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Literature summary for 1.1.1.219 extracted from

  • Lo Piero, A.R.; Puglisi, I.; Petrone, G.
    Gene characterization, analysis of expression and in vitro synthesis of dihydroflavonol 4-reductase from [Citrus sinensis (L.) Osbeck] (2006), Phytochemistry, 67, 684-695.
    View publication on PubMed

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
38010
-
calculated from sequence of cDNA Citrus sinensis

Organism

Organism UniProt Comment Textmining
Citrus sinensis
-
Citrus sinensis (L.) Osbeck, cultivars Tarocco, Navel and Ovale
-

Purification (Commentary)

Purification (Comment) Organism
70% saturated ammonium sulfate precipitation and dialysis Citrus sinensis

Source Tissue

Source Tissue Comment Organism Textmining
pulp
-
Citrus sinensis
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
no specific activity detectable for non-pigmented cultivars Navel and Ovale Citrus sinensis
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 Citrus sinensis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
dihydroquercetin + NADPH
-
Citrus sinensis cis-3,4-leucocyanidin + NADP+
-
?

Synonyms

Synonyms Comment Organism
DFR
-
Citrus sinensis
dihydroflavonol 4-reductase
-
Citrus sinensis

Cofactor

Cofactor Comment Organism Structure
NADPH
-
Citrus sinensis

pI Value

Organism Comment pI Value Maximum pI Value
Citrus sinensis
-
-
5.96