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Literature summary for 1.1.5.B1 extracted from

  • Hoelscher, T.; Weinert-Sepalage, D.; Goerisch, H.
    Identification of membrane-bound quinoprotein inositol dehydrogenase in Gluconobacter oxydans ATCC 621H (2007), Microbiology, 153, 499-506.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
additional information myo-inositol induces the enzyme maximally at 33 mM, but is slightly suppressing at higher concentrations, allo-inositol, muco-inositol, and D-sorbitol also induces the enzyme, D-mannitol suppresses enzyme induction by myo-inositol, overview Gluconobacter oxydans

Cloned(Commentary)

Cloned (Comment) Organism
gene GOX1857, DNA and amino acid sequence determination and analysis, expression of wild-type and mutant enzymes in Escherichia coli Gluconobacter oxydans

Protein Variants

Protein Variants Comment Organism
additional information construction of a GOX1857 disruption mutant strain DW1, which is inactive with myo-inositol and unable to grow with myo-inositol as the sole energy source Gluconobacter oxydans

Inhibitors

Inhibitors Comment Organism Structure
additional information D-glucose suppresses the enzyme, D-mannitol suppresses enzyme induction by myo-inositol, overview Gluconobacter oxydans

Localization

Localization Comment Organism GeneOntology No. Textmining
membrane bound Gluconobacter oxydans 16020
-

Organism

Organism UniProt Comment Textmining
Gluconobacter oxydans
-
strain ATCC 621H, DSM 2343, gene GOX1857
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.09
-
D-sorbitol induced wild-type strain, crude extract Gluconobacter oxydans
0.6
-
membrane fraction of induced wild-type cells Gluconobacter oxydans

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
allo-inositol + 2,6-dichlorophenol indophenol i.e. 1,2,3,4/5,6-cyclohexanehexol Gluconobacter oxydans ?
-
?
D-sorbitol + 2,6-dichlorophenol indophenol
-
Gluconobacter oxydans ?
-
?
additional information substrate specificity, overview Gluconobacter oxydans ?
-
?
muco-inositol + 2,6-dichlorophenol indophenol i.e. 1,2,4,5/3,6-cyclohexanehexol Gluconobacter oxydans ?
-
?
myo-inositol + 2,6-dichlorophenol indophenol
-
Gluconobacter oxydans ?
-
?

Synonyms

Synonyms Comment Organism
membrane-bound quinoprotein inositol dehydrogenase
-
Gluconobacter oxydans
QIDH
-
Gluconobacter oxydans

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Gluconobacter oxydans

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.7 8.8
-
Gluconobacter oxydans

Cofactor

Cofactor Comment Organism Structure
pyrroloquinoline quinone dependent on Gluconobacter oxydans