Harman Patil (Editor)

Momilactone A synthase

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EC number
  
1.1.1.295

BRENDA
  
BRENDA entry

KEGG
  
KEGG entry

IntEnz
  
IntEnz view

ExPASy
  
NiceZyme view

MetaCyc
  
metabolic pathway

Momilactone-A synthase (EC 1.1.1.295, momilactone A synthase, OsMAS) is an enzyme with systematic name 3beta-hydroxy-9beta-pimara-7,15-diene-19,6beta-olide:NAD(P)+ oxidoreductase. This enzyme catalyses the following chemical reaction

3beta-hydroxy-9beta-pimara-7,15-diene-19,6beta-olide + NAD(P)+ momilactone A + NAD(P)H + H+

The rice phytoalexin momilactone A is a diterpenoid secondary metabolite that is involved in the defense mechanism of the plant. Momilactone A is produced in response to attack by a pathogen through the perception of elicitor signal molecules such as chitin oligosaccharide, or after exposure to UV irradiation.

References

Momilactone-A synthase Wikipedia