Information on EC - stemar-13-ene synthase

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EC Tree
     4 Lyases
         4.2 Carbon-oxygen lyases
             4.2.3 Acting on phosphates
       stemar-13-ene synthase
IUBMB Comments
This diterpene cyclase produces stemar-13-ene, a putative precursor of the rice phytoalexin oryzalexin S. Phytoalexins are diterpenoid secondary metabolites that are involved in the defense mechanism of the plant, and are produced in response to pathogen attack through the perception of elicitor signal molecules such as chitin oligosaccharide, or after exposure to UV irradiation.
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Word Map
  • phytoalexins
  • rice
  • oryzalexins
  • diterpene
  • diterpenoids
  • sativa
  • syn-copalyl
  • oryza
  • phytohormone
  • phytocassanes
  • gibberellin
  • momilactones
  • labdane-related
  • oscps4
  • elicitors
  • geranylgeranyl
  • indica
  • ent-copalyl
  • suspension-cultured
  • chitin
The expected taxonomic range for this enzyme is: Oryza
ent-kaurene synthase like 8 japonica, ent-kaurene synthase-like 8, KS like 8, KSL8, OrKSL8j, OsDTC2, OsKSL8, stemar-13-ene synthase, stemod-13-ene synthase, more
9alpha-copalyl diphosphate = stemar-13-ene + diphosphate
show the reaction diagram
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