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Literature summary for 1.1.1.21 extracted from

  • Mayr, P.; Bruggler, K.; Kulbe, K.D.; Nidetzky, B.
    D-Xylose metabolism by Candida intermedia: isolation and characterization of two forms of aldose reductase with different coenzyme specificities (2000), J. Chromatogr., 737, 195-202.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
overexpression in Escherichia coli [Candida] intermedia

General Stability

General Stability Organism
thiol stabilizing reagents are necessary [Candida] intermedia

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
56
-
D-xylose isozyme ALR 2, NADPH [Candida] intermedia
61
-
D-xylose isozyme ALR 1, NADPH [Candida] intermedia

Localization

Localization Comment Organism GeneOntology No. Textmining
cytoplasm
-
[Candida] intermedia 5737
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
36000
-
2 * 36000, SDS-PAGE [Candida] intermedia
58000
-
ALR1 und ALR 2, theoretical molar mass 76000 Da [Candida] intermedia

Organism

Organism UniProt Comment Textmining
[Candida] intermedia
-
2 isoenzymes ALR 1 und ALR 2
-

Purification (Commentary)

Purification (Comment) Organism
ALR 1 und ALR 2 [Candida] intermedia
wild type and recombinant from Escherichia coli [Candida] intermedia

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
10.4
-
isozyme ALR 2 [Candida] intermedia
12.1
-
recombinant expressed in Escherichia coli [Candida] intermedia
26.8
-
isozyme ALR 1 [Candida] intermedia

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
alditol + NAD(P)+
-
[Candida] intermedia aldose + NAD(P)H
-
?
aldose + NAD(P)H wide specificity [Candida] intermedia alditol + NAD(P)+
-
?
D-xylose + NAD(P)H
-
[Candida] intermedia xylitol + NAD(P)+
-
r
pentose + NADPH
-
[Candida] intermedia pentitol + NADP+
-
r
xylitol + NAD(P)+
-
[Candida] intermedia D-xylose + NAD(P)H + H+
-
r

Subunits

Subunits Comment Organism
dimer 2 * 36000, SDS-PAGE [Candida] intermedia

Cofactor

Cofactor Comment Organism Structure
NADH ALR 2 [Candida] intermedia
NADPH ALR 1 strictly specific for NADPH [Candida] intermedia