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Literature summary extracted from

  • Kim, J.H.; Lee, Y.J.; Kim, B.G.; Lim, Y.; Ahn, J.H.
    Flavanone 3beta-hydroxylases from rice: key enzymes for favonol and anthocyanin biosynthesis (2008), Mol. Cell, 25, 312-316.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.14.11.9 expression as glutathione S-transferase fusion protein Oryza sativa

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.14.11.9 EDTA 0.2 M, complete loss of activity; 0.2 M, complete loss of activity; 0.2 M, complete loss of activity Oryza sativa

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.14.11.9 0.0057
-
(S)-eriodictyol pH 8.0, 37°C Oryza sativa
1.14.11.9 0.0063
-
(S)-eriodictyol pH 8.0, 37°C Oryza sativa
1.14.11.9 0.0578
-
(S)-eriodictyol pH 8.0, 37°C Oryza sativa

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.14.11.9 36800
-
x * 36800, calculated Oryza sativa
1.14.11.9 38700
-
x * 38700, calculated Oryza sativa
1.14.11.9 42700
-
x * 42700, calculated Oryza sativa

Organism

EC Number Organism UniProt Comment Textmining
1.14.11.9 Oryza sativa
-
isoform OsF3H-1
-
1.14.11.9 Oryza sativa Q7XR84 isoform OsF3H-3
-
1.14.11.9 Oryza sativa Q8W2X5 isoform OsF3H-2
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.14.11.9 seed highest expression Oryza sativa
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.11.9 (2S)-naringenin + 2-oxoglutarate + O2
-
Oryza sativa (2R,3R)-dihydrokaempferol + succinate + CO2
-
?
1.14.11.9 (S)-eriodictyol + 2-oxoglutarate + O2
-
Oryza sativa (2R,3R)-dihydroquercetin + succinate + CO2
-
?
1.14.11.9 3'-methoxy eriodictyol + 2-oxoglutarate + O2
-
Oryza sativa ? + succinate + CO2
-
?
1.14.11.9 3'-methoxy eriodictyol + 2-oxoglutarate + O2 68% of the activity with eriodictyol Oryza sativa ? + succinate + CO2
-
?
1.14.11.9 4'-methoxy eriodictyol + 2-oxoglutarate + O2
-
Oryza sativa ? + succinate + CO2
-
?
1.14.11.9 4'-methoxy eriodictyol + 2-oxoglutarate + O2 105% of the activity with eriodictyol Oryza sativa ? + succinate + CO2
-
?

Subunits

EC Number Subunits Comment Organism
1.14.11.9 ? x * 38700, calculated Oryza sativa
1.14.11.9 ? x * 36800, calculated Oryza sativa
1.14.11.9 ? x * 42700, calculated Oryza sativa

Cofactor

EC Number Cofactor Comment Organism Structure
1.14.11.9 ascorbate
-
Oryza sativa