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Literature summary for 1.1.1.9 extracted from

  • Sugiyama, M.; Suzuki, S.; Tonouchi, N.; Yokozeki, K.
    Cloning of the xylitol dehydrogenase gene from Gluconobacter oxydans and improved production of xylitol from D-arabitol (2003), Biosci. Biotechnol. Biochem., 67, 584-591.
    View publication on PubMed

Application

Application Comment Organism
biotechnology strain overexpressing enzyme has improved xylitol productivity, production of up to 57g/l xylitol from 225 g/l D-arabitol, via D-xylulose Gluconobacter oxydans

Cloned(Commentary)

Cloned (Comment) Organism
-
Gluconobacter oxydans

Protein Variants

Protein Variants Comment Organism
additional information strain overexpressing enzyme has improved xylitol productivity, production of up to 57g/l xylitol from 225 g/l D-arabitol, via D-xylulose Gluconobacter oxydans

Inhibitors

Inhibitors Comment Organism Structure
CaCl2 1 mM, 70% inhibition Gluconobacter oxydans
additional information not inhibitory: MgCl2, ZnCl2, CoCl2, CuCl2 at 1 mM, EDTA at 10 mM Gluconobacter oxydans
NiCl2 1 mM, complete inhibition Gluconobacter oxydans

Localization

Localization Comment Organism GeneOntology No. Textmining
cytoplasm
-
Gluconobacter oxydans 5737
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
27000
-
x * 27800, deduced from genen sequence, x * 27000, SDS-PAGE Gluconobacter oxydans
27800
-
x * 27800, deduced from genen sequence, x * 27000, SDS-PAGE Gluconobacter oxydans

Organism

Organism UniProt Comment Textmining
Gluconobacter oxydans
-
strain ATCC 621
-

Purification (Commentary)

Purification (Comment) Organism
-
Gluconobacter oxydans

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
113
-
substrate D-xylitol, pH 10, 30°C Gluconobacter oxydans
220
-
substrate D-sorbitol, pH 10, 30°C Gluconobacter oxydans

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-sorbitol + NAD+
-
Gluconobacter oxydans D-fructose + NADH + H+
-
r
D-xylitol + NAD+
-
Gluconobacter oxydans D-xylulose + NADH + H+
-
r
D-xylulose + NADH + H+
-
Gluconobacter oxydans D-xylitol + NAD+
-
r

Subunits

Subunits Comment Organism
? x * 27800, deduced from genen sequence, x * 27000, SDS-PAGE Gluconobacter oxydans

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
reduction of D-xylulose Gluconobacter oxydans
11
-
oxidation of xylitol Gluconobacter oxydans

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Gluconobacter oxydans
NADH
-
Gluconobacter oxydans