IUBMB Enzyme Nomenclature


Accepted name: dodecenoyl-CoA isomerase

Reaction: (3Z)-dodec-3-enoyl-CoA = (2E)-dodec-2-enoyl-CoA

For diagram of reaction click here.

Other name(s): dodecenoyl-CoA Δ-isomerase; Δ3-cis-Δ2-trans-enoyl-CoA isomerase; acetylene-allene isomerase; dodecenoyl-CoA Δ-isomerase; dodecenoyl-CoA Δ3-cis-Δ2-trans-isomerase

Systematic name: dodecenoyl-CoA (3Z)-(2E)-isomerase

Comments: Also catalyses the interconversion of 3-acetylenic fatty acyl thioesters and (+)-2,3-dienoyl fatty acyl thioesters, with fatty acid chain lengths C6 to C12.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 62213-29-0


1. Miesowicz, F.M. and Bloch, K. Purification of hog liver isomerase. Mechanism of isomerization of 3-alkenyl and 3-alkynyl thioesters. J. Biol. Chem. 254 (1979) 5868-5877. [PMID: 738702]

2. Stoffel, W., Ditzer, R. and Caesar, H. Der Stoffwechsel der ungesättigten Fettsäuren. III. Zur β-Oxydation der Mono- und Polyenfettsäuren. Der Mechanismus der enzymatischen Reaktionen an Δ3cis-Enoyl-CoA-Verbindungen. Hoppe-Seyler's Z. Physiol. Chem. 339 (1964) 167-181. [PMID: 5830064]

3. Stoffel, W. and Ecker, W. Δ3-cis,-Δ2-trans-Enoyl-CoA isomerase from rat liver mitochondria. Methods Enzymol. 14 (1979) 99-105.

4. Stoffel, W. and Grol, M. Purification and properties of 3-cis-2-trans-enoyl-CoA isomerase (dodecenoyl-CoA Δ-isomerase) from rat liver mitochondria. Hoppe-Seyler's Z. Physiol. Chem. 359 (1978) 1777-1782. [PMID: 738702]

[EC created 1978, modified 1980]

Return to EC 5.3.3 home page
Return to EC 5.3 home page
Return to EC 5 home page
Return to Enzymes home page
Return to IUBMB Biochemical Nomenclature home page