Gene description for Eif2ak2
Gene name eukaryotic translation initiation factor 2-alpha kinase 2
Gene symbol Eif2ak2
Other names/aliases 2310047A08Rik
4732414G15Rik
AI467567
AI747578
Pkr
Prkr
Tik
Species Mus musculus
 Database cross references - Eif2ak2
ExoCarta ExoCarta_19106
Vesiclepedia VP_19106
Entrez Gene 19106
UniProt Q03963  
 Eif2ak2 identified in exosomes derived from the following tissue/cell type
Mast cells 17486113    
 Gene ontology annotations for Eif2ak2
Molecular Function
    double-stranded RNA binding GO:0003725 IDA
    double-stranded RNA binding GO:0003725 ISO
    protein kinase activity GO:0004672 IDA
    protein kinase activity GO:0004672 IMP
    protein kinase activity GO:0004672 ISO
    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 IEA
    eukaryotic translation initiation factor 2alpha kinase activity GO:0004694 ISO
    ribosomal protein S6 kinase activity GO:0004711 IEA
    non-membrane spanning protein tyrosine kinase activity GO:0004715 IEA
    protein binding GO:0005515 IPI
    ATP binding GO:0005524 IEA
    kinase activity GO:0016301 ISO
    histone H3S10 kinase activity GO:0035175 IEA
    histone H3Y41 kinase activity GO:0035401 IEA
    histone H3T11 kinase activity GO:0035402 IEA
    histone H3T6 kinase activity GO:0035403 IEA
    histone H2AXS139 kinase activity GO:0035979 IEA
    identical protein binding GO:0042802 IEA
    identical protein binding GO:0042802 ISO
    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 H2AXY142 kinase activity GO:0140801 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
    positive regulation of cytokine production GO:0001819 IMP
    chromatin remodeling GO:0006338 IEA
    translation GO:0006412 IDA
    regulation of translational initiation GO:0006446 IBA
    protein phosphorylation GO:0006468 IDA
    protein phosphorylation GO:0006468 ISO
    response to virus GO:0009615 ISO
    response to virus GO:0009615 ISS
    response to toxic substance GO:0009636 ISO
    negative regulation of translation GO:0017148 IBA
    negative regulation of translation GO:0017148 ISO
    negative regulation of translation GO:0017148 ISS
    endoplasmic reticulum unfolded protein response GO:0030968 IDA
    response to lipopolysaccharide GO:0032496 ISO
    positive regulation of chemokine production GO:0032722 IMP
    positive regulation of stress-activated MAPK cascade GO:0032874 IMP
    response to vitamin E GO:0033197 ISO
    negative regulation of osteoblast proliferation GO:0033689 ISO
    negative regulation of osteoblast proliferation GO:0033689 ISS
    cellular response to amino acid starvation GO:0034198 IEA
    cellular response to amino acid starvation GO:0034198 ISO
    response to interferon-alpha GO:0035455 ISO
    response to interferon-alpha GO:0035455 ISS
    positive regulation of apoptotic process GO:0043065 ISO
    negative regulation of apoptotic process GO:0043066 IGI
    positive regulation of MAPK cascade GO:0043410 ISO
    positive regulation of MAPK cascade GO:0043410 ISS
    negative regulation of viral genome replication GO:0045071 IMP
    negative regulation of viral genome replication GO:0045071 ISO
    protein autophosphorylation GO:0046777 IDA
    protein autophosphorylation GO:0046777 IDA
    protein autophosphorylation GO:0046777 ISO
    positive regulation of NF-kappaB transcription factor activity GO:0051092 ISO
    positive regulation of NF-kappaB transcription factor activity GO:0051092 ISS
    antiviral innate immune response GO:0140374 IEA
    antiviral innate immune response GO:0140374 ISO
    regulation of NLRP3 inflammasome complex assembly GO:1900225 IMP
    positive regulation of non-canonical NF-kappaB signal transduction GO:1901224 IMP
    regulation of hematopoietic progenitor cell differentiation GO:1901532 IMP
    regulation of hematopoietic stem cell proliferation GO:1902033 IMP
    regulation of hematopoietic stem cell differentiation GO:1902036 IMP
Subcellular Localization
    nucleus GO:0005634 IBA
    nucleus GO:0005634 IEA
    cytoplasm GO:0005737 IBA
    cytoplasm GO:0005737 ISO
    cytoplasm GO:0005737 ISO
    cytoplasm GO:0005737 ISS
    cytosol GO:0005829 IEA
    cytosol GO:0005829 ISO
    perinuclear region of cytoplasm GO:0048471 ISO
    perinuclear region of cytoplasm GO:0048471 ISS
 Experiment description of studies that identified Eif2ak2 in exosomes
1
Experiment ID 15
MISEV standards
EM
Biophysical techniques
CD63
Enriched markers
Negative markers
Particle analysis
Identified molecule mrna
Identification method Microarray
PubMed ID 17486113    
Organism Mus musculus
Homo sapiens
Experiment description Exosome-mediated transfer of mRNAs and microRNAs is a novel mechanism of genetic exchange between cells.
Authors Valadi H, Ekstrom K, Bossios A, Sjostrand M, Lee JJ, Lotvall JO
Journal name NCB
Publication year 2007
Sample Mast cells
Sample name MC9
Bone marrow-derived mast cells
HMC-1
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.11-1.21 g/mL
Molecules identified in the study Protein
mRNA
miRNA
Methods used in the study Mass spectrometry [MALDI TOF]
Western blotting
Microarray
miRCURY LNA Array
 Protein-protein interactions for Eif2ak2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Npm1 18148
Affinity Capture-Western Mus musculus
Affinity Capture-Western Mus musculus
2 Ifit3  
Co-fractionation Mus musculus
3 Tmem173  
Proximity Label-MS Mus musculus
4 Oas2  
Co-fractionation Mus musculus
5 Prkrir  
Co-fractionation Mus musculus
6 Helz2  
Co-fractionation Mus musculus
7 Tirap  
Co-fractionation Mus musculus
8 Adar 56417
Co-fractionation Mus musculus
9 Parp14  
Co-fractionation Mus musculus
10 Tlr3  
Co-fractionation Mus musculus
11 Fancd2  
Affinity Capture-MS Mus musculus
12 Zufsp  
Co-fractionation Mus musculus
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