Information on EC 2.4.1.24 - 1,4-alpha-glucan 6-alpha-glucosyltransferase

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The expected taxonomic range for this enzyme is: Aspergillus niger

EC NUMBER
COMMENTARY hide
2.4.1.24
-
RECOMMENDED NAME
GeneOntology No.
1,4-alpha-glucan 6-alpha-glucosyltransferase
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
Transfers an alpha-D-glucosyl residue in a (1->4)-alpha-D-glucan to the primary hydroxy group of glucose, free or combined in a (1->4)-alpha-D-glucan
show the reaction diagram
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-
-
-
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
hexosyl group transfer
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-
-
-
SYSTEMATIC NAME
IUBMB Comments
(1->4)-alpha-D-glucan:(1->4)-alpha-D-glucan(D-glucose) 6-alpha-D-glucosyltransferase
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CAS REGISTRY NUMBER
COMMENTARY hide
9030-12-0
-
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
strain R-27
-
-
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-glucose
glucose oligomers
show the reaction diagram
inulin
fructose
show the reaction diagram
-
-
-
r
isomaltose
D-glucose
show the reaction diagram
maltose
D-glucose + isomaltose + panose
show the reaction diagram
maltotriose
D-glucose
show the reaction diagram
panose
D-glucose
show the reaction diagram
-
-
-
r
starch
glucose
show the reaction diagram
-
-
traces of isomaltose
r
sucrose
fructose + glucose
show the reaction diagram
-
-
contains additionally tri- and tetrasaccharides
r
additional information
?
-
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
D-glucose
glucose oligomers
show the reaction diagram
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
4.54
isomaltose
-
-
0.67
maltose
-
-
0.18
maltotriose
-
-
2.84
panose
-
-
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
15
-
assay at
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
SOURCE
-
further purified
Manually annotated by BRENDA team
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
101000
-
gel filtration
109000
-
SDS-PAGE
SUBUNITS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
monomer
POSTTRANSLATIONAL MODIFICATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
glycoprotein
GENERAL STABILITY
ORGANISM
UNIPROT
LITERATURE
sensitive on digestion with subtilisin, 50% inactivation, thermolabile product
-
Purification/COMMENTARY
ORGANISM
UNIPROT
LITERATURE