Octadecanal decarbonylase

In enzymology, an octadecanal decarbonylase (EC 4.1.99.5) is an enzyme that catalyzes the chemical reaction

Hence, this enzyme has one substrate, octadecanal, and two products, heptadecane and CO.

This enzyme belongs to the family of lyases, specifically in the "catch-all" class of carbon-carbon lyases. The systematic name of this enzyme class is octadecanal alkane-lyase. Other names in common use include decarbonylase, and aldehyde decarbonylase. At least one compound, EDTA is known to inhibit this enzyme.