Gene description for UBQLN2
Gene name ubiquilin 2
Gene symbol UBQLN2
Other names/aliases ALS15
CHAP1
DSK2
HRIHFB2157
N4BP4
PLIC2
Species Homo sapiens
 Database cross references - UBQLN2
ExoCarta ExoCarta_29978
Entrez Gene 29978
HGNC 12509
MIM 300264
UniProt Q9UHD9  
 UBQLN2 identified in exosomes derived from the following tissue/cell type
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Squamous carcinoma cells 20124223    
Thymus 23844026    
 Gene ontology annotations for UBQLN2
Molecular Function
    protein binding GO:0005515 IPI
Biological Process
    regulation of macroautophagy GO:0016241 IMP
    negative regulation of G-protein coupled receptor internalization GO:1904021 IMP
    ER-associated ubiquitin-dependent protein catabolic process GO:0030433 IMP
    negative regulation of clathrin-mediated endocytosis GO:1900186 IMP
    positive regulation of ER-associated ubiquitin-dependent protein catabolic process GO:1903071 IMP
    regulation of autophagosome assembly GO:2000785 IMP
Subcellular Localization
    nucleus GO:0005634 IEA
    cytoplasm GO:0005737 IDA
    plasma membrane GO:0005886 IDA
 Experiment description of studies that identified UBQLN2 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
3
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
4
Experiment ID 217
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
CD81|CD9|CD63
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23844026    
Organism Homo sapiens
Experiment description Characterization of human thymic exosomes.
Authors Skogberg G, Gudmundsdottir J, van der Post S, Sandstrom K, Bruhn S, Benson M, Mincheva-Nilsson L, Baranov V, Telemo E, Ekwall O.
Journal name PLoS One
Publication year 2013
Sample Thymus
Sample name Normal-Thymus
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for UBQLN2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 HSPA13 6782
Two-hybrid Homo sapiens
2 BTRC 8945
Invivo Homo sapiens
3 UBE3A 7337
Invivo Homo sapiens
Two-hybrid Homo sapiens
View the network image/svg+xml
 Pathways in which UBQLN2 is involved
No pathways found





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