Gene description for PSMD8
Gene name proteasome (prosome, macropain) 26S subunit, non-ATPase, 8
Gene symbol PSMD8
Other names/aliases HEL-S-91n
HIP6
HYPF
Nin1p
Rpn12
S14
p31
Species Homo sapiens
 Database cross references - PSMD8
ExoCarta ExoCarta_5714
Entrez Gene 5714
HGNC 9566
UniProt P48556  
 PSMD8 identified in exosomes derived from the following tissue/cell type
Thymus 23844026    
 Gene ontology annotations for PSMD8
Biological Process
    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
    positive regulation of canonical Wnt signaling pathway GO:0090263 TAS
    negative regulation of canonical Wnt signaling pathway GO:0090090 TAS
    regulation of apoptotic process GO:0042981 TAS
    antigen processing and presentation of exogenous peptide antigen via MHC class I GO:0042590 TAS
    regulation of protein stability GO:0031647 IMP
    antigen processing and presentation of peptide antigen via MHC class I GO:0002474 TAS
    negative regulation of apoptotic process GO:0043066 TAS
    protein polyubiquitination GO:0000209 TAS
    positive regulation of ubiquitin-protein ligase activity involved in regulation of mitotic cell cycle transition GO:0051437 TAS
    mitotic cell cycle GO:0000278 TAS
    G1/S transition of mitotic cell cycle GO:0000082 TAS
    regulation of ubiquitin-protein ligase activity involved in mitotic cell cycle GO:0051439 TAS
    small molecule metabolic process GO:0044281 TAS
    apoptotic process GO:0006915 TAS
    innate immune response GO:0045087 TAS
    positive regulation of protein targeting to mitochondrion GO:1903955 IMP
    stimulatory C-type lectin receptor signaling pathway GO:0002223 TAS
    cellular nitrogen compound metabolic process GO:0034641 TAS
    DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest GO:0006977 TAS
    regulation of cellular amino acid metabolic process GO:0006521 TAS
    viral process GO:0016032 TAS
    gene expression GO:0010467 TAS
    antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-dependent GO:0002479 TAS
    programmed cell death GO:0012501 TAS
Subcellular Localization
    proteasome accessory complex GO:0022624 ISS
    nucleoplasm GO:0005654 TAS
    proteasome regulatory particle GO:0005838 IEA
    nucleus GO:0005634 IDA
    cytosol GO:0005829 TAS
    proteasome complex GO:0000502 IDA
    extracellular exosome GO:0070062 IDA
 Experiment description of studies that identified PSMD8 in exosomes
1
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 PSMD8
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 PSMD13 5719
Affinity Capture-MS Homo sapiens
2 WDR71  
Affinity Capture-MS Homo sapiens
3 SMAD9  
Affinity Capture-MS Homo sapiens
4 UCHL5 51377
Invivo Homo sapiens
Invitro Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
5 PSMD6 9861
Affinity Capture-MS Homo sapiens
View the network image/svg+xml
 Pathways in which PSMD8 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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