4.2.3.121: (+)-alpha-pinene synthase

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For detailed information about (+)-alpha-pinene synthase, go to the full flat file.

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Synonyms

(+)-alpha-pinene cyclase, (+)-pinene cyclase, alpha pinene sythase, alpha-pinene sythase, AvPS, AvTPS1, cyclase I, cyclase III, limonene synthase, LIMS, More, pinene synthase, PINS, PlPIN, TPS-(+)apin1, TPS1

ECTree

     4 Lyases

         4.2 Carbon-oxygen lyases

             4.2.3 Acting on phosphates

                4.2.3.121 (+)-alpha-pinene synthase

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Results	in table
12	AA Sequence
1	CAS Registry Number
8	Cloned(Commentary)
1	Crystallization (Commentary)
5	General Information
8	Inhibitors
1	kcat/KM [mM/s]
8	Ki Value [mM]
8	KM Value [mM]
3	Localization
15	Metals/Ions
7	Molecular Weight [Da]
2	Natural Substrates/ Products (Substrates)
4	Organic Solvent Stability
17	Organism
8	pH Optimum
4	pH Range
1	pI Value
1	Posttranslational Modification
2	Purification (Commentary)
1	Reaction
17	Reference
8	Source Tissue
1	Storage Stability
33	Substrates and Products (Substrate)
4	Subunits
22	Synonyms
1	Systematic Name
4	Temperature Optimum [°C]
2	Temperature Range [°C]
1	Turnover Number [1/s]

Systematic Name

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Systematic Name on EC 4.2.3.121 - (+)-alpha-pinene synthase

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SYSTEMATIC NAME

IUBMB Comments

geranyl-diphosphate diphosphate-lyase [cyclizing, (+)-alpha-pinene-forming]

Cyclase I of Salvia officinalis (sage) gives about equal parts (+)-alpha-pinene and (+)-camphene, whereas cyclase III gives about equal parts of (+)-alpha-pinene and (+)-beta-pinene. (3R)-Linalyl diphosphate can also be used by the enzyme in preference to (3S)-linalyl diphosphate. The 4-pro-R-hydrogen of geranyl diphosphate is lost. Requires Mg2+ (preferred to Mn2+) [1-4]. With synthase II of Pinus taeda (loblolly pine) (+)-alpha-pinene was the only product [5,6]. Requires Mn2+ (preferred to Mg2+). See also EC 4.2.3.122, (+)-beta-pinene synthase, and EC 4.2.3.116, (+)-camphene synthase.