Gene description for RAC3
Gene name ras-related C3 botulinum toxin substrate 3 (rho family, small GTP binding protein Rac3)
Gene symbol RAC3
Other names/aliases -
Species Homo sapiens
 Database cross references - RAC3
ExoCarta ExoCarta_5881
Vesiclepedia VP_5881
Entrez Gene 5881
HGNC 9803
MIM 602050
UniProt P60763  
 RAC3 identified in exosomes derived from the following tissue/cell type
Colorectal cancer cells 19837982    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Mesenchymal stem cells 36408942    
Neuroblastoma cells 25944692    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Platelets 25332113    
Platelets 25332113    
Platelets 25332113    
Urine 21595033    
Urine 21595033    
Urine 21595033    
 Gene ontology annotations for RAC3
Molecular Function
    GTPase activity GO:0003924 IBA
    GTPase activity GO:0003924 IDA
    G protein activity GO:0003925 IEA
    protein binding GO:0005515 IPI
    GTP binding GO:0005525 IBA
    protein kinase binding GO:0019901 IBA
    calcium-dependent protein binding GO:0048306 IPI
    membrane scission GTPase motor activity GO:1990606 IEA
Biological Process
    actin filament organization GO:0007015 IBA
    establishment or maintenance of cell polarity GO:0007163 IBA
    motor neuron axon guidance GO:0008045 IBA
    regulation of cell shape GO:0008360 IBA
    regulation of neuron maturation GO:0014041 IEA
    Wnt signaling pathway GO:0016055 IMP
    Rac protein signal transduction GO:0016601 IBA
    cerebral cortex GABAergic interneuron development GO:0021894 IEA
    cell projection assembly GO:0030031 IBA
    cell projection assembly GO:0030031 IDA
    actin cytoskeleton organization GO:0030036 IDA
    cortical cytoskeleton organization GO:0030865 IBA
    regulation of actin cytoskeleton organization GO:0032956 IBA
    positive regulation of cell adhesion mediated by integrin GO:0033630 IDA
    intracellular signal transduction GO:0035556 TAS
    respiratory burst GO:0045730 NAS
    homeostasis of number of cells within a tissue GO:0048873 IEA
    neuromuscular process controlling balance GO:0050885 IEA
    synaptic transmission, GABAergic GO:0051932 IEA
    cell chemotaxis GO:0060326 IBA
    postsynaptic actin cytoskeleton organization GO:0098974 IDA
    postsynaptic actin cytoskeleton organization GO:0098974 IMP
    regulation of postsynapse assembly GO:0150052 IEA
    positive regulation of substrate adhesion-dependent cell spreading GO:1900026 IDA
    regulation of neutrophil migration GO:1902622 IBA
Subcellular Localization
    endoplasmic reticulum membrane GO:0005789 TAS
    cytosol GO:0005829 TAS
    cytoskeleton GO:0005856 IBA
    plasma membrane GO:0005886 IBA
    plasma membrane GO:0005886 NAS
    plasma membrane GO:0005886 TAS
    endomembrane system GO:0012505 IDA
    lamellipodium GO:0030027 IEA
    growth cone GO:0030426 IDA
    cytoplasmic vesicle GO:0031410 IBA
    filamentous actin GO:0031941 IDA
    neuron projection GO:0043005 IBA
    neuron projection GO:0043005 IDA
    NADPH oxidase complex GO:0043020 NAS
    neuronal cell body GO:0043025 IDA
    perinuclear region of cytoplasm GO:0048471 IDA
    extracellular exosome GO:0070062 HDA
    cell periphery GO:0071944 IDA
    postsynapse GO:0098794 IEA
    glutamatergic synapse GO:0098978 IDA
    glutamatergic synapse GO:0098978 IMP
 Experiment description of studies that identified RAC3 in exosomes
1
Experiment ID 21
MISEV standards
✔
EM|IEM
Biophysical techniques
✔
Alix|TSG101|HSP70|CD63
Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method
Mass spectrometry   
PubMed ID 19837982    
Organism Homo sapiens
Experiment description Proteomic and bioinformatic analysis of immunoaffinity-purified exosomes derived from the human colon tumor cell line LIM1215.
Authors "Suresh Mathivanan, Justin W.E. Lim, Bow J. Tauro, Hong Ji, Robert L. Moritz and Richard J. Simpson"
Journal name MCP
Publication year 2009
Sample Colorectal cancer cells
Sample name LIM1215
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.10-1.12 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [Orbitrap]
Western blotting
2
Experiment ID 207
MISEV standards
✔
EM
Biophysical techniques
✔
TSG101|HSP70|FLOT1
Enriched markers
✔
VDAC
Negative markers
✔
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors "Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ."
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name DKO-1
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 208
MISEV standards
✔
EM
Biophysical techniques
✔
TSG101|HSP70|FLOT1
Enriched markers
✔
VDAC
Negative markers
✔
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors "Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ."
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name Dks-8
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
Experiment ID 209
MISEV standards
✘ Biophysical techniques
✔
TSG101|HSP70|FLOT1
Enriched markers
✔
VDAC
Negative markers
✔
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors "Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ."
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name DLD-1
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
5
Experiment ID 488
MISEV standards
✔
EM
Biophysical techniques
✔
CD9|CD81|CD63|GAPDH|SDCBP|LAMP1|TFRC|UCHL1|FLOT2|LAMP2|FLOT1|ICAM1|RAB5B|CD151|RAB35|TSG101|RAB5A|CD82
Enriched markers
✔
CANX
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Homo sapiens
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Mesenchymal stem cells
Sample name UCMSC
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
6
Experiment ID 224
MISEV standards
✔
EM|AFM
Biophysical techniques
✔
Alix|TSG101|CD63|CD81
Enriched markers
✔
GOLGA2
Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25944692    
Organism Homo sapiens
Experiment description Proteogenomic analysis reveals exosomes are more oncogenic than ectosomes
Authors "Keerthikumar S, Gangoda L, Liem M, Fonseka P, Atukorala I, Ozcitti C, Mechler A, Adda CG, Ang CS, Mathivanan S"
Journal name Oncotarget
Publication year 2015
Sample Neuroblastoma cells
Sample name SH-SY5Y
Isolation/purification methods Differential centrifugation
Ultracentrifugation
OptiPrep density gradient
Flotation density 1.10 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
7
Experiment ID 211
MISEV standards
✔
EM
Biophysical techniques
✔
TSG101|Alix|EpCAM|TFRC
Enriched markers
✔
cytochrome c|GOLGA2
Negative markers
✘ 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
8
Experiment ID 212
MISEV standards
✔
CEM
Biophysical techniques
✔
TSG101|Alix|EpCAM|TFRC
Enriched markers
✔
Cytochrome C|GOLGA2
Negative markers
✘ 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
9
Experiment ID 231
MISEV standards
✘ Biophysical techniques
✔
Alix|CD63|CD9
Enriched markers
✘ Negative markers
✔
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors "Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G."
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 1
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Western blotting
Mass spectrometry
10
Experiment ID 232
MISEV standards
✘ Biophysical techniques
✘ Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors "Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G."
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
11
Experiment ID 233
MISEV standards
✘ Biophysical techniques
✘ Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors "Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G."
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 3
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
12
Experiment ID 193
MISEV standards
✔
EM
Biophysical techniques
✔
CD63|CD9
Enriched markers
✔
PHB
Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 21595033    
Organism Homo sapiens
Experiment description Proteomic analysis of urinary exosomes from patients of early IgA nephropathy and thin basement membrane nephropathy.
Authors "Moon PG, Lee JE, You S, Kim TK, Cho JH, Kim IS, Kwon TH, Kim CD, Park SH, Hwang D, Kim YL, Baek MC."
Journal name Proteomics
Publication year 2011
Sample Urine
Sample name Urine - Normal
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
13
Experiment ID 194
MISEV standards
✘ Biophysical techniques
✘ Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 21595033    
Organism Homo sapiens
Experiment description Proteomic analysis of urinary exosomes from patients of early IgA nephropathy and thin basement membrane nephropathy.
Authors "Moon PG, Lee JE, You S, Kim TK, Cho JH, Kim IS, Kwon TH, Kim CD, Park SH, Hwang D, Kim YL, Baek MC."
Journal name Proteomics
Publication year 2011
Sample Urine
Sample name Urine - Patients of basement membrane nephropathy
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
14
Experiment ID 195
MISEV standards
✘ Biophysical techniques
✘ Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 21595033    
Organism Homo sapiens
Experiment description Proteomic analysis of urinary exosomes from patients of early IgA nephropathy and thin basement membrane nephropathy.
Authors "Moon PG, Lee JE, You S, Kim TK, Cho JH, Kim IS, Kwon TH, Kim CD, Park SH, Hwang D, Kim YL, Baek MC."
Journal name Proteomics
Publication year 2011
Sample Urine
Sample name Urine - Patients of early IgA nephropathy
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for RAC3
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 LY86  
Affinity Capture-MS Homo sapiens
2 CALML3 810
Affinity Capture-MS Homo sapiens
3 GPM6A 2823
Affinity Capture-MS Homo sapiens
4 PLEKHA4 57664
Affinity Capture-MS Homo sapiens
5 RAP1GDS1 5910
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
6 SCYL3 57147
Affinity Capture-MS Homo sapiens
7 TM4SF5  
Affinity Capture-MS Homo sapiens
8 RHOC 389
Co-fractionation Homo sapiens
9 ARHGDIA 396
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
10 IQGAP3 128239
Affinity Capture-MS Homo sapiens
11 FBXL19  
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
12 PARK2  
Affinity Capture-MS Homo sapiens
13 ARFIP2 23647
Two-hybrid Homo sapiens
14 ARHGDIB 397
Two-hybrid Homo sapiens
15 MYC  
Affinity Capture-MS Homo sapiens
16 VCP 7415
Affinity Capture-MS Homo sapiens
17 ESR1  
Affinity Capture-Western Homo sapiens
Two-hybrid Homo sapiens
18 RPL35A 6165
Affinity Capture-MS Homo sapiens
19 TGFA  
Affinity Capture-MS Homo sapiens
20 DUSP9  
Affinity Capture-MS Homo sapiens
21 CIB1 10519
Affinity Capture-Western Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
22 IQGAP1 8826
Affinity Capture-MS Homo sapiens
23 UBTF 7343
Affinity Capture-MS Homo sapiens
24 RAC1 5879
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Cross-Linking-MS (XL-MS) Homo sapiens
25 ARHGAP35 2909
Affinity Capture-MS Homo sapiens
26 RAC2 5880
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
27 SLC9A6 10479
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
28 PLAC9 219348
Affinity Capture-MS Homo sapiens
29 IQGAP2 10788
Affinity Capture-MS Homo sapiens
30 ZSWIM7  
Affinity Capture-MS Homo sapiens
31 SLC7A1 6541
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
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