Information on EC 2.7.1.54 - D-arabinokinase

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The enzyme appears in viruses and cellular organisms

EC NUMBER
COMMENTARY hide
2.7.1.54
-
RECOMMENDED NAME
GeneOntology No.
D-arabinokinase
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
ATP + D-arabinose = ADP + D-arabinose 5-phosphate
show the reaction diagram
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-
-
-
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
phospho group transfer
-
-
-
-
SYSTEMATIC NAME
IUBMB Comments
ATP:D-arabinose 5-phosphotransferase
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CAS REGISTRY NUMBER
COMMENTARY hide
37278-02-7
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ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
ATP + D-arabinose
ADP + D-arabinose 5-phosphate
show the reaction diagram
CTP + D-arabinose
CDP + D-arabinose 5-phosphate
show the reaction diagram
-
51% of activity with ATP
-
-
?
GTP + D-arabinose
GDP + D-arabinose 5-phosphate
show the reaction diagram
ITP + D-arabinose
IDP + D-arabinose 5-phosphate
show the reaction diagram
UTP + D-arabinose
UDP + D-arabinose 5-phosphate
show the reaction diagram
-
64% of activity with ATP
-
-
?
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
ATP + D-arabinose
ADP + D-arabinose 5-phosphate
show the reaction diagram
METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
MnSO4
-
Mn2+ can replace Mg2+
additional information
-
Ca2+ is inactive
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.83
ATP
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pH 8.0, 37C
1.2
D-arabinose
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pH 8.0, 37C
SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
5.5 - 10.5
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40% of maximal activity at pH 5.5, 60% of maximal activity at pH 10.5
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
GENERAL STABILITY
ORGANISM
UNIPROT
LITERATURE
0.1 M (NH4)2SO4 stabilizes during purification
-
STORAGE STABILITY
ORGANISM
UNIPROT
LITERATURE
0C, crude extract, stable for several weeks
-
0C, partially purified enzyme: 46% loss of activity after 1 week, complete loss of activity within 2 weeks
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Purification/COMMENTARY
ORGANISM
UNIPROT
LITERATURE