Gene description for EIF4G3
Gene name eukaryotic translation initiation factor 4 gamma, 3
Gene symbol EIF4G3
Other names/aliases eIF-4G 3
eIF4G 3
eIF4GII
Species Homo sapiens
 Database cross references - EIF4G3
ExoCarta ExoCarta_8672
Entrez Gene 8672
HGNC 3298
MIM 603929
UniProt O43432  
 EIF4G3 identified in exosomes derived from the following tissue/cell type
Hepatocellular carcinoma cells 26054723    
Hepatocytes 26054723    
 Gene ontology annotations for EIF4G3
Molecular Function
    translation factor activity, RNA binding GO:0008135 TAS
    translation initiation factor activity GO:0003743 IEA
    poly(A) RNA binding GO:0044822 IDA
    RNA cap binding GO:0000339 TAS
Biological Process
    regulation of translational initiation GO:0006446 TAS
    translational initiation GO:0006413 IEA
    viral process GO:0016032 IEA
    cytokine-mediated signaling pathway GO:0019221 TAS
Subcellular Localization
    cytosol GO:0005829 TAS
    eukaryotic translation initiation factor 4F complex GO:0016281 TAS
 Experiment description of studies that identified EIF4G3 in exosomes
1
Experiment ID 236
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101|Alix|HSC70|GAPDH
EV Cytosolic markers
✘ EV Membrane markers
✔
HSP90B1
EV Negative markers
✔
qNano
EV Particle analysis
Identified molecule mRNA
Identification method RNA Sequencing
PubMed ID 26054723    
Organism Homo sapiens
Experiment description Hepatocellular carcinoma-derived exosomes promote motility of immortalized hepatocyte through transfer of oncogenic proteins and RNAs
Authors He M, Qin H, Poon TC, Sze SC, Ding X, Co NN, Ngai SM, Chan TF, Wong N
Journal name Carcinogenesis
Publication year 2015
Sample Hepatocellular carcinoma cells
Sample name MHCC97L
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
RNA
Methods used in the study Western blotting
Mass spectrometry
RT-PCR
RNA Sequencing
2
Experiment ID 237
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101|Alix|HSC70|GAPDH
EV Cytosolic markers
✘ EV Membrane markers
✔
HSP90B1
EV Negative markers
✔
qNano
EV Particle analysis
Identified molecule mRNA
Identification method RNA Sequencing
PubMed ID 26054723    
Organism Homo sapiens
Experiment description Hepatocellular carcinoma-derived exosomes promote motility of immortalized hepatocyte through transfer of oncogenic proteins and RNAs
Authors He M, Qin H, Poon TC, Sze SC, Ding X, Co NN, Ngai SM, Chan TF, Wong N
Journal name Carcinogenesis
Publication year 2015
Sample Hepatocytes
Sample name MIHA
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
RNA
Methods used in the study Western blotting
Mass spectrometry
RNA Sequencing
 Protein-protein interactions for EIF4G3
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 EIF4E 1977
Affinity Capture-MS Homo sapiens
2 EIF4A2 1974
Affinity Capture-MS Homo sapiens
3 EIF4A1 1973
Affinity Capture-MS Homo sapiens
View the network image/svg+xml
 Pathways in which EIF4G3 is involved
PathwayEvidenceSource
ISG15 antiviral mechanism TAS Reactome





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