(4S)-beta-phellandrene synthase (geranyl-diphosphate-cyclizing)

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(4S)-beta-phellandrene synthase (geranyl-diphosphate-cyclizing) (EC 4.2.3.52, phellandrene synthase, (−)-beta-phellandrene synthase, (−)-(4S)-beta-phellandrene synthase) is an enzyme with systematic name geranyl-diphosphate diphosphate-lyase (cyclizing; (4S)-beta-phellandrene-forming).^[1]^[2]^[3]^[4] This enzyme catalyses the following chemical reaction

geranyl diphosphate

\rightleftharpoons

(4S)-beta-phellandrene + diphosphate

This enzyme requires ion Mn²⁺.

References

↑ Savage, T.J., Hatch, M.W. and Croteau, R. (1994). "Monoterpene synthases of Pinus contorta and related conifers. A new class of terpenoid cyclase". J. Biol. Chem. 269 (6): 4012–4020. PMID 8307957.
↑ Bohlmann, J., Phillips, M., Ramachandiran, V., Katoh, S. and Croteau, R. (1999). "cDNA cloning, characterization, and functional expression of four new monoterpene synthase members of the Tpsd gene family from grand fir (Abies grandis)". Arch. Biochem. Biophys. 368: 232–243. doi:10.1006/abbi.1999.1332. PMID 10441373.
↑ Wagschal, K., Savage, T.J. and Croteau, R. (1991). "Isotopically sensitive branching as a tool for evaluating multiple product formation by monoterpene cyclases". Tetrahedron 31: 5933–5944. doi:10.1016/s0040-4020(01)86486-3.
↑ LaFever, R.E. and Croteau, R. (1993). "Hydride shifts in the biosynthesis of the p-menthane monoterpenes α-terpinene, γ-terpinene, and β-phellandrene". Arch. Biochem. Biophys. 301: 361–366. doi:10.1006/abbi.1993.1156. PMID 8460944.

External links

(4S)-beta-phellandrene synthase (geranyl-diphosphate-cyclizing) at the US National Library of Medicine Medical Subject Headings (MeSH)

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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