Icosanoyl-CoA synthase

In enzymology, an icosanoyl-CoA synthase (EC 2.3.1.119) is an enzyme that catalyzes the chemical reaction

stearoyl-CoA + malonyl-CoA + 2 NAD(P)H + 2 H+ icosanoyl-CoA + CO2 + CoA + 2 NAD(P)+ + H2O
Icosanoyl-CoA synthase
Identifiers
EC number2.3.1.119
CAS number141256-55-5
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

The 5 substrates of this enzyme are stearoyl-CoA, malonyl-CoA, NADH, NADPH, and H+, whereas its 6 products are icosanoyl-CoA, CO2, CoA, NAD+, NADP+, and H2O.

This enzyme belongs to the family of transferases, specifically those acyltransferases transferring groups other than aminoacyl groups. The systematic name of this enzyme class is stearoyl-CoA:malonyl-CoA C-acyltransferase (decarboxylating, oxoacyl- and enoyl-reducing). Other names in common use include acyl-CoA elongase, C18-CoA elongase, and stearoyl-CoA elongase.

References

    • Bessoule JJ, Lessire R, Cassagne C (1989). "Partial purification of the acyl-CoA elongase of Allium porrum leaves". Arch. Biochem. Biophys. 268 (2): 475–84. doi:10.1016/0003-9861(89)90315-9. PMID 2913944.
    • Bessoule JJ, Lessire R, Rigoulet M, Guerin B, Cassagne C (1987). "Fatty acid synthesis in mitochondria from Saccharomyces cerevisiae". FEBS Lett. 214 (1): 158–62. doi:10.1016/0014-5793(87)80033-9. PMID 3552725.
    • Lessire R, Bessoule JJ, Cassagne C (1985). "Solubilization of C18 CoA and C20 CoA elongases from Allium porrum L. epidermal-cell microsomes". FEBS Lett. 187 (2): 314–320. doi:10.1016/0014-5793(85)81267-9.


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