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EC 4.2.3.112 Details

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EC number

4.2.3.112

Accepted name

(+)-α-terpineol synthase

Reaction

geranyl diphosphate + H₂O = (+)-α-terpineol + diphosphate

Systematic name

geranyl-diphosphate diphosphate-lyase [cyclizing, (+)-α-terpineol-forming]

Comment

The enzyme has been characterized from Santalum album (sandalwood). Also forms some (-)-limonene and traces of other monoterpenoids. See EC 4.2.3.16 (4S)-limonene synthase.

History

created 2012

EC Tree

1 Oxidoreductases

1.1 Acting on the CH-OH group of donors

1.2 Acting on the aldehyde or oxo group of donors

1.3 Acting on the CH-CH group of donors

1.3.1 With NAD⁺ or NADP⁺ as acceptor

1.3.2 With a cytochrome as acceptor

1.3.3 With oxygen as acceptor

1.3.4 With a disulfide as acceptor

1.3.5 With a quinone or related compound as acceptor

1.3.7 With an iron-sulfur protein as acceptor

1.3.8 With a flavin as acceptor

1.3.8.1 short-chain acyl-CoA dehydrogenase

1.3.8.2 4,4′-diapophytoene desaturase (4,4′-diapolycopene-forming)

1.3.8.3 (R)-benzylsuccinyl-CoA dehydrogenase

1.3.8.4 isovaleryl-CoA dehydrogenase

1.3.8.5 short-chain 2-methylacyl-CoA dehydrogenase

1.3.8.6 glutaryl-CoA dehydrogenase (ETF)

1.3.8.7 medium-chain acyl-CoA dehydrogenase

1.3.8.8 long-chain acyl-CoA dehydrogenase

1.3.8.9 very-long-chain acyl-CoA dehydrogenase

1.3.8.10 cyclohex-1-ene-1-carbonyl-CoA dehydrogenase

1.3.8.11 cyclohexane-1-carbonyl-CoA dehydrogenase (electron-transfer flavoprotein)

1.3.8.12 (2S)-methylsuccinyl-CoA dehydrogenase

1.3.8.13 crotonobetainyl-CoA reductase

1.3.8.14 L-prolyl-[peptidyl-carrier protein] dehydrogenase

1.3.8.15 3-(aryl)acrylate reductase

1.3.8.16 2-amino-4-deoxychorismate dehydrogenase

1.3.8.17 dehydro coenzyme F₄₂₀ reductase

1.3.98 With other, known, physiological acceptors

1.3.99 With unknown physiological acceptors

1.4 Acting on the CH-NH₂ group of donors

1.5 Acting on the CH-NH group of donors

1.6 Acting on NADH or NADPH

1.6.1 With NAD⁺ or NADP⁺ as acceptor

1.6.2 With a heme protein as acceptor

1.6.3 With oxygen as acceptor

1.6.4 With a disulfide as acceptor (deleted sub-subclass)

1.6.5 With a quinone or similar compound as acceptor

1.6.6 With a nitrogenous group as acceptor

1.6.7 With an iron-sulfur protein as acceptor (deleted sub-subclass)

1.6.8 With a flavin as acceptor (deleted sub-subclass)

1.6.99 With unknown physiological acceptors

1.7 Acting on other nitrogenous compounds as donors

1.8 Acting on a sulfur group of donors

1.9 Acting on a heme group of donors

1.10 Acting on diphenols and related substances as donors

1.11 Acting on a peroxide as acceptor

1.11.1 Peroxidases

1.11.2 Peroxygenases

1.12 Acting on hydrogen as donor

1.13 Acting on single donors with incorporation of molecular oxygen (oxygenases)

1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen

1.15 Acting on superoxide as acceptor

1.16 Oxidizing metal ions

1.17 Acting on CH or CH₂ groups

1.18 Acting on iron-sulfur proteins as donors

1.19 Acting on reduced flavodoxin as donor

1.20 Acting on phosphorus or arsenic in donors

1.21 Catalysing the reaction X-H + Y-H = X-Y

1.21.1 With NAD⁺ or NADP⁺ as acceptor

1.21.3 With oxygen as acceptor

1.21.4 With a disulfide as acceptor

1.21.98 With other, known, physiological acceptors

1.21.99 With unknown physiological acceptors

1.22 Acting on halogen in donors

1.23 Reducing C-O-C group as acceptor

1.97 Other oxidoreductases

1.98 Enzymes using H₂ as reductant (deleted subclass)

1.99 Other enzymes using O₂ as oxidant (deleted subclass)

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Release 2023.1 (January 2023)