Information on EC 1.1.1.369 - D-chiro-inositol 1-dehydrogenase

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The expected taxonomic range for this enzyme is: Bacteria

EC NUMBER
COMMENTARY hide
1.1.1.369
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RECOMMENDED NAME
GeneOntology No.
D-chiro-inositol 1-dehydrogenase
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REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
1D-chiro-inositol + NAD+ = 2D-2,3,5/4,6-pentahydroxycyclohexanone + NADH + H+
show the reaction diagram
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PATHWAY
BRENDA Link
KEGG Link
MetaCyc Link
myo-, chiro- and scyllo-inositol degradation
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Inositol phosphate metabolism
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Microbial metabolism in diverse environments
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SYSTEMATIC NAME
IUBMB Comments
1D-chiro-inositol:NAD+ 1-oxidoreductase
The enzyme, found in the bacterium Bacillus subtilis, also catalyses the reaction of EC 1.1.1.18, inositol 2-dehydrogenase, and can also use D-glucose and D-xylose. It shows trace activity with D-ribose and D-fructose [1]. It is part of a myo-inositol/D-chiro-inositol degradation pathway leading to acetyl-CoA.
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
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UniProt
Manually annotated by BRENDA team
GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
physiological function
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
1D-chiro-inositol + NAD+
2D-2,3,5/4,6-pentahydroxycyclohexanone + NADH + H+
show the reaction diagram
additional information
?
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NATURAL SUBSTRATES
NATURAL PRODUCTS
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
1D-chiro-inositol + NAD+
2D-2,3,5/4,6-pentahydroxycyclohexanone + NADH + H+
show the reaction diagram
COFACTOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
2.9
1D-chiro-inositol
pH 8.8, 60°C
TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
1
1D-chiro-inositol
pH 8.8, 60°C
kcat/KM VALUE [1/mMs-1]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
345
1D-chiro-inositol
pH 8.8, 60°C
pI VALUE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
4.4
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isoelectric focusing
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
39000
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4 * 39000, SDS-PAGE
155000 - 160000
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sucrose density gradient centrifugation
SUBUNITS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
tetramer
Purification/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
purified as a C-terminal His6 tag fusion protein
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Cloned/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
expression in Escherichia coli as a C-terminal His6 tag fusion protein
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EXPRESSION
ORGANISM
UNIPROT
LITERATURE
enzyme synthesis is induced by myo-inositol
enzyme synthesis is repressed by D-glucose
Show AA Sequence (357 entries)
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