Gene description for Atp6v1b2
Gene name ATPase, H+ transporting, lysosomal V1 subunit B2
Gene symbol Atp6v1b2
Other names/aliases AI194269
AI790362
Atp6b2
HO57
R74844
Species Mus musculus
 Database cross references - Atp6v1b2
ExoCarta ExoCarta_11966
Vesiclepedia VP_11966
Entrez Gene 11966
UniProt P62814  
 Atp6v1b2 identified in sEVs derived from the following tissue/cell type
Colon cancer cells 37309723    
Fibroblasts 23260141    
Macrophages 23658846    
Macrophages 23658846    
Macrophages 23658846    
Pancreatic cells 19351151    
T-cell lymphoma cells 37309723    
 Gene ontology annotations for Atp6v1b2
Molecular Function
    ATP binding GO:0005524 IEA
    proton-transporting ATPase activity, rotational mechanism GO:0046961 IBA
    proton-transporting ATPase activity, rotational mechanism GO:0046961 IEA
Biological Process
    vacuolar acidification GO:0007035 IBA
    ATP metabolic process GO:0046034 IEA
    synaptic vesicle lumen acidification GO:0097401 EXP
    synaptic vesicle lumen acidification GO:0097401 IDA
    synaptic vesicle lumen acidification GO:0097401 IMP
Subcellular Localization
    vacuolar proton-transporting V-type ATPase, V1 domain GO:0000221 ISO
    vacuolar proton-transporting V-type ATPase, V1 domain GO:0000221 ISS
    ruffle GO:0001726 IDA
    cytoplasm GO:0005737 IDA
    cytosol GO:0005829 IDA
    plasma membrane GO:0005886 IDA
    microvillus GO:0005902 IDA
    apical plasma membrane GO:0016324 IDA
    apical plasma membrane GO:0016324 ISO
    clathrin-coated vesicle membrane GO:0030665 IEA
    melanosome GO:0042470 IEA
    myelin sheath GO:0043209 HDA
    intracellular membrane-bounded organelle GO:0043231 ISO
    extrinsic component of synaptic vesicle membrane GO:0098850 IEA
    extrinsic component of synaptic vesicle membrane GO:0098850 ISO
 Experiment description of studies that identified Atp6v1b2 in sEVs
1
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
2
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
3
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
4
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
5
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
6
Experiment ID 188
MISEV standards
✔
EM
Biophysical techniques
✔
GAPDH|UCHL1|HSP90
Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19351151    
Organism Mus musculus
Experiment description Characterization of vesicles secreted from insulinoma NIT-1 cells.
Authors "Lee HS, Jeong J, Lee KJ."
Journal name J Proteome Res
Publication year 2009
Sample Pancreatic cells
Sample name Pancreatic beta cell (NIT-1)
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
7
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 Atp6v1b2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Rraga  
Co-fractionation Mus musculus
2 SNCA 6622
Affinity Capture-MS Homo sapiens
3 Atxn1  
Affinity Capture-MS Mus musculus
4 Kctd13  
Affinity Capture-MS Mus musculus
5 Rragc  
Co-fractionation Mus musculus
6 Tfe3  
Affinity Capture-MS Mus musculus
7 Swap70  
Co-fractionation Mus musculus
8 Atp6v1g2  
Co-fractionation Mus musculus
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