Gene description for RALGAPB
Gene name Ral GTPase activating protein, beta subunit (non-catalytic)
Gene symbol RALGAPB
Other names/aliases KIAA1219
RalGAPbeta
Species Homo sapiens
 Database cross references - RALGAPB
ExoCarta ExoCarta_57148
Entrez Gene 57148
HGNC 29221
UniProt Q86X10  
 RALGAPB identified in exosomes derived from the following tissue/cell type
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
 Gene ontology annotations for RALGAPB
Molecular Function
    GTPase activator activity GO:0005096 ISS
    protein heterodimerization activity GO:0046982 ISS
Biological Process
    Ral protein signal transduction GO:0032484 IEA
    activation of GTPase activity GO:0090630 ISS
    regulation of exocyst localization GO:0060178 IEA
    membrane organization GO:0061024 TAS
Subcellular Localization
    intracellular GO:0005622 IEA
 Experiment description of studies that identified RALGAPB in exosomes
1
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
2
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
 Protein-protein interactions for RALGAPB
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.
 Pathways in which RALGAPB is involved
PathwayEvidenceSource
Translocation of GLUT4 to the plasma membrane TAS Reactome





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