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Information on EC 4.2.3.121 - (+)-alpha-pinene synthase

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EC Tree
     4 Lyases
         4.2 Carbon-oxygen lyases
             4.2.3 Acting on phosphates
                4.2.3.121 (+)-alpha-pinene synthase
IUBMB Comments
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.
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Word Map
  • 4.2.3.121
  • adenylyl
  • olfactory
  • cilia
  • odor
  • aciii
  • nucleotide-gated
  • ciliogenesis
  • cyclases
  • golf
  • +-alpha-pinene
  • vomeronasal
  • ciliopathy
  • olfaction
The enzyme appears in viruses and cellular organisms
Synonyms
(+)-alpha-pinene cyclase, (+)-pinene cyclase, alpha pinene sythase, alpha-pinene sythase, AvPS, AvTPS1, cyclase I, cyclase III, limonene synthase, LIMS, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
geranyl diphosphate = (+)-alpha-pinene + diphosphate
show the reaction diagram
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