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ENZYME entry: EC

Accepted Name
Zeaxanthin 7,8-dioxygenase.
Alternative Name(s)
Zeaxanthin 7,8(7',8')-cleavage dioxygenase.
Reaction catalysed
Zeaxanthin + 2 O(2) <=> crocetin dialdehyde + 2 (3S)-3-hydroxycyclocitral
  • The enzyme, characterized from the plant Crocus sativus, acts twice on zeaxanthin, cleaving 3-hydroxycyclocitral off each 3-hydroxy end group.
  • It is part of the zeaxanthin degradation pathway in that organism, leading to the different compounds that impart the color, flavor and aroma of the saffron spice.
  • Formerly EC 1.14.99.n3.
PRIAM enzyme-specific profiles1.14.99.42
KEGG Ligand Database for Enzyme Nomenclature1.14.99.42
IUBMB Enzyme Nomenclature1.14.99.42
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All UniProtKB/Swiss-Prot entries referenced in this entry, with possibility to download in different formats, align etc.
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.14.99.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.14.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.-.-.-