Information on EC 1.1.3.11 - L-sorbose oxidase

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The expected taxonomic range for this enzyme is: Trametes sanguinea

EC NUMBER
COMMENTARY hide
1.1.3.11
-
RECOMMENDED NAME
GeneOntology No.
L-sorbose oxidase
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
L-sorbose + O2 = 5-dehydro-D-fructose + H2O2
show the reaction diagram
-
-
-
-
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
oxidation
-
-
-
-
redox reaction
-
-
-
-
reduction
-
-
-
-
SYSTEMATIC NAME
IUBMB Comments
L-sorbose:oxygen 5-oxidoreductase
Also acts on D-glucose, D-galactose and D-xylose, but not on D-fructose. 2,6-Dichloroindophenol can act as acceptor.
CAS REGISTRY NUMBER
COMMENTARY hide
37250-81-0
-
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
IFO 4923
-
-
Manually annotated by BRENDA team
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
D-galactose + O2
2-dehydro-D-galactose + H2O2
show the reaction diagram
-
-
-
?
D-glucose + O2
2-dehydro-D-glucose + H2O2
show the reaction diagram
-
-
-
?
D-xylose + O2
?
show the reaction diagram
-
-
-
-
?
L-sorbose + 2,6-dichloroindophenol
5-dehydro-D-fructose + reduced 2,6-dichlorophenolindophenol
show the reaction diagram
-
-
-
-
?
L-sorbose + O2
5-dehydro-D-fructose + H2O2
show the reaction diagram
-
-
-
?
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
L-sorbose + O2
5-dehydro-D-fructose + H2O2
show the reaction diagram
-
-
-
?
INHIBITORS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
Ag+
-
0.1 mM AgNO3 complete inhibition
Cu2+
-
slight
Hg2+
-
0.1 mM HgCl2 complete inhibition
Mn2+
-
slight
Ni2+
-
slight
Pb2+
-
slight
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
1.2 - 1.8
D-glucose
22 - 100
L-sorbose
SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
additional information
-
-
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
5.7 - 6
-
potassium phosphate buffer
pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
5.1 - 7
-
pH 5.1: about 85% of maximal activity, pH 7.0: about 40% of maximal activity
TEMPERATURE STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
45 - 60
-
5 min, stable
75
-
5 min, complete loss of activity
Purification/COMMENTARY
ORGANISM
UNIPROT
LITERATURE