1.1.1.295: momilactone-A synthase

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For detailed information about momilactone-A synthase, go to the full flat file.

Reaction

Synonyms

3beta-hydroxy-9beta-primara-7,15-dien-19,6beta-olide dehydrogenase, AK103462 protein, CpMAS, momilactone A synthase, MS1, MS2, Os04g0179200, OsMAS, OsMAS2

ECTree

     1 Oxidoreductases

         1.1 Acting on the CH-OH group of donors

             1.1.1 With NAD⁺ or NADP⁺ as acceptor

                1.1.1.295 momilactone-A synthase

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Results	in table
8	AA Sequence
1	CAS Registry Number
2	Cloned(Commentary)
10	Cofactor
2	Expression
5	General Information
4	kcat/KM [mM/s]
4	KM Value [mM]
1	Localization
4	Natural Substrates/ Products (Substrates)
8	Organism
3	Pathway
1	pH Optimum
1	pH Range
1	Protein Variants
1	Purification (Commentary)
1	Reaction
7	Reference
2	Source Tissue
13	Substrates and Products (Substrate)
13	Synonyms
1	Systematic Name
1	Temperature Optimum [°C]
1	Temperature Range [°C]
4	Turnover Number [1/s]

Systematic Name

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Systematic Name on EC 1.1.1.295 - momilactone-A synthase

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SYSTEMATIC NAME

IUBMB Comments

3beta-hydroxy-9beta-pimara-7,15-diene-19,6beta-olide:NAD(P)+ oxidoreductase

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. The enzyme, which catalyses the last step in the biosynthesis of momilactone A, can use both NAD+ and NADP+ but activity is higher with NAD+ [1].