Allene-oxide cyclase
| allene-oxide cyclase | |||||||||
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| Identifiers | |||||||||
| EC number | 5.3.99.6 | ||||||||
| CAS number | 118390-59-3 | ||||||||
| 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 / EGO | ||||||||
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In enzymology, an allene-oxide cyclase (EC 5.3.99.6) is an enzyme that catalyzes the chemical reaction
- (9Z)-(13S)-12,13-epoxyoctadeca-9,11,15-trienoate
(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 1Z8K, 1ZVC, 2BRJ, 2DIO, 2GIN, and 2Q4I.
References
- Hamberg M (1988). "Biosynthesis of 12-oxo-10,15(Z)-phytodienoic acid: identification of an allene oxide cyclase". Biochem. Biophys. Res. Commun. 156 (1): 543–50. doi:10.1016/S0006-291X(88)80876-3. PMID 3178850.
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