ENZYME entry: EC 4.2.3.120

Accepted Name
(-)-beta-pinene synthase.
Alternative Name(s)
(-)-(1S,5S)-pinene synthase.
Beta-geraniolene synthase.
Reaction catalysed
Geranyl diphosphate <=> (-)-beta-pinene + diphosphate
Comment(s)
  • Cyclase II of Salvia officinalis (sage) produces about equal parts (-)-alpha-pinene, (-)-beta-pinene and (-)-camphene, plus traces of other monoterpenoids.
  • The enzyme can also use (3S)-Linalyl diphosphate (preferred to (3R)- linalyl diphosphate).
  • The enzyme from Abies grandis (grand fir) produces roughly equal parts of (-)-alpha-pinene and (-)-beta-pinene.
  • 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.
  • 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, EC 4.2.3.117 and EC 4.2.3.107.
  • Formerly EC 4.1.99.8 and EC 4.2.3.14.
Cross-references
BRENDA4.2.3.120
EC2PDB4.2.3.120
ExplorEnz4.2.3.120
PRIAM enzyme-specific profiles4.2.3.120
KEGG Ligand Database for Enzyme Nomenclature4.2.3.120
IUBMB Enzyme Nomenclature4.2.3.120
IntEnz4.2.3.120
MEDLINEFind literature relating to 4.2.3.120
MetaCyc4.2.3.120
UniProtKB/Swiss-Prot
Q94G53, QH6_ARTAN;  Q6XDB5, TPSD2_PICSI;  O24475, TPSD3_ABIGR;  

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