Gene description for G3BP1
Gene name GTPase activating protein (SH3 domain) binding protein 1
Gene symbol G3BP1
Other names/aliases G3BP
HDH-VIII
Species Homo sapiens
 Database cross references - G3BP1
ExoCarta ExoCarta_10146
Entrez Gene 10146
HGNC 30292
MIM 608431
UniProt Q13283  
 G3BP1 identified in exosomes derived from the following tissue/cell type
Endothelial cells 26027894    
Hepatocytes 26054723    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Squamous carcinoma cells 20124223    
 Gene ontology annotations for G3BP1
Molecular Function
    protein binding GO:0005515 IPI
    endonuclease activity GO:0004519 IEA
    ATP-dependent RNA helicase activity GO:0004004 TAS
    ATP binding GO:0005524 IEA
    DNA binding GO:0003677 IEA
    mRNA binding GO:0003729 IEA
    ATP-dependent DNA helicase activity GO:0004003 TAS
    poly(A) RNA binding GO:0044822 IDA
Biological Process
    DNA duplex unwinding GO:0032508 TAS
    metabolic process GO:0008152 TAS
    Ras protein signal transduction GO:0007265 TAS
    transport GO:0006810 IEA
    nucleic acid phosphodiester bond hydrolysis GO:0090305 IEA
    negative regulation of canonical Wnt signaling pathway GO:0090090 IEA
Subcellular Localization
    cytoplasm GO:0005737 IDA
    plasma membrane GO:0005886 IEA
    cytoplasmic stress granule GO:0010494 IEA
    nucleus GO:0005634 IEA
    cytosol GO:0005829 IEA
    focal adhesion GO:0005925 IDA
 Experiment description of studies that identified G3BP1 in exosomes
1
Experiment ID 226
ISEV standards
EM
EV Biophysical techniques
GAPDH
EV Cytosolic markers
CD9|FLOT1
EV Membrane markers
LMNA|H2AFX|ATP5A1|TOMM20
EV Negative markers
EV Particle analysis
Identified molecule mRNA
Identification method Small RNA sequencing (Illumina HiSeq 2000 (Solexa)
PubMed ID 26027894    
Organism Homo sapiens
Experiment description Quantitative and qualitative analysis of small RNAs in human endothelial cells and exosomes provides insights into localized RNA processing, degradation and sorting
Authors Bas W. M. van Balkom, Almut S. Eisele, D. Michiel Pegtel, Sander Bervoets, Marianne C. Verhaar
Journal name Journal of Extracellular Vesicles
Publication year 2015
Sample Endothelial cells
Sample name HMEC-1
Isolation/purification methods Differential ultracentrifugation
Sucrose density gradient
Flotation density 1.10 g/mL
Molecules identified in the study miRNA
Protein
snoRNA
lncRNA
yRNA
snRNA
mRNA
ncRNA
mtRNA
vtRNA
scaRNA
lincRNA
Methods used in the study Small RNA sequencing (Illumina HiSeq 2000 (Solexa)
Western blotting
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
3
Experiment ID 211
ISEV standards
EM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
EpCAM|TFRC
EV Membrane markers
cytochrome c|GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K.
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name IGROV1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
Experiment ID 212
ISEV standards
CEM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
EpCAM|TFRC
EV Membrane markers
Cytochrome C|GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K.
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name OVCAR-3
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
5
Experiment ID 191
ISEV standards
EV Biophysical techniques
Alix
EV Cytosolic markers
CD81|CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20124223    
Organism Homo sapiens
Experiment description Hypoxic tumor cell modulates its microenvironment to enhance angiogenic and metastatic potential by secretion of proteins and exosomes.
Authors Park JE, Tan HS, Datta A, Lai RC, Zhang H, Meng W, Lim SK, Sze SK.
Journal name Mol Cell Proteomics
Publication year 2010
Sample Squamous carcinoma cells
Sample name Squamous carcinoma cell (A431)
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for G3BP1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 USP10  
Affinity Capture-MS Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
2 RASA1 5921
Invitro Homo sapiens
Invivo Homo sapiens
Affinity Capture-MS Homo sapiens
3 VCL 7414
Affinity Capture-MS Homo sapiens
4 PUF60 22827
Affinity Capture-MS Homo sapiens
View the network image/svg+xml
 Pathways in which G3BP1 is involved
No pathways found





Perform bioinformatics analysis of your extracellular vesicle data set using FunRich, a open access standalone tool. NEW UPDATED VERSION OF FunRich available for download (12/09/2016) from here