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Information on EC 2.7.11.20 - elongation factor 2 kinase and Organism(s) Mus musculus and UniProt Accession O08796

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IUBMB Comments
Requires Ca2+ and calmodulin for activity. The enzyme can also be phosphorylated by the catalytic subunit of EC 2.7.11.11, cAMP-dependent protein kinase. Elongation factor 2 is phosphorylated in several cell types in response to various growth factors, hormones and other stimuli that raise intracellular Ca2+ [1,2].
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This record set is specific for:
Mus musculus
UNIPROT: O08796
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Word Map
The taxonomic range for the selected organisms is: Mus musculus
The enzyme appears in selected viruses and cellular organisms
Synonyms
eef2k, eef-2k, eif2alpha kinase, eef-2 kinase, eef2 kinase, eukaryotic elongation factor 2 kinase, gcn2 kinase, eukaryotic elongation factor-2 kinase, elongation factor-2 kinase, elongation factor 2 kinase, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
elongation factor 2 kinase
-
elongation factor-2 kinase
-
eukaryotic elongation factor 2 kinase
-
eEF-2 kinase
-
-
EEF-2K
-
-
eEF2 kinase
-
-
eIF2alpha kinase
-
-
eukaryotic elongation factor-2 kinase
-
-
GCN2 eIF2alpha kinase
-
-
GCN2 kinase
-
-
general control nonderepressible 2 kinase
-
-
additional information
-
MHCKs and eEF-2Ks comprise a distinct subgroup within the alpha kinase famiily
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
phospho group transfer
-
-
-
-
SYSTEMATIC NAME
IUBMB Comments
ATP:[elongation factor 2] phosphotransferase
Requires Ca2+ and calmodulin for activity. The enzyme can also be phosphorylated by the catalytic subunit of EC 2.7.11.11, cAMP-dependent protein kinase. Elongation factor 2 is phosphorylated in several cell types in response to various growth factors, hormones and other stimuli that raise intracellular Ca2+ [1,2].
CAS REGISTRY NUMBER
COMMENTARY hide
116283-83-1
-
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
ATP + a protein
ADP + a phosphoprotein
show the reaction diagram
-
-
-
?
ATP + MH-1 peptide
ADP + phosphorylated MH-1 peptide
show the reaction diagram
-
-
-
?
ATP + [elongation factor 2]
ADP + [elongation factor 2] phosphate
show the reaction diagram
ATP + [eukaryotic elongation factor 2]
ADP + [eukaryotic elongation factor 2] phosphate
show the reaction diagram
ATP + [eukaryotic translation elongation factor 2]
ADP + [eukaryotic translation elongation factor 2] phosphate
show the reaction diagram
ATP + [elongation factor 2]
ADP + [elongation factor 2]phosphate
show the reaction diagram
-
-
-
-
?
ATP + [eukaryotic translation elongation factor 2]
ADP + [eukaryotic translation elongation factor 2] phosphate
show the reaction diagram
ATP + [eukaryotic translation initiation factor 2]
ADP + [eukaryotic translation initiation factor 2]phosphate
show the reaction diagram
-
-
-
?
ATP + [MHCK A peptide substrate]
ADP + [MHCK A peptide substrate] phosphate
show the reaction diagram
-
i.e. YAYDTRYRR
-
-
?
additional information
?
-
NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
ATP + [elongation factor 2]
ADP + [elongation factor 2] phosphate
show the reaction diagram
ATP + [eukaryotic elongation factor 2]
ADP + [eukaryotic elongation factor 2] phosphate
show the reaction diagram
ATP + [eukaryotic translation elongation factor 2]
ADP + [eukaryotic translation elongation factor 2] phosphate
show the reaction diagram
the enzyme is involved in eukaryotic elongation factor 2 kinase in ER stress-induced signaling and cell death by inducing stress factors, regulation cascade, overview
-
-
?
ATP + [eukaryotic translation elongation factor 2]
ADP + [eukaryotic translation elongation factor 2] phosphate
show the reaction diagram
ATP + [eukaryotic translation initiation factor 2]
ADP + [eukaryotic translation initiation factor 2]phosphate
show the reaction diagram
-
-
-
?
additional information
?
-
COFACTOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Zn2+
a Zn2+ ion is required for activity
Ca2+
-
required
Mg2+
-
required
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
7-amino-1-cyclopropyl-3-ethyl-1,2,3,4-tetrahydro-2,4-dioxo-pyrido[2,3-d]pyrimidine-6-carboxamide
inhibits eEF2 phosphorylation in cells as well as in vitro
JAN-384
a JAN-384 highly selective eEF2K inhibitor, comparison to inhibition of other protein kinases
-
JAN-452
slight inhibition
-
rottlerin
unspecific inhibition
TX-1123
inhibits eEF2K, but also affects the activity of tyrosine kinases and exhibits mitochondrial toxicity
compound C
-
AMPK inhibitor compound C blocks eEF2K and eEF2 phosphorylation
ethanol
-
decreases phosphorylation of eEF2K, whereas elongation factor 2 phosphorylation increases, but this response is not mediated by eEF2K
lopinavir
-
i.e. LPV, increases the phosphorylation of eEF2 kinase on Ser366 reducing its activity, LPV affects eEF2 activity via an AMPK-eEF2K dependent pathway, overview
rottlerin
-
blocks the effects of stimulators AICAR and FBS
additional information
-
rottlerin suppresses eEF2K, but not eEF2 phosphorylation in myocytes
-
ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
bicuculline
elevation of eEF2K activity with bicuculline, a GABA receptor antagonist
Calmodulin
AICAR
-
increases the levels of eEF2K phosphorylation more than 2fold
Calmodulin
-
required
D-glucose
-
high glucose or high insulin rapidly increase inactivating Ser366 phosphorylation of eEF2 kinase
FBS protein
-
increases the levels of eEF2K phosphorylation more than 2fold
-
Insulin
-
high glucose or high insulin rapidly increase inactivating Ser366 phosphorylation of eEF2 kinase
-
additional information
-
IC50 VALUE [mM]
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.000005
JAN-384
Mus musculus
pH and temperature not specified in the publication
-
0.03
JAN-452
Mus musculus
pH and temperature not specified in the publication
-
SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
additional information
-
-
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
7
-
assay at
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
30
assay at
25
-
assay at
30
-
assay at
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
SOURCE
primary mouse embryonic fibroblasts
Manually annotated by BRENDA team
-
phosphorylated or dephosphorylated enzyme
Manually annotated by BRENDA team
LOCALIZATION
ORGANISM
UNIPROT
COMMENTARY hide
GeneOntology No.
LITERATURE
SOURCE
GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
evolution
eukaryotic elongation factor 2 kinase (eEF2K) is a member of the small group of atypical alpha-kinases, eEF2K is not a member of the main kinase superfamily. alpha-Kinases show no sequence similarity to the main protein kinase superfamily, although they do display limited three-dimensional structural similarity
malfunction
metabolism
the eEF2K protein is degraded via a proteasome-dependent pathway
physiological function
malfunction
physiological function
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
EF2K_MOUSE
724
0
81739
Swiss-Prot
other Location (Reliability: 1)
SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
?
x * 82000, SDS-PAGE
homodimer
x-ray crystallography
POSTTRANSLATIONAL MODIFICATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
phosphoprotein
side-chain modification
eEF2K is subject to hydroxylation on proline 98 catalyzed by proline hydroxylases
phosphoprotein
CRYSTALLIZATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
hanging drop vapor diffusion method, using 0.1 M Bis-Tris (pH 5.5) and 21-28% (w/v) polyethylene glycol 2000
PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
D97A
site-directed mutagenesis
P96A
site-directed mutagenesis
W99A
site-directed mutagenesis
W99L
site-directed mutagenesis
additional information
PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
recombinant GST-tagged wild-type and mutant eEF2K enzymes from Escherichia coli strain Rosetta(DE3)pLysS
Ni-NTA column chromatography and Superdex 75 gel filtration
recombinant GST-tagged enzyme from Escherichia coli strain BL21(DE3) by affinity chromatography
-
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
recombinant overexpression of FLAG-tagged enzyme from pcDNA3.1 vector in HEK-293 cells, recombinant expression of GST-tagged wild-type and mutant eEF2K enzymes in Escherichia coli strain Rosetta(DE3)pLysS
enzyme expression as GST-tagged protein in Escherichia coli strain BL21(DE3)
-
expressed in Escherichia coli Rosetta (DE3) cells
expression in HEK-293 cells
-
EXPRESSION
ORGANISM
UNIPROT
LITERATURE
the expression of the mRNA for EEF2K is probably regulated in multiple ways, e.g. downstream of AMPK, and in some settings by mTORC1 signaling and HIF1
APPLICATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
medicine
the enzyme is a valuable target in treating epilepsy, depression and major neurodegenerative diseases
additional information
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Ryazanov, A.G.; Ward, M.D.; Mendola, C.E.; Pavur, K.S.; Dorovkov, M.V.; Wiedmann, M.; Erdjument-Bromage, H.; Tempst, P.; Parmer, T.G.; Prostko, C.R.; Germino, F.J.; Hait, W.N.
Identification of a new class of protein kinases represented by eukaryotic elongation factor-2 kinase
Proc. Natl. Acad. Sci. USA
94
4884-4889
1997
Caenorhabditis elegans (O01991), Caenorhabditis elegans, Homo sapiens (O00418), Homo sapiens, Mus musculus (O08796), Mus musculus, Rattus norvegicus (P70531)
Manually annotated by BRENDA team
Guo, F.; Cavener, D.R.
The GCN2 eIF2alpha kinase regulates fatty-acid homeostasis in the liver during deprivation of an essential amino acid
Cell Metab.
5
103-114
2007
Mus musculus, Mus musculus C57/BL6J
Manually annotated by BRENDA team
Hong-Brown, L.Q.; Brown, C.R.; Huber, D.S.; Lang, C.H.
Alcohol regulates eukaryotic elongation factor 2 phosphorylation via an AMP-activated protein kinase-dependent mechanism in C2C12 skeletal myocytes
J. Biol. Chem.
282
3702-3712
2007
Mus musculus
Manually annotated by BRENDA team
Sataranatarajan, K.; Mariappan, M.M.; Lee, M.J.; Feliers, D.; Choudhury, G.G.; Barnes, J.L.; Kasinath, B.S.
Regulation of elongation phase of mRNA translation in diabetic nephropathy: amelioration by rapamycin
Am. J. Pathol.
171
1733-1742
2007
Mus musculus
Manually annotated by BRENDA team
Crawley, S.W.; Cote, G.P.
Determinants for substrate phosphorylation by Dictyostelium myosin II heavy chain kinases A and B and eukaryotic elongation factor-2 kinase
Biochim. Biophys. Acta
1784
908-915
2008
Mus musculus
Manually annotated by BRENDA team
Boyce, M.; Py, B.F.; Ryazanov, A.G.; Minden, J.S.; Long, K.; Ma, D.; Yuan, J.
A pharmacoproteomic approach implicates eukaryotic elongation factor 2 kinase in ER stress-induced cell death
Cell Death Differ.
15
589-599
2008
Mus musculus (O08796)
Manually annotated by BRENDA team
Clark, K.; Middelbeek, J.; Dorovkov, M.V.; Figdor, C.G.; Ryazanov, A.G.; Lasonder, E.; van Leeuwen, F.N.
The alpha-kinases TRPM6 and TRPM7, but not eEF-2 kinase, phosphorylate the assembly domain of myosin IIA, IIB and IIC
FEBS Lett.
582
2993-2997
2008
Mus musculus
Manually annotated by BRENDA team
Hong-Brown, L.Q.; Brown, C.R.; Huber, D.S.; Lang, C.H.
Lopinavir impairs protein synthesis and induces eEF2 phosphorylation via the activation of AMP-activated protein kinase
J. Cell. Biochem.
105
814-823
2008
Mus musculus
Manually annotated by BRENDA team
Bunpo, P.; Cundiff, J.K.; Reinert, R.B.; Wek, R.C.; Aldrich, C.J.; Anthony, T.G.
The eIF2 kinase GCN2 is essential for the murine immune system to adapt to amino acid deprivation by asparaginase
J. Nutr.
140
2020-2027
2010
Mus musculus
Manually annotated by BRENDA team
Gentz, S.H.; Bertollo, C.M.; Souza-Fagundes, E.M.; da Silva, A.M.
Implication of eIF2alpha kinase GCN2 in induction of apoptosis and endoplasmic reticulum stress-responsive genes by sodium salicylate
J. Pharm. Pharmacol.
65
430-440
2013
Mus musculus
Manually annotated by BRENDA team
Arriazu, E.; Ruiz de Galarreta, M.; Lopez-Zabalza, M.J.; Leung, T.M.; Nieto, N.; Iraburu, M.J.
GCN2 kinase is a key regulator of fibrogenesis and acute and chronic liver injury induced by carbon tetrachloride in mice
Lab. Invest.
93
303-310
2013
Homo sapiens, Mus musculus
Manually annotated by BRENDA team
He, H.; Singh, I.; Wek, S.; Dey, S.; Baird, T.; Wek, R.; Georgiadis, M.
Crystal structures of GCN2 protein kinase C-terminal domains suggest regulatory differences in yeast and mammals
J. Biol. Chem.
289
15023-15034
2014
Saccharomyces cerevisiae (P15442), Mus musculus (Q9QZ05)
Manually annotated by BRENDA team
Kenney, J.W.; Moore, C.E.; Wang, X.; Proud, C.G.
Eukaryotic elongation factor 2 kinase, an unusual enzyme with multiple roles
Adv. Biol. Regul.
55
15-27
2014
Homo sapiens, Mus musculus (O08796)
Manually annotated by BRENDA team
Liao, Y.; Chu, H.P.; Hu, Z.; Merkin, J.J.; Chen, J.; Liu, Z.; Degenhardt, K.; White, E.; Ryazanov, A.G.
Paradoxical roles of elongation factor-2 kinase in stem cell survival
J. Biol. Chem.
291
19545-19557
2016
Mus musculus (O08796)
Manually annotated by BRENDA team
Kenney, J.W.; Genheden, M.; Moon, K.M.; Wang, X.; Foster, L.J.; Proud, C.G.
Eukaryotic elongation factor 2 kinase regulates thesynthesis of microtubule-related proteins in neurons
J. Neurochem.
136
276-284
2016
Mus musculus (O08796), Mus musculus, Mus musculus C57/BL6J (O08796)
Manually annotated by BRENDA team
Moore, C.E.; Mikolajek, H.; Regufe da Mota, S.; Wang, X.; Kenney, J.W.; Werner, J.M.; Proud, C.G.
Elongation factor 2 kinase is regulated by proline hydroxylation and protects cells during hypoxia
Mol. Cell. Biol.
35
1788-1804
2015
Homo sapiens (O00418), Mus musculus (O08796)
Manually annotated by BRENDA team
Kameshima, S.; Okada, M.; Ikeda, S.; Watanabe, Y.; Yamawaki, H.
Coordination of changes in expression and phosphorylation of eukaryotic elongation factor 2 (eEF2) and eEF2 kinase in hypertrophied cardiomyocytes
Biochem. Biophys. Rep.
7
218-224
2016
Mus musculus (O08796), Rattus norvegicus (P70531)
Manually annotated by BRENDA team
Beretta, S.; Gritti, L.; Verpelli, C.; Sala, C.
Eukaryotic elongation factor 2 kinase a pharmacological target to regulate protein translation dysfunction in neurological diseases
Neuroscience
445
42-49
2020
Mus musculus (O08796)
Manually annotated by BRENDA team