(-)-alpha-terpineol synthase

(-)-alpha-terpineol synthase (EC 4.2.3.111) is an enzyme with systematic name geranyl-diphosphate diphosphate-lyase (cyclizing, (-)-alpha-terpineol-forming).^[1]^[2] This enzyme catalyses the following chemical reaction

\rightleftharpoons

(-)-alpha-terpineol + diphosphate

The enzyme has been characterized from Vitis vinifera (grape).

References

↑ Martin, D.M.; Bohlmann, J. (2004). "Identification of Vitis vinifera (-)-α-terpineol synthase by in silico screening of full-length cDNA ESTs and functional characterization of recombinant terpene synthase". Phytochemistry. 65 (9): 1223–1229. doi:10.1016/j.phytochem.2004.03.018. PMID 15184006.
↑ Lucker, J.; Bowen, P.; Bohlmann, J. (2004). "Vitis vinifera terpenoid cyclases: functional identification of two sesquiterpene synthase cDNAs encoding (+)-valencene synthase and (-)-germacrene D synthase and expression of mono- and sesquiterpene synthases in grapevine flowers and berries". Phytochemistry. 65: 2649–2659. doi:10.1016/j.phytochem.2004.08.017. PMID 15464152.

Carbon-oxygen lyases (EC 4.2) (primarily dehydratases)

4.2.1: Hydro-Lyases	Carbonic anhydrase Fumarase Aconitase Enolase Alpha Enolase 2 Enoyl-CoA hydratase/3-Hydroxyacyl ACP dehydrase Methylglutaconyl-CoA hydratase Tryptophan synthase Cystathionine beta synthase Porphobilinogen synthase 3-Isopropylmalate dehydratase Urocanase Uroporphyrinogen III synthase Nitrile hydratase

4.2.2: Acting on polysaccharides	Hyaluronate lyase

4.2.3: Acting on phosphates	Threonine synthase

4.2.99: Other	Carboxymethyloxysuccinate lyase

Enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list)

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