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Information on EC 4.2.3.120 - (-)-beta-pinene synthase

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EC Tree
     4 Lyases
         4.2 Carbon-oxygen lyases
             4.2.3 Acting on phosphates
                4.2.3.120 (-)-beta-pinene synthase
IUBMB Comments
Cyclase II of Salvia officinalis (sage) produces about equal parts (-)-alpha-pinene, (-)-beta-pinene and (-)-camphene, plus traces of other monoterpenoids. The enzyme, which requires Mg2+ (preferred to Mn2+), can also use (3S)-Linalyl diphosphate (preferred to (3R)-linalyl diphosphate) [1-4]. The enzyme from Abies grandis (grand fir) produces roughly equal parts of (-)-alpha-pinene and (-)-beta-pinene [6-9]. Cyclase IV from Pinus contorta (lodgepole pine) produces 63% (-)-beta-pinene, 26% 3-carene, and traces of alpha-pinene . Synthase III from Pinus taeda (loblolly pine) forms (-)-beta-pinene with traces of alpha-pinene and requires Mn2+ and K+ (Mg2+ is ineffective) . A cloned enzyme from Artemisia annua (sweet wormwood) gave (-)-beta-pinene with traces of (-)-alpha-pinene . The enzyme from Picea sitchensis (Sika spruce) forms 30% (-)-beta-pinene and 70% (-)-alpha-pinene . See also EC 4.2.3.119, (-)-alpha-pinene synthase, EC 4.2.3.117, (-)-camphene synthase, and EC 4.2.3.107 (+)-3-carene synthase.
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The enzyme appears in viruses and cellular organisms
Synonyms
(-)-(1S,5S)-pinene synthase, (-)-pinene synthase, ag9, AvPS, AvTPS1, beta-geraniolene synthase, cyclase II, mono-tps, More, pinene synthase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
geranyl diphosphate = (-)-beta-pinene + diphosphate
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