a normal human metabolite of vitamin B6 metabolism. (PMIDs 9211301, 14995036).

Cytoplasm
Entity Information

DBLinks

Other DBLinks
  • CAS Registry Number: 4543-56-0
  • PubChem: 78300
  • ChEBI: ChEBI:2124
  • HMDB: HMDB0004291
  • HMDB: HMDB04291
  • KEGG: C06052
  • BioCyc: CPD-9028
  • NCBI MeSH: 5-pyridoxic acid lactone
  • RefMet: RM0034792
  • Metlin: METLIN_58233
  • Coconut NaturalProduct: CNP0395670.0

Class / Ontology

Metabolic Network
ID EC Number Name
KEGG:R04593 C04773<=>C06052 + C00001
KEGG:R05084 1.1.1.416 isopyridoxal:NAD+ oxidoreductase (5-pyridoxolactone-forming)
Rhea:RHEA:51589 1.1.1.416 isopyridoxal + NAD+ => 5-pyridoxolactone + NADH + H+
Rhea:RHEA:51590 1.1.1.416 5-pyridoxolactone + NADH + H+ => isopyridoxal + NAD+
Rhea:RHEA:51591 1.1.1.416 isopyridoxal + NAD+ <=> 5-pyridoxolactone + NADH + H+
BioCyc:RXN-19621 1.1.1.416 CPD-383 + NAD --> CPD-9028 + NADH + PROTON
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Organism Source

Taxonomy Source

Pathway Synthetic

pathway id name
BioCyc:META_PWY-5499 vitamin B6 degradation
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