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Information on EC 2.7.1.1 - hexokinase

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EC Tree
IUBMB Comments
D-Glucose, D-mannose, D-fructose, sorbitol and D-glucosamine can act as acceptors; ITP and dATP can act as donors. The liver isoenzyme has sometimes been called glucokinase.
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This record set is specific for:
UNIPROT: Q5SLJ4
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Word Map
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria, Archaea
Synonyms
hexokinase, hexokinase ii, hexokinase 2, hexokinase i, hk ii, hxk, liver glucokinase, hexokinase 1, hexokinase-2, hkdc1, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
ATP-D-hexose 6-phosphotransferase
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ATP-dependent hexokinase
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brain form hexokinase
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glucokinase
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glucose ATP phosphotransferase
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hexokinase (phosphorylating)
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hexokinase D
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hexokinase PI
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hexokinase PII
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hexokinase type IV
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hexokinase type IV glucokinase
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hexokinase, tumor isozyme
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HK
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HK4
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HXK
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kinase, hexo- (phosphorylating)
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muscle form hexokinase
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
phospho group transfer
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SYSTEMATIC NAME
IUBMB Comments
ATP:D-hexose 6-phosphotransferase
D-Glucose, D-mannose, D-fructose, sorbitol and D-glucosamine can act as acceptors; ITP and dATP can act as donors. The liver isoenzyme has sometimes been called glucokinase.
CAS REGISTRY NUMBER
COMMENTARY hide
9001-51-8
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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-fructose
ADP + D-fructose 6-phosphate
show the reaction diagram
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-
?
ATP + D-galactose
ADP + D-galactose 6-phosphate
show the reaction diagram
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?
ATP + D-glucose
ADP + D-glucose 6-phosphate
show the reaction diagram
ATP + D-mannose
ADP + D-mannose 6-phosphate
show the reaction diagram
additional information
?
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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
1510
D-fructose
pH 7.0, 50°C
105
D-galactose
pH 7.0, 50°C
0.28
D-glucose
pH 7.0, 50°C
0.37
D-mannose
pH 7.0, 50°C
SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
Q5SLJ4_THET8
Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8)
302
0
31479
TrEMBL
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SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
homotetramer
CRYSTALLIZATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
crystal structure of the enzyme is determined at a resolution of 2.02 A, with Rcryst and Rfree values of 18.1% and 22.6%, respectively
the crystal structure of the enzyme is determined at a resolution of 2.02 A
TEMPERATURE STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Nakamura, T.; Kashima, Y.; Mine, S.; Oku, T.; Uegaki, K.
Characterization and crystal structure of the thermophilic ROK hexokinase from Thermus thermophilus
J. Biosci. Bioeng.
114
150-154
2012
Thermus thermophilus (Q5SLJ4), Thermus thermophilus
Manually annotated by BRENDA team
Nakamura, T.; Kashima, Y.; Mine, S.; Oku, T.; Uegaki, K.
Characterization and crystal structure of the thermophilic ROK hexokinase from Thermus thermophilus
J. Biosci. Bioeng.
114
150-154
2012
Thermus thermophilus (Q5SLJ4), Thermus thermophilus, Thermus thermophilus DSM 579 (Q5SLJ4)
Manually annotated by BRENDA team