ENZYME entry: EC 5.3.99.9

Accepted Name
Neoxanthin synthase.
Alternative Name(s)
NSY.
Reaction catalysed
Violaxanthin <=> neoxanthin
Comment(s)
  • The opening of the epoxide ring of violaxanthin generates a chiral allene.
  • Neoxanthin is a precursor of the plant hormone abscisic acid and the last product of carotenoid synthesis in green plants.
Cross-references
BRENDA5.3.99.9
EC2PDB5.3.99.9
ExplorEnz5.3.99.9
PRIAM enzyme-specific profiles5.3.99.9
KEGG Ligand Database for Enzyme Nomenclature5.3.99.9
IUBMB Enzyme Nomenclature5.3.99.9
IntEnz5.3.99.9
MEDLINEFind literature relating to 5.3.99.9
MetaCyc5.3.99.9
UniProtKB/Swiss-Prot
Q9M424, NXS_SOLTU

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