In enzymology, an α-pinene-oxide decyclase () is an enzyme that catalyzes the chemical reaction
α-pinene oxide (Z)-2-methyl-5-isopropylhexa-2,5-dienal
Hence, this enzyme has one substrate, α-pinene oxide, and one product, (Z)-2-methyl-5-isopropylhexa-2,5-dienal.
This enzyme belongs to the family of isomerases, specifically the class of intramolecular lyases. The systematic name of this enzyme class is α-pinene-oxide lyase (decyclizing). This enzyme is also called α-pinene oxide lyase. This enzyme participates in limonene and pinene degradation.
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