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In enzymology, an α-pinene-oxide decyclase (EC 5.5.1.10) is an enzyme that catalyzes the chemical reaction

α-pinene oxide

\rightleftharpoons

(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.

References

Griffiths ET, Harries PC, Jeffcoat R, Trudgill PW (1987). "Purification and properties of alpha-pinene oxide lyase from Nocardia sp. strain P18.3". J. Bacteriol. 169 (11): 4980–3. PMC 213896. PMID 3667522.

Enzymes
Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Diffusion-limited enzyme Cofactor Enzyme catalysis
Regulation	Allosteric regulation Cooperativity Enzyme inhibitor Enzyme activator
Classification	EC number Enzyme superfamily Enzyme family List of enzymes
Kinetics	Enzyme kinetics Eadie–Hofstee diagram Hanes–Woolf plot Lineweaver–Burk plot Michaelis–Menten kinetics
Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list) EC7 Translocases (list)

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References

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