Allene-oxide cyclase

In enzymology, an allene-oxide cyclase is an enzyme that catalyzes the chemical reaction


 * (9Z)-(13S)-12,13-epoxyoctadeca-9,11,15-trienoate $$\rightleftharpoons$$ (15Z)-12-oxophyto-10,15-dienoate

Hence, this enzyme has one substrate, (9Z)-(13S)-12,13-epoxyoctadeca-9,11,15-trienoate, and one product, (15Z)-12-oxophyto-10,15-dienoate.

This enzyme belongs to the family of isomerases, specifically a class of other intramolecular oxidoreductases. The systematic name of this enzyme class is (9Z)-(13S)-12,13-epoxyoctadeca-9,11,15-trienoate isomerase (cyclizing).

Structural studies
As of late 2007, 6 structures have been solved for this class of enzymes, with PDB accession codes, , , , , and.