Gene description for Pdia4
Gene name protein disulfide isomerase family A, member 4
Gene symbol Pdia4
Other names/aliases ERp-72
Erp70
Erp72
Species Rattus norvegicus
 Database cross references - Pdia4
ExoCarta ExoCarta_116598
Vesiclepedia VP_116598
Entrez Gene 116598
UniProt P38659  
 Pdia4 identified in sEVs derived from the following tissue/cell type
Hepatocytes 19367702    
Reticulocytes 21828046    
 Gene ontology annotations for Pdia4
Molecular Function
    protein disulfide isomerase activity GO:0003756 IBA
    protein disulfide isomerase activity GO:0003756 IDA
    protein disulfide isomerase activity GO:0003756 IEA
    protein disulfide isomerase activity GO:0003756 ISO
    integrin binding GO:0005178 ISO
    protein binding GO:0005515 IPI
    protein-disulfide reductase activity GO:0015035 IEA
    protein-disulfide reductase activity GO:0015035 ISO
Biological Process
    protein folding GO:0006457 IBA
    response to endoplasmic reticulum stress GO:0034976 IBA
    chaperone-mediated protein folding GO:0061077 IDA
    platelet aggregation GO:0070527 ISO
    blood coagulation, fibrin clot formation GO:0072378 ISO
    positive regulation of protein folding GO:1903334 IDA
Subcellular Localization
    extracellular space GO:0005615 IEA
    extracellular space GO:0005615 ISO
    endoplasmic reticulum GO:0005783 IBA
    endoplasmic reticulum GO:0005783 ISO
    endoplasmic reticulum lumen GO:0005788 IEA
    smooth endoplasmic reticulum GO:0005790 IDA
    cell surface GO:0009986 IBA
    cell surface GO:0009986 IEA
    cell surface GO:0009986 ISO
    endoplasmic reticulum chaperone complex GO:0034663 ISO
    melanosome GO:0042470 IEA
 Experiment description of studies that identified Pdia4 in sEVs
1
Experiment ID 35
MISEV standards
✔
CEM
Biophysical techniques
✔
TSG101|Alix|CD81|CD63
Enriched markers
✔
HSPA5
Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19367702    
Organism Rattus norvegicus
Experiment description Characterization and Comprehensive Proteome Profiling of Exosomes Secreted by Hepatocytes.
Authors "Conde-Vancells J, Rodriguez-Suarez E, Embade N, Gil D, Matthiesen R, Valle M, Elortza F, Lu SC, Mato JM, Falcon-Perez JM"
Journal name JPR
Publication year 2008
Sample Hepatocytes
Sample name Hepatocytes
Isolation/purification methods Differential centrifugation
Filtration
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [QTOF]
Western blotting
2
Experiment ID 97
MISEV standards
✔
EM
Biophysical techniques
✔
TSG101|HSP90|HSC70|MHCI
Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E."
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D4 Rep 2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
 Protein-protein interactions for Pdia4
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Hsp90b1 362862
Affinity Capture-Western Rattus norvegicus
2 Hyou1 192235
Affinity Capture-Western Rattus norvegicus
3 Hspa5 25617
Affinity Capture-Western Rattus norvegicus
Affinity Capture-Western Rattus norvegicus
4 Thbs1 445442
Affinity Capture-Western Rattus norvegicus
5 Tg  
Affinity Capture-Western Rattus norvegicus
Affinity Capture-Western Rattus norvegicus
View the network image/svg+xml
 Pathways in which Pdia4 is involved
No pathways found





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