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Literature summary for 1.1.1.295 extracted from

  • Kitaoka, N.; Wu, Y.; Zi, J.; Peters, R.J.
    Investigating inducible short-chain alcohol dehydrogenases/reductases clarifies rice oryzalexin biosynthesis (2016), Plant J., 88, 271-279.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.06
-
oryzalexin A pH 8.0, 30°C Oryza sativa
0.2
-
3beta-hydroxy-9beta-pimara-7,15-diene-19,6beta-olide pH 8.0, 30°C Oryza sativa
0.9
-
3beta-hydroxy-9beta-pimara-7,15-diene-19,6beta-olide pH 8.0, 30°C Oryza sativa

Organism

Organism UniProt Comment Textmining
Oryza sativa Q7FAE1
-
-
Oryza sativa Q7FAE2
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2alpha-hydroxy-ent-cassadiene + NAD+
-
Oryza sativa ? + NADH + H+
-
?
3beta-hydroxy-9beta-pimara-7,15-diene-19,6beta-olide + NAD+
-
Oryza sativa momilactone A + NADH + H+
-
?
oryzalexin D + NAD+
-
Oryza sativa oryzalexin A + NADH + H+ oxidation of the 7beta-hydroxyl group of oryzalexin D ?

Synonyms

Synonyms Comment Organism
MS1
-
Oryza sativa
MS2
-
Oryza sativa
Os04g0179200
-
Oryza sativa

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.02
-
oryzalexin A pH 8.0, 30°C Oryza sativa
0.023
-
oryzalexin A pH 8.0, 30°C Oryza sativa
0.08
-
3beta-hydroxy-9beta-pimara-7,15-diene-19,6beta-olide pH 8.0, 30°C Oryza sativa
0.4
-
3beta-hydroxy-9beta-pimara-7,15-diene-19,6beta-olide pH 8.0, 30°C Oryza sativa

General Information

General Information Comment Organism
physiological function isoform MS2 more efficiently catalyzes the final oxidation to produce momilactone A than isoform MS1 Oryza sativa

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.09
-
3beta-hydroxy-9beta-pimara-7,15-diene-19,6beta-olide pH 8.0, 30°C Oryza sativa
0.3
-
oryzalexin A pH 8.0, 30°C Oryza sativa
0.4
-
oryzalexin A pH 8.0, 30°C Oryza sativa
2
-
3beta-hydroxy-9beta-pimara-7,15-diene-19,6beta-olide pH 8.0, 30°C Oryza sativa