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Literature summary for 2.1.1.232 extracted from

  • Rakwal, R.; Hasegawa, M.; Kodama, O.
    A methyltransferase for synthesis of the flavanone phytoalexin sakuranetin in rice leaves (1996), Biochem. Biophys. Res. Commun., 222, 732-735.
    View publication on PubMed

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
S-adenosyl-L-methionine + (2S)-5,7,4'-trihydroxyflavanone Oryza sativa i.e. (2S)-naringenin. The enzyme catalyzes the terminal step in the biosynthesis of the flavanone sakuranetin, the major phytoalexin produced by Oryza sativa that is involved in defense related response S-adenosyl-L-homocysteine + (2S)-5,4'-dihydroxy-7-methoxyflavanone i.e. (2S)-sakuranetin ?
S-adenosyl-L-methionine + (2S)-5,7,4'-trihydroxyflavanone Oryza sativa L. Hitomebore i.e. (2S)-naringenin. The enzyme catalyzes the terminal step in the biosynthesis of the flavanone sakuranetin, the major phytoalexin produced by Oryza sativa that is involved in defense related response S-adenosyl-L-homocysteine + (2S)-5,4'-dihydroxy-7-methoxyflavanone i.e. (2S)-sakuranetin ?

Organism

Organism UniProt Comment Textmining
Oryza sativa
-
-
-
Oryza sativa L. Hitomebore
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf irradiated with short wave UV light. NO activity in healthy rice leaves Oryza sativa
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information no activity with 5,7,4'-trihydroxyisoflavone (genistein), 7,4'-dihydroxyisoflavone (daidzein) and 5,4'-dihydroxy-7-methoxyflavanone (sakuranetin) Oryza sativa ?
-
?
additional information no activity with 5,7,4'-trihydroxyisoflavone (genistein), 7,4'-dihydroxyisoflavone (daidzein) and 5,4'-dihydroxy-7-methoxyflavanone (sakuranetin) Oryza sativa L. Hitomebore ?
-
?
S-adenosyl-L-methionine + (2S)-5,7,4'-trihydroxyflavanone i.e. (2S)-naringenin. The enzyme catalyzes the terminal step in the biosynthesis of the flavanone sakuranetin, the major phytoalexin produced by Oryza sativa that is involved in defense related response Oryza sativa S-adenosyl-L-homocysteine + (2S)-5,4'-dihydroxy-7-methoxyflavanone i.e. (2S)-sakuranetin ?
S-adenosyl-L-methionine + (2S)-5,7,4'-trihydroxyflavanone i.e. (2S)-naringenin Oryza sativa S-adenosyl-L-homocysteine + (2S)-5,4'-dihydroxy-7-methoxyflavanone i.e. (2S)-sakuranetin ?
S-adenosyl-L-methionine + (2S)-5,7,4'-trihydroxyflavanone i.e. (2S)-naringenin. The enzyme catalyzes the terminal step in the biosynthesis of the flavanone sakuranetin, the major phytoalexin produced by Oryza sativa that is involved in defense related response Oryza sativa L. Hitomebore S-adenosyl-L-homocysteine + (2S)-5,4'-dihydroxy-7-methoxyflavanone i.e. (2S)-sakuranetin ?
S-adenosyl-L-methionine + (2S)-5,7,4'-trihydroxyflavanone i.e. (2S)-naringenin Oryza sativa L. Hitomebore S-adenosyl-L-homocysteine + (2S)-5,4'-dihydroxy-7-methoxyflavanone i.e. (2S)-sakuranetin ?
S-adenosyl-L-methionine + 3',4',5,7-tetrahydroxyflavanone i.e. luteolin, 767% of the activity with naringenin, crude enzyme preparation Oryza sativa S-adenosyl-L-homocysteine + 3,4',5-trihydroxy-7-methoxyflavanone
-
?
S-adenosyl-L-methionine + 3',4',5,7-tetrahydroxyflavanone i.e. luteolin, 767% of the activity with naringenin, crude enzyme preparation Oryza sativa L. Hitomebore S-adenosyl-L-homocysteine + 3,4',5-trihydroxy-7-methoxyflavanone
-
?
S-adenosyl-L-methionine + 5,7,4'-trihydroxyflavone i.e. apigenin, 98% of the activity with naringenin, crude enzyme preparation Oryza sativa S-adenosyl-L-homocysteine + 5,4'-dihydroxy-7-methoxyflavone i.e. genkwanin ?
S-adenosyl-L-methionine + 5,7,4'-trihydroxyflavone i.e. apigenin, 98% of the activity with naringenin, crude enzyme preparation Oryza sativa L. Hitomebore S-adenosyl-L-homocysteine + 5,4'-dihydroxy-7-methoxyflavone i.e. genkwanin ?

Expression

Organism Comment Expression
Oryza sativa increases upon irradiation with UV light up

General Information

General Information Comment Organism
physiological function the enzyme catalyzes the terminal step in the biosynthesis of the flavanone sakuranetin, the major phytoalexin produced by Oryza sativa that is involved in defense related response Oryza sativa