Gene description for PSMC2
Gene name proteasome (prosome, macropain) 26S subunit, ATPase, 2
Gene symbol PSMC2
Other names/aliases MSS1
Nbla10058
S7
Species Homo sapiens
 Database cross references - PSMC2
ExoCarta ExoCarta_5701
Entrez Gene 5701
HGNC 9548
MIM 154365
UniProt P35998  
 PSMC2 identified in exosomes derived from the following tissue/cell type
Bladder cancer cells 20224111    
Melanoma cells 25950383    
Melanoma cells 25950383    
Melanoma cells 25950383    
Melanoma cells 25950383    
Melanoma cells 25950383    
Neuroblastoma cells 25944692    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Thymus 23844026    
 Gene ontology annotations for PSMC2
Molecular Function
    TBP-class protein binding GO:0017025 IBA
    ATP binding GO:0005524 IEA
    proteasome-activating ATPase activity GO:0036402 IBA
    protein binding GO:0005515 IPI
    ATPase activity GO:0016887 IDA
Biological Process
    innate immune response GO:0045087 TAS
    protein polyubiquitination GO:0000209 TAS
    viral process GO:0016032 TAS
    apoptotic process GO:0006915 TAS
    positive regulation of canonical Wnt signaling pathway GO:0090263 TAS
    regulation of cellular amino acid metabolic process GO:0006521 TAS
    programmed cell death GO:0012501 TAS
    osteoblast differentiation GO:0001649 IDA
    positive regulation of proteasomal protein catabolic process GO:1901800 IBA
    stimulatory C-type lectin receptor signaling pathway GO:0002223 TAS
    regulation of apoptotic process GO:0042981 TAS
    G1/S transition of mitotic cell cycle GO:0000082 TAS
    antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-dependent GO:0002479 TAS
    antigen processing and presentation of peptide antigen via MHC class I GO:0002474 TAS
    regulation of ubiquitin-protein ligase activity involved in mitotic cell cycle GO:0051439 TAS
    positive regulation of RNA polymerase II transcriptional preinitiation complex assembly GO:0045899 IBA
    negative regulation of ubiquitin-protein ligase activity involved in mitotic cell cycle GO:0051436 TAS
    anaphase-promoting complex-dependent proteasomal ubiquitin-dependent protein catabolic process GO:0031145 TAS
    negative regulation of canonical Wnt signaling pathway GO:0090090 TAS
    small molecule metabolic process GO:0044281 TAS
    positive regulation of ubiquitin-protein ligase activity involved in regulation of mitotic cell cycle transition GO:0051437 TAS
    gene expression GO:0010467 TAS
    DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest GO:0006977 TAS
    mitotic cell cycle GO:0000278 TAS
    cellular nitrogen compound metabolic process GO:0034641 TAS
    ubiquitin-dependent protein catabolic process GO:0006511 IDA
    negative regulation of apoptotic process GO:0043066 TAS
    ER-associated ubiquitin-dependent protein catabolic process GO:0030433 IBA
    antigen processing and presentation of exogenous peptide antigen via MHC class I GO:0042590 TAS
Subcellular Localization
    membrane GO:0016020 IDA
    cytoplasm GO:0005737 TAS
    cytoplasmic mRNA processing body GO:0000932 ISS
    nucleus GO:0005634 IDA
    proteasome complex GO:0000502 IDA
    proteasome accessory complex GO:0022624 ISS
    cytosolic proteasome complex GO:0031597 IBA
    proteasome regulatory particle, base subcomplex GO:0008540 IBA
    nuclear proteasome complex GO:0031595 IBA
    cytosol GO:0005829 TAS
    nucleoplasm GO:0005654 TAS
 Experiment description of studies that identified PSMC2 in exosomes
1
Experiment ID 76
ISEV standards
EM
EV Biophysical techniques
TSG101|GAPDH|HSP90
EV Cytosolic markers
CD81|CD9|CD63|LAMP1|MHCI
EV Membrane markers
HSP90B1
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20224111    
Organism Homo sapiens
Experiment description Proteomics analysis of bladder cancer exosomes.
Authors Welton JL, Khanna S, Giles PJ, Brennan P, Brewis IA, Staffurth J, Mason MD, Clayton A.
Journal name MCP
Publication year 2010
Sample Bladder cancer cells
Sample name HT1376
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.10-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF/TOF]
Western blotting
FACS
2
Experiment ID 254
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
FLOT1|CD81
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25950383    
Organism Homo sapiens
Experiment description Proteome characterization of melanoma exosomes reveals a specific signature for metastatic cell lines
Authors Lazar I, Clement E, Ducoux-Petit M, Denat L, Soldan V, Dauvillier S, Balor S4, Burlet-Schiltz O1, Larue L, Muller C Nieto L
Journal name Pigment Cell Melanoma Res
Publication year 2015
Sample Melanoma cells
Sample name MNT-1
Isolation/purification methods Differential centrifugation
Unltracentrifugation
Sucrose density gradient
Flotation density 1.13 - 1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
3
Experiment ID 255
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
FLOT1
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25950383    
Organism Homo sapiens
Experiment description Proteome characterization of melanoma exosomes reveals a specific signature for metastatic cell lines
Authors Lazar I, Clement E, Ducoux-Petit M, Denat L, Soldan V, Dauvillier S, Balor S4, Burlet-Schiltz O1, Larue L, Muller C Nieto L
Journal name Pigment Cell Melanoma Res
Publication year 2015
Sample Melanoma cells
Sample name G1
Isolation/purification methods Differential centrifugation
Unltracentrifugation
Sucrose density gradient
Flotation density 1.13 - 1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
4
Experiment ID 256
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
FLOT1
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25950383    
Organism Homo sapiens
Experiment description Proteome characterization of melanoma exosomes reveals a specific signature for metastatic cell lines
Authors Lazar I, Clement E, Ducoux-Petit M, Denat L, Soldan V, Dauvillier S, Balor S4, Burlet-Schiltz O1, Larue L, Muller C Nieto L
Journal name Pigment Cell Melanoma Res
Publication year 2015
Sample Melanoma cells
Sample name 501mel
Isolation/purification methods Differential centrifugation
Unltracentrifugation
Sucrose density gradient
Flotation density 1.13 - 1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
5
Experiment ID 257
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
FLOT1
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25950383    
Organism Homo sapiens
Experiment description Proteome characterization of melanoma exosomes reveals a specific signature for metastatic cell lines
Authors Lazar I, Clement E, Ducoux-Petit M, Denat L, Soldan V, Dauvillier S, Balor S4, Burlet-Schiltz O1, Larue L, Muller C Nieto L
Journal name Pigment Cell Melanoma Res
Publication year 2015
Sample Melanoma cells
Sample name Daju
Isolation/purification methods Differential centrifugation
Unltracentrifugation
Sucrose density gradient
Flotation density 1.13 - 1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
6
Experiment ID 259
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
FLOT1
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25950383    
Organism Homo sapiens
Experiment description Proteome characterization of melanoma exosomes reveals a specific signature for metastatic cell lines
Authors Lazar I, Clement E, Ducoux-Petit M, Denat L, Soldan V, Dauvillier S, Balor S4, Burlet-Schiltz O1, Larue L, Muller C Nieto L
Journal name Pigment Cell Melanoma Res
Publication year 2015
Sample Melanoma cells
Sample name A375M
Isolation/purification methods Differential centrifugation
Unltracentrifugation
Sucrose density gradient
Flotation density 1.13 - 1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
7
Experiment ID 224
ISEV standards
EM|AFM
EV Biophysical techniques
Alix|TSG101
EV Cytosolic markers
CD63|CD81
EV Membrane markers
GOLGA2
EV Negative markers
EV 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
8
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
9
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
10
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 PSMC2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 PSMD13 5719
Affinity Capture-MS Homo sapiens
2 PSMC1 5700
Affinity Capture-MS Homo sapiens
Reconstituted Complex Homo sapiens
3 TBP  
Invivo Homo sapiens
4 PSMD5 5711
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
Reconstituted Complex Homo sapiens
5 GTF2F1 2962
Affinity Capture-MS Homo sapiens
6 RPT1  
Dosage Rescue 4932
7 TRAF6 7189
Affinity Capture-MS Homo sapiens
8 PSMC4 5704
Invivo Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
9 GTF2H1 2965
Invivo Homo sapiens
Invitro Homo sapiens
10 PSMD2 5708
Reconstituted Complex Homo sapiens
Affinity Capture-MS Homo sapiens
11 GRINL1A  
Two-hybrid Homo sapiens
12 PSMD6 9861
Affinity Capture-MS Homo sapiens
13 PSMD10 5716
Affinity Capture-MS Homo sapiens
14 WDR71  
Affinity Capture-MS Homo sapiens
15 GTF2B 2959
Invivo Homo sapiens
Invitro Homo sapiens
View the network image/svg+xml
 Pathways in which PSMC2 is involved
PathwayEvidenceSource
Activation of NF-kappaB in B cells TAS Reactome
Antigen processing: Ubiquitination & Proteasome degradation TAS Reactome
APC/C:Cdc20 mediated degradation of Securin TAS Reactome
APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 TAS Reactome
Asymmetric localization of PCP proteins TAS Reactome
AUF1 (hnRNP D0) destabilizes mRNA TAS Reactome
Autodegradation of Cdh1 by Cdh1:APC/C TAS Reactome
Autodegradation of the E3 ubiquitin ligase COP1 TAS Reactome
Cdc20:Phospho-APC/C mediated degradation of Cyclin A TAS Reactome
CDK-mediated phosphorylation and removal of Cdc6 TAS Reactome
CDK-mediated phosphorylation and removal of Cdc6 TAS Reactome
CDT1 association with the CDC6:ORC:origin complex TAS Reactome
CLEC7A (Dectin-1) signaling TAS Reactome
Cross-presentation of soluble exogenous antigens (endosomes) TAS Reactome
Dectin-1 mediated noncanonical NF-kB signaling TAS Reactome
degradation of AXIN TAS Reactome
Degradation of beta-catenin by the destruction complex TAS Reactome
degradation of DVL TAS Reactome
Degradation of GLI1 by the proteasome TAS Reactome
Degradation of GLI2 by the proteasome TAS Reactome
ER-Phagosome pathway TAS Reactome
GLI3 is processed to GLI3R by the proteasome TAS Reactome
Hedgehog 'on' state TAS Reactome
Hedgehog ligand biogenesis TAS Reactome
Hh mutants that don't undergo autocatalytic processing are degraded by ERAD TAS Reactome
Orc1 removal from chromatin TAS Reactome
Orc1 removal from chromatin TAS Reactome
Regulation of activated PAK-2p34 by proteasome mediated degradation TAS Reactome
Regulation of ornithine decarboxylase (ODC) TAS Reactome
SCF(Skp2)-mediated degradation of p27/p21 TAS Reactome
SCF(Skp2)-mediated degradation of p27/p21 TAS Reactome
SCF-beta-TrCP mediated degradation of Emi1 TAS Reactome
Separation of Sister Chromatids TAS Reactome
Ubiquitin Mediated Degradation of Phosphorylated Cdc25A TAS Reactome
Ubiquitin-dependent degradation of Cyclin D1 TAS Reactome
Vif-mediated degradation of APOBEC3G TAS Reactome
Vpu mediated degradation of CD4 TAS Reactome





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