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1.1.1.219: dihydroflavonol 4-reductase

This is an abbreviated version!
For detailed information about dihydroflavonol 4-reductase, go to the full flat file.

Word Map on EC 1.1.1.219

Reaction

a (2R,3S,4S)-leucoanthocyanidin
+
NADP+
=
a (2R,3R)-dihydroflavonol
 +
NADPH
 +
H+

Synonyms

Bo9g058630, BrDFR1, BrDFR10, BrDFR11, BrDFR12, BrDFR2, BrDFR3, BrDFR4, BrDFR5, BrDFR6, BrDFR7, BrDFR8, BrDFR9, CsDFR, Cyp82C1, cytochrome P450 CYP82C1, DcDFR, DFL1, DFR, DFR1, DFR1a, DFR2, DFR3, DFR4a, DFR4b, DFR5, DgDFR, DHM reductase, DHQ reductase, dihydroflavanol 4-reductase, dihydroflavanol-4-reductase-like protein, dihydroflavonol 4-reductase, dihydroflavonol reductase, dihydroflavonol-4-reductase, dihydrokaempferol 4-reductase, dihydromyricetin reductase, dihydroquercetin reductase, DnDFR, flavan-3-ol NADPH-dihydromycertin reductase, flavonoid 3'-hydroxylase, GbDFR1, GbDFR2, GbDFR3, IbDFR, McDFR, NADPH-dihydromyricetin reductase, NtDFR1, PAS_chr3_0449, PgDFR, PhDFR, reductase, dihydromyricetin, reductase, dihydroquercetin, RrDFR1, TaDFR, TaDFR-A, TaDFR-I, TRANSPARENT TESTA 3 protein

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.219 dihydroflavonol 4-reductase

Specific Activity

Specific Activity on EC 1.1.1.219 - dihydroflavonol 4-reductase

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.000012
-
pigmented cultivar Tarocco in 0.05 M Tris-HCl pH 7.5, l M dihydroquercetin, 2 mM NADPH, 1 U glucose-6-phosphate dehydrogenase, 6 mM glucose-6-phosphate and enzyme extract at 25°C
0.00002
with dihydrokaempferol as substrate
0.0003
0.0004
0.0005
with naringenin as substrate
0.0006
0.0007
0.0008
with eriodictyol as substrate
0.001
0.0012
0.0013
0.0014
0.0015
with dihydromyricetin as substrate
0.014
with dihydrokaempferol as substrate
0.021
with dihydrokaempferol as substrate
0.024
-
-
0.042
-
sample callus control in 25 mM Tris-HCl (pH 7.0), 4 mM NADPH and 0.1 mM dihydroquercetin at 25°C
0.103
-
sample callus L-1 in 25 mM Tris-HCl (pH 7.0), 4 mM NADPH and 0.1 mM dihydroquercetin at 25°C
0.155
-
sample callus L-2 in 25 mM Tris-HCl (pH 7.0), 4 mM NADPH and 0.1 mM dihydroquercetin at 25°C
0.202
-
sample plant control in 25 mM Tris-HCl (pH 7.0), 4 mM NADPH and 0.1 mM dihydroquercetin at 25°C
0.268
-
sample plant L-2 in 25 mM Tris-HCl (pH 7.0), 4 mM NADPH and 0.1 mM dihydroquercetin at 25°C
0.349
-
sample plant L-1 in 25 mM Tris-HCl (pH 7.0), 4 mM NADPH and 0.1 mM dihydroquercetin at 25°C
156.4
-
without any fruit treatment, day 4 of storage at 1°C
42.8
pH 7.0, 25°C
42850
recombinant protein
additional information