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1.14.11.9: flavanone 3-dioxygenase

This is an abbreviated version!
For detailed information about flavanone 3-dioxygenase, go to the full flat file.

Word Map on EC 1.14.11.9

Reaction

a (2S)-flavan-4-one
+
2-oxoglutarate
+
O2
=
a (2R,3R)-dihydroflavonol
+
succinate
+
CO2

Synonyms

(2S)-flavanone 3-hydroxylase, AaF3H, AcF3H, BnF3H, CsF3H, CtF3H, F3H, F3H protein, F3H1, F3H2, FHT, FHTPH, flavanone 3-dioxygenase, flavanone 3-hydroxylase, flavanone 3beta-hydroxylase, flavanone synthase I, flavanone-3-hydroxylase, FLS1, FLS2, FS I, LcF3H, naringenin 3-dioxygenase, naringenin,2-oxoglutarate:oxygen oxidoreductase (3-hydroxylating), oxygenase, flavanone 3-di-, PeF3H, PgF3H, PnF3H, RtF3H1, RtF3H2, VcF3H

ECTree

     1 Oxidoreductases
         1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
             1.14.11 With 2-oxoglutarate as one donor, and incorporation of one atom of oxygen into each donor
                1.14.11.9 flavanone 3-dioxygenase

Purification

Purification on EC 1.14.11.9 - flavanone 3-dioxygenase

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PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
recombinant enzyme
-
recombinant His-tagged enzyme from Escherichia coli strain BL21(DE3) by nickel affinity chromatography
-
recombinant MBP-tagged enzyme from Escherichia coli BL21(DE3)pLysS by amylose affinity chromatography
Sephadex G25 column gel filtration
-
shock frozen fruits are ground in a mill, leaves are ground in liquid nitrogen in a mortar, protocol 1: plant material is homogenized in a mortar with quartz sand and Polyclar AT with extraction buffer (0.1 M Tris-HCl, pH 7.5, containing 0.4% sodium ascorbate) and centrifuged, or protocol 2 (optimized for polyphenol-rich tissues): plant material is homogenized with Polyclar AT in a mortar, transferred to a falcon tube containing Dowex in buffer (0.7 M KH2PO4/K2HPO4, pH 8.0, containing 0.4 M sucrose, 0.4 M sodium ascorbate, 1 mM CaCl2, 30 mM EDTA, 50 mM cysteine, 50 mM DIECA, 1.5% PEG 20000, and 0.1% BSA, kept under nitrogen atmosphere after removing oxygen by boiling), homogenate is filtered (glass wool) and centrifuged, supernatants obtained with both protocols are cleared of low molecular compounds by a Sephadex G25 gel chromatography column
shock frozen fruits are ground in a mill, leaves are ground in liquid nitrogen in a mortar, protocol 1: plant material is homogenized in a mortar with quartz sand and Polyclar AT with extraction buffer (0.1 M Tris-HCl, pH 7.5, containing 0.4% sodium ascorbate) and centrifuged, or protocol 2 (optimized for polyphenol-rich tissues): plant material is homogenized with Polyclar AT in a mortar, transferred to a falcon tube containing Dowex in buffer (0.7 M KH2PO4/K2HPO4, pH 8.0, containing 0.4 M sucrose, 0.4 M sodium ascorbate, 1 mM CaCl2, 30mM EDTA, 50 mM cysteine, 50 mM DIECA, 1.5% PEG 20000, and 0.1% BSA, kept under nitrogen atmosphere after removing oxygen by boiling), homogenate is filtered (glass wool) and centrifuged, supernatants obtained with both protocols are cleared of low molecular compounds by a Sephadex G25 gel chromatography column
-
wild-type and mutant enzymes
-