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.

Reaction

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

Synonyms

DFR, DFR1, DFR2, DFR3, DFR4a, DFR4b, DFR5, DHM reductase, DHQ reductase, dihydroflavanol 4-reductase, dihydroflavonol 4-reductase, dihydroflavonol reductase, dihydroflavonol-4-reductase, dihydrokaempferol 4-reductase, dihydromyricetin reductase, dihydroquercetin reductase, NADPH-dihydromyricetin reductase, PAS_chr3_0449, reductase, dihydromyricetin, reductase, dihydroquercetin, 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

Storage Stability

Storage Stability on EC 1.1.1.219 - dihydroflavonol 4-reductase

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STORAGE STABILITY
ORGANISM
UNIPROT
LITERATURE
-20C, 20% loss of activity within 2 days, 2-mercaptoethanol protects
-
-20C, 57% loss of activity after 4 months, 2-mercaptoethanol protects
-
-70C, 10% glycerol, crude extract stable for several weeks
-
1C, after 4 days of storage decrease in enzyme activity
-
4C, 50% loss of activity in 100 days
5C, stable for 36 h
-