Gene description for Gnb1
Gene name guanine nucleotide binding protein (G protein), beta 1
Gene symbol Gnb1
Other names/aliases AA409223
C77571
Gnb-1
Species Mus musculus
 Database cross references - Gnb1
ExoCarta ExoCarta_14688
Vesiclepedia VP_14688
Entrez Gene 14688
UniProt P62874  
 Gnb1 identified in sEVs derived from the following tissue/cell type
Basophilic leukemia cells 20424270    
Colon cancer cells 37309723    
Embryonic fibroblasts 18494037    
Fibroblasts 23260141    
Macrophages 23658846    
Macrophages 23658846    
Macrophages 23658846    
Mast cells 17486113    
Mov neuroglial cells 15210972    
T-cell lymphoma cells 37309723    
 Gene ontology annotations for Gnb1
Molecular Function
    GTPase activity GO:0003924 ISO
    signaling receptor complex adaptor activity GO:0030159 IBA
    spectrin binding GO:0030507 ISO
    protein-containing complex binding GO:0044877 ISO
    alkylglycerophosphoethanolamine phosphodiesterase activity GO:0047391 ISO
    GTPase binding GO:0051020 IEA
    GTPase binding GO:0051020 ISO
Biological Process
    G protein-coupled receptor signaling pathway GO:0007186 IBA
    G protein-coupled receptor signaling pathway GO:0007186 IDA
    G protein-coupled receptor signaling pathway GO:0007186 ISO
    G protein-coupled receptor signaling pathway GO:0007186 TAS
    phospholipase C-activating G protein-coupled receptor signaling pathway GO:0007200 IDA
    positive regulation of cytosolic calcium ion concentration GO:0007204 ISO
    phototransduction, visible light GO:0007603 ISO
    cell population proliferation GO:0008283 IDA
    cardiac muscle cell apoptotic process GO:0010659 ISO
    sensory perception of taste GO:0050909 IDA
    retina development in camera-type eye GO:0060041 IMP
    cellular response to hypoxia GO:0071456 ISO
Subcellular Localization
    photoreceptor outer segment GO:0001750 IDA
    photoreceptor inner segment GO:0001917 ISO
    cytoplasm GO:0005737 IBA
    heterotrimeric G-protein complex GO:0005834 IBA
    heterotrimeric G-protein complex GO:0005834 IPI
    heterotrimeric G-protein complex GO:0005834 ISO
    plasma membrane GO:0005886 TAS
    dendrite GO:0030425 ISO
    photoreceptor outer segment membrane GO:0042622 ISO
    myelin sheath GO:0043209 HDA
    cell body GO:0044297 ISO
    synapse GO:0045202 EXP
    synapse GO:0045202 IDA
 Experiment description of studies that identified Gnb1 in sEVs
1
Experiment ID 89
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
DLS
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20424270    
Organism Rattus norvegicus
Experiment description Exosomes account for vesicle-mediated transcellular transport of activatable phospholipases and prostaglandins.
Authors "Subra C, Grand D, Laulagnier K, Stella A, Lambeau G, Paillasse M, De Medina P, Monsarrat B, Perret B, Silvente-Poirot S, Poirot M, Record M."
Journal name JLR
Publication year 2010
Sample Basophilic leukemia cells
Sample name RBL-2H3
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Lipids
Methods used in the study Western blotting
Gas chromatography
Thin layer chromatography
Mass spectrometry [Qstar XL]
FACS
2
Experiment ID 907
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample Colon cancer cells
Sample name C26
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
3
Experiment ID 73
MISEV standards
EM
Biophysical techniques
HSP70|HSP90
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 18494037    
Organism Mus musculus
Experiment description Difference gel electrophoresis analysis of Ras-transformed fibroblast cell-derived exosomes.
Authors "Ji H, Erfani N, Tauro BJ, Kapp EA, Zhu HJ, Moritz RL, Lim JW, Simpson RJ"
Journal name ELEC
Publication year 2008
Sample Embryonic fibroblasts
Sample name NIH3T3
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LCQ DECA]
Western blotting
4
Experiment ID 210
MISEV standards
EM
Biophysical techniques
CD81|FLOT1
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23260141    
Organism Mus musculus
Experiment description Exosomes Mediate Stromal Mobilization of Autocrine Wnt-PCP Signaling in Breast Cancer Cell Migration.
Authors "Luga V, Zhang L, Viloria-Petit AM, Ogunjimi AA, Inanlou MR, Chiu E, Buchanan M, Hosein AN, Basik M, Wrana JL."
Journal name Cell
Publication year 2012
Sample Fibroblasts
Sample name Normal-Fibroblasts (L cells)
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
5
Experiment ID 214
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name Leishmania-infected-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
6
Experiment ID 215
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name LPS-treated-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
7
Experiment ID 216
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name Normal-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
8
Experiment ID 15
MISEV standards
EM
Biophysical techniques
CD63
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
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
9
Experiment ID 39
MISEV standards
IEM
Biophysical techniques
TSG101|HSC70|FLOT1
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 15210972    
Organism Mus musculus
Experiment description Cells release prions in association with exosomes.
Authors "Fevrier B, Vilette D, Archer F, Loew D, Faigle W, Vidal M, Laude H, Raposo G"
Journal name PNAS
Publication year 2004
Sample Mov neuroglial cells
Sample name Mov neuroglial cell
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.14 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [QSTAR]
Western blotting
Immunoelectron Microscopy
10
Experiment ID 908
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample T-cell lymphoma cells
Sample name EL4
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
 Protein-protein interactions for Gnb1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Rasd1  
Two-hybrid Mus musculus
2 Ubc  
Reconstituted Complex Mus musculus
3 SNCA 6622
Affinity Capture-MS Homo sapiens
4 Cnksr2  
Affinity Capture-MS Mus musculus
5 CCT8 10694
Affinity Capture-MS Homo sapiens
6 CCT3 7203
Affinity Capture-MS Homo sapiens
7 Prnp 19122
Affinity Capture-MS Mus musculus
8 Aph1b  
Affinity Capture-MS Mus musculus
9 Pou5f1  
Affinity Capture-MS Mus musculus
10 Spag1  
Co-fractionation Mus musculus
11 CCT2 10576
Affinity Capture-MS Homo sapiens
12 Dlgap1  
Affinity Capture-MS Mus musculus
Affinity Capture-MS Mus musculus
13 PDCL 5082
Affinity Capture-MS Homo sapiens
14 CCT6A 908
Affinity Capture-MS Homo sapiens
15 Syngap1  
Affinity Capture-MS Mus musculus
16 TCP1 6950
Affinity Capture-MS Homo sapiens
17 Kctd13  
Affinity Capture-MS Mus musculus
18 PFDN1 5201
Affinity Capture-MS Homo sapiens
19 Dlg4  
Affinity Capture-MS Mus musculus
Affinity Capture-MS Mus musculus
20 Shank3  
Affinity Capture-MS Mus musculus
Affinity Capture-MS Mus musculus
21 CCT4 10575
Affinity Capture-MS Homo sapiens
22 ADCY5  
Reconstituted Complex Homo sapiens
Two-hybrid Homo sapiens
23 CCT7 10574
Affinity Capture-MS Homo sapiens
24 CCT5 22948
Affinity Capture-MS Homo sapiens
25 GNG2  
Affinity Capture-Western Bos taurus
26 GNG12 55970
Affinity Capture-MS Homo sapiens
27 Gng12 14701
Co-fractionation Mus musculus
28 MAPT  
Reconstituted Complex Homo sapiens
29 Cav3  
Co-fractionation Mus musculus
30 Ric8b  
Reconstituted Complex Mus musculus
31 Dync1i1  
Affinity Capture-Western Mus musculus
32 Aph1a 226548
Affinity Capture-MS Mus musculus
33 Gnb2l1 14694
Affinity Capture-Western Mus musculus
34 ADCY6 112
Two-hybrid Homo sapiens
35 Zbtb7b  
Affinity Capture-MS Mus musculus
36 Vamp2  
Affinity Capture-MS Mus musculus
37 Sstr3  
Proximity Label-MS Mus musculus
38 Agap2  
Affinity Capture-MS Mus musculus
39 HSPD1 3329
Affinity Capture-MS Homo sapiens
40 Atg16l1  
Affinity Capture-MS Mus musculus
41 Fancd2  
Affinity Capture-MS Mus musculus
View the network image/svg+xml
 Pathways in which Gnb1 is involved
PathwayEvidenceSource
Activation of G protein gated Potassium channels IEA Reactome
Activation of GABAB receptors IEA Reactome
Activation of kainate receptors upon glutamate binding IEA Reactome
Activation of the phototransduction cascade IEA Reactome
ADP signalling through P2Y purinoceptor 1 IEA Reactome
ADP signalling through P2Y purinoceptor 12 IEA Reactome
Adrenaline,noradrenaline inhibits insulin secretion IEA Reactome
Aquaporin-mediated transport IEA Reactome
Beta-catenin independent WNT signaling IEA Reactome
Ca2+ pathway IEA Reactome
Cellular responses to mechanical stimuli IEA Reactome
Cellular responses to stimuli IEA Reactome
Chaperonin-mediated protein folding IEA Reactome
Class B/2 (Secretin family receptors) IEA Reactome
Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding IEA Reactome
ESR-mediated signaling IEA Reactome
Extra-nuclear estrogen signaling IEA Reactome
G alpha (12/13) signalling events IEA Reactome
G alpha (i) signalling events IEA Reactome
G alpha (q) signalling events IEA Reactome
G alpha (s) signalling events IEA Reactome
G alpha (z) signalling events IEA Reactome
G beta:gamma signalling through BTK IEA Reactome
G beta:gamma signalling through CDC42 IEA Reactome
G beta:gamma signalling through PI3Kgamma IEA Reactome
G beta:gamma signalling through PLC beta IEA Reactome
G protein gated Potassium channels IEA Reactome
G-protein activation IEA Reactome
G-protein beta:gamma signalling IEA Reactome
GABA B receptor activation IEA Reactome
GABA receptor activation IEA Reactome
Glucagon-like Peptide-1 (GLP1) regulates insulin secretion IEA Reactome
Glucagon-type ligand receptors IEA Reactome
GPCR downstream signalling IEA Reactome
GPCR ligand binding IEA Reactome
GPER1 signaling IEA Reactome
Hemostasis IEA Reactome
High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells IEA Reactome
Incretin synthesis, secretion, and inactivation IEA Reactome
Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits IEA Reactome
Integration of energy metabolism IEA Reactome
Inwardly rectifying K+ channels IEA Reactome
Metabolism IEA Reactome
Metabolism of proteins IEA Reactome
Neuronal System IEA Reactome
Neurotransmitter receptors and postsynaptic signal transmission IEA Reactome
Olfactory Signaling Pathway IEA Reactome
Opioid Signalling IEA Reactome
Peptide hormone metabolism IEA Reactome
Platelet activation, signaling and aggregation IEA Reactome
Platelet homeostasis IEA Reactome
Potassium Channels IEA Reactome
Presynaptic function of Kainate receptors IEA Reactome
Prostacyclin signalling through prostacyclin receptor IEA Reactome
Protein folding IEA Reactome
Regulation of insulin secretion IEA Reactome
Response of endothelial cells to shear stress IEA Reactome
Sensory Perception IEA Reactome
Sensory perception of sweet, bitter, and umami (glutamate) taste IEA Reactome
Sensory perception of taste IEA Reactome
Signal amplification IEA Reactome
Signal Transduction IEA Reactome
Signaling by GPCR IEA Reactome
Signaling by Nuclear Receptors IEA Reactome
Signaling by WNT IEA Reactome
Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) IEA Reactome
The phototransduction cascade IEA Reactome
Thrombin signalling through proteinase activated receptors (PARs) IEA Reactome
Thromboxane signalling through TP receptor IEA Reactome
Transmission across Chemical Synapses IEA Reactome
Transport of small molecules IEA Reactome
Vasopressin regulates renal water homeostasis via Aquaporins IEA Reactome
Visual phototransduction IEA Reactome





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