Information on EC 2.4.1.106 - isovitexin beta-glucosyltransferase

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The expected taxonomic range for this enzyme is: Silene latifolia subsp. alba

EC NUMBER
COMMENTARY
2.4.1.106
-
RECOMMENDED NAME
GeneOntology No.
isovitexin beta-glucosyltransferase
REACTION
REACTION DIAGRAM
COMMENTARY
ORGANISM
UNIPROT ACCESSION NO.
LITERATURE
UDP-glucose + isovitexin = UDP + isovitexin 2''-O-beta-D-glucoside
show the reaction diagram
-
-
-
-
REACTION TYPE
ORGANISM
UNIPROT ACCESSION NO.
COMMENTARY
LITERATURE
hexosyl group transfer
-
-
-
-
PATHWAY
KEGG Link
MetaCyc Link
Flavone and flavonol biosynthesis
-
isovitexin and isovitexin glycosides biosynthesis
-
SYSTEMATIC NAME
IUBMB Comments
UDP-glucose:isovitexin 2''-O-beta-D-glucosyltransferase
Isovitexin is a flavonoid from petals of Silene alba.
SYNONYMS
ORGANISM
UNIPROT ACCESSION NO.
COMMENTARY
LITERATURE
glucosyltransferase, uridine diphosphoglucose-isovitexin 2''-
-
-
-
-
uridine diphosphoglucose-isovitexin 2''-glucosyltransferase
-
-
-
-
CAS REGISTRY NUMBER
COMMENTARY
72102-99-9
-
ORGANISM
COMMENTARY
LITERATURE
SEQUENCE CODE
SEQUENCE DB
SOURCE
SUBSTRATE
PRODUCT                      
REACTION DIAGRAM
ORGANISM
UNIPROT ACCESSION NO.
COMMENTARY
(Substrate)
LITERATURE
(Substrate)
COMMENTARY
(Product)
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
UDP-glucose + isoorientin
UDP + isoorientin 2''-O-beta-D-glucoside
show the reaction diagram
-
-
-
?
UDP-glucose + isovitexin
UDP + isovitexin 2''-O-beta-D-glucoside
show the reaction diagram
-
-
-
?
UDP-glucose + isovitexin
UDP + isovitexin 2''-O-beta-D-glucoside
show the reaction diagram
-
ionisation grade of substrates influences their binding to the enzyme
-
?
UDP-glucose + isovitexin
UDP + isovitexin 2''-O-beta-D-glucoside
show the reaction diagram
-
pathway in flavone glycoside metabolism
-
?
NATURAL SUBSTRATES
NATURAL PRODUCTS
REACTION DIAGRAM
ORGANISM
UNIPROT ACCESSION NO.
COMMENTARY
(Substrate)
LITERATURE
(Substrate)
COMMENTARY
(Product)
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
UDP-glucose + isovitexin
UDP + isovitexin 2''-O-beta-D-glucoside
show the reaction diagram
-
pathway in flavone glycoside metabolism
-
?
METALS and IONS
ORGANISM
UNIPROT ACCESSION NO.
COMMENTARY
LITERATURE
INHIBITORS
ORGANISM
UNIPROT ACCESSION NO.
COMMENTARY
LITERATURE
IMAGE
KM VALUE [mM]
KM VALUE [mM] Maximum
SUBSTRATE
ORGANISM
UNIPROT ACCESSION NO.
COMMENTARY
LITERATURE
IMAGE
0.3
-
UDPglucose
-
reaction with isovitexin
0.75
-
UDPglucose
-
reaction with isoorientin
pH OPTIMUM
pH MAXIMUM
ORGANISM
UNIPROT ACCESSION NO.
COMMENTARY
LITERATURE
7.5
-
-
reaction with isoorientin
8.5
-
-
reaction with isovitexin
pH RANGE
pH RANGE MAXIMUM
ORGANISM
UNIPROT ACCESSION NO.
COMMENTARY
LITERATURE
6.5
8.5
-
pH 6.5: about 40% of maximal activity, pH 8.5: about 30% of maximal activity, reaction with isoorientin
7.5
9.5
-
about 50% of maximal activity at pH 7.5 and at pH 9.5, reaction with isovitexin
SOURCE TISSUE
ORGANISM
UNIPROT ACCESSION NO.
COMMENTARY
LITERATURE
SOURCE