Gene description for Eif2ak1
Gene name eukaryotic translation initiation factor 2 alpha kinase 1
Gene symbol Eif2ak1
Other names/aliases Hri
Species Rattus norvegicus
 Database cross references - Eif2ak1
ExoCarta ExoCarta_27137
Vesiclepedia VP_27137
Entrez Gene 27137
UniProt Q63185  
 Eif2ak1 identified in sEVs derived from the following tissue/cell type
Reticulocytes 21828046    
Reticulocytes 21828046    
 Gene ontology annotations for Eif2ak1
Molecular Function
    protein kinase activity GO:0004672 ISO
    protein serine/threonine kinase activity GO:0004674 IEA
    3-phosphoinositide-dependent protein kinase activity GO:0004676 IEA
    DNA-dependent protein kinase activity GO:0004677 IEA
    AMP-activated protein kinase activity GO:0004679 IEA
    eukaryotic translation initiation factor 2alpha kinase activity GO:0004694 IBA
    eukaryotic translation initiation factor 2alpha kinase activity GO:0004694 IDA
    eukaryotic translation initiation factor 2alpha kinase activity GO:0004694 IEA
    eukaryotic translation initiation factor 2alpha kinase activity GO:0004694 ISO
    eukaryotic translation initiation factor 2alpha kinase activity GO:0004694 ISS
    ribosomal protein S6 kinase activity GO:0004711 IEA
    ATP binding GO:0005524 IEA
    heme binding GO:0020037 IEA
    heme binding GO:0020037 ISO
    heme binding GO:0020037 ISS
    histone H3S10 kinase activity GO:0035175 IEA
    histone H3T11 kinase activity GO:0035402 IEA
    histone H3T6 kinase activity GO:0035403 IEA
    histone H2AXS139 kinase activity GO:0035979 IEA
    protein homodimerization activity GO:0042803 IEA
    protein homodimerization activity GO:0042803 ISO
    protein homodimerization activity GO:0042803 ISS
    histone H3S28 kinase activity GO:0044022 IEA
    histone H4S1 kinase activity GO:0044023 IEA
    histone H2AS1 kinase activity GO:0044024 IEA
    histone H2BS14 kinase activity GO:0044025 IEA
    histone H3T3 kinase activity GO:0072354 IEA
    histone H2AS121 kinase activity GO:0072371 IEA
    Rho-dependent protein serine/threonine kinase activity GO:0072518 IEA
    protein serine kinase activity GO:0106310 IEA
    histone H2BS36 kinase activity GO:0140823 IEA
    histone H3S57 kinase activity GO:0140855 IEA
    histone H3T45 kinase activity GO:0140857 IEA
    histone H2AT120 kinase activity GO:1990244 IEA
Biological Process
    acute inflammatory response GO:0002526 IEA
    acute inflammatory response GO:0002526 ISO
    chromatin remodeling GO:0006338 IEA
    regulation of translation GO:0006417 IEA
    regulation of translation GO:0006417 ISO
    regulation of translational initiation GO:0006446 IBA
    phagocytosis GO:0006909 IEA
    phagocytosis GO:0006909 ISO
    response to stress GO:0006950 IEA
    negative regulation of cell population proliferation GO:0008285 IEA
    negative regulation of cell population proliferation GO:0008285 ISO
    negative regulation of cell population proliferation GO:0008285 ISS
    regulation of eIF2 alpha phosphorylation by heme GO:0010999 ISO
    negative regulation of translation GO:0017148 IEA
    regulation of metabolic process GO:0019222 IEA
    macrophage differentiation GO:0030225 IEA
    macrophage differentiation GO:0030225 ISO
    protoporphyrinogen IX metabolic process GO:0046501 IEA
    protoporphyrinogen IX metabolic process GO:0046501 ISO
    protein autophosphorylation GO:0046777 ISO
    protein autophosphorylation GO:0046777 ISS
    regulation of hemoglobin biosynthetic process GO:0046984 ISO
    negative regulation of hemoglobin biosynthetic process GO:0046986 IEA
    negative regulation of hemoglobin biosynthetic process GO:0046986 ISO
    negative regulation of hemoglobin biosynthetic process GO:0046986 ISS
    establishment of localization in cell GO:0051649 IEA
    establishment of localization in cell GO:0051649 ISO
    multicellular organismal-level iron ion homeostasis GO:0060586 IEA
    multicellular organismal-level iron ion homeostasis GO:0060586 ISO
    protein localization to mitochondrion GO:0070585 IEA
    protein localization to mitochondrion GO:0070585 ISO
    integrated stress response signaling GO:0140467 ISO
    integrated stress response signaling GO:0140467 ISS
    HRI-mediated signaling GO:0140468 IEA
    HRI-mediated signaling GO:0140468 ISO
    HRI-mediated signaling GO:0140468 ISS
    positive regulation of mitophagy GO:1901526 IEA
    positive regulation of mitophagy GO:1901526 ISO
    positive regulation of mitophagy GO:1901526 ISS
    response to iron ion starvation GO:1990641 IEA
    response to iron ion starvation GO:1990641 ISO
    response to iron ion starvation GO:1990641 ISS
Subcellular Localization
    nucleus GO:0005634 IBA
    cytoplasm GO:0005737 IBA
    cytoplasm GO:0005737 ISO
    cytoplasm GO:0005737 ISS
    cytosol GO:0005829 IEA
    cytosol GO:0005829 ISO
 Experiment description of studies that identified Eif2ak1 in sEVs
1
Experiment ID 95
MISEV standards
EM
Biophysical techniques
TSG101|HSP90|HSC70|MHCI
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E."
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D7 Rep 1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.25 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
2
Experiment ID 98
MISEV standards
EM
Biophysical techniques
TSG101|HSP90|HSC70|MHCI
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E."
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D7 Rep 2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.25 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
 Protein-protein interactions for Eif2ak1
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.



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