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EC 4.2.3.28 Details
EC number
4.2.3.28
Accepted name
ent-cassa-12,15-diene synthase
Reaction
ent-copalyl diphosphate = ent-cassa-12,15-diene + diphosphate
Other name(s)
OsDTC1, OsKS7
Systematic name
ent-copalyl-diphosphate diphosphate-lyase (ent-cassa-12,15-diene-forming)
Comment
This class I diterpene cyclase produces ent-cassa-12,15-diene, a precursor of the rice phytoalexins (-)-phytocassanes A-E. 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.
History
created 2008
EC Tree
3.1.1.9 created 1961, deleted 1972
3.1.1.12 created 1961, deleted 1972
3.1.1.16 created 1961, deleted 1972
3.1.1.18 created 1961, deleted 1982
3.1.1.62 created 1989, deleted 1992
3.1.1.69 created 1992, deleted 2002