Gene description for Ppp2r4
Gene name protein phosphatase 2A activator, regulatory subunit 4
Gene symbol Ppp2r4
Other names/aliases -
Species Rattus norvegicus
 Database cross references - Ppp2r4
ExoCarta ExoCarta_362102
Entrez Gene 362102
 Ppp2r4 identified in exosomes derived from the following tissue/cell type
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
 Gene ontology annotations for Ppp2r4
Molecular Function
    receptor binding GO:0005102 ISO
    protein homodimerization activity GO:0042803 ISO
    protein phosphatase 2A binding GO:0051721 ISO
    ATPase activity GO:0016887 ISO
    peptidyl-prolyl cis-trans isomerase activity GO:0003755 IBA
    protein tyrosine phosphatase activator activity GO:0008160 ISO
    ATP binding GO:0005524 ISO
    protein phosphatase type 2A regulator activity GO:0008601 ISO
Biological Process
    positive regulation of apoptotic process GO:0043065 ISO
    positive regulation of phosphoprotein phosphatase activity GO:0032516 ISO
    negative regulation of phosphoprotein phosphatase activity GO:0032515 ISO
    negative regulation of protein dephosphorylation GO:0035308 ISO
    regulation of protein phosphatase type 2A activity GO:0034047 ISO
    protein peptidyl-prolyl isomerization GO:0000413 IEA
    positive regulation of protein dephosphorylation GO:0035307 ISO
    metabolic process GO:0008152 ISO
    regulation of phosphoprotein phosphatase activity GO:0043666 ISO
    mitotic spindle organization in nucleus GO:0030472 IBA
Subcellular Localization
    nucleus GO:0005634 ISO
    calcium channel complex GO:0034704 ISO
    cytoplasm GO:0005737 ISO
    extracellular exosome GO:0070062 ISO
    nucleoplasm GO:0005654 ISO
    protein phosphatase type 2A complex GO:0000159 ISO
 Experiment description of studies that identified Ppp2r4 in exosomes
1
Experiment ID 95
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP90|HSC70
EV Cytosolic markers
MHCI
EV Membrane markers
EV Negative markers
EV 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 - D7 Rep 1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.25 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
2
Experiment ID 97
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP90|HSC70
EV Cytosolic markers
MHCI
EV Membrane markers
EV Negative markers
EV 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
3
Experiment ID 98
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP90|HSC70
EV Cytosolic markers
MHCI
EV Membrane markers
EV Negative markers
EV 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 - D7 Rep 2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.25 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
4
Experiment ID 101
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP90|HSC70
EV Cytosolic markers
MHCI
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry [QSTAR]
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 - D7 Rep 3
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.25 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 Ppp2r4
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.
 Pathways in which Ppp2r4 is involved
No pathways found





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