Gene description for Ppp2ca
Gene name protein phosphatase 2, catalytic subunit, alpha isozyme
Gene symbol Ppp2ca
Other names/aliases Pp2a1
Species Rattus norvegicus
 Database cross references - Ppp2ca
ExoCarta ExoCarta_24672
Entrez Gene 24672
UniProt P63331  
 Ppp2ca identified in exosomes derived from the following tissue/cell type
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
 Gene ontology annotations for Ppp2ca
Molecular Function
    tau protein binding GO:0048156 IPI
    protein phosphatase 2A binding GO:0051721 IPI
    metal ion binding GO:0046872 IEA
    enzyme binding GO:0019899 IPI
    protein binding GO:0005515 IPI
    protein kinase binding GO:0019901 IPI
    protein dimerization activity GO:0046983 IMP
    protein phosphatase binding GO:0019903 IPI
    protein complex binding GO:0032403 IPI
    protein domain specific binding GO:0019904 IDA
    protein antigen binding GO:1990405 IPI
    GABA receptor binding GO:0050811 ISO
    protein heterodimerization activity GO:0046982 ISS
    protein serine/threonine phosphatase activity GO:0004722 TAS
    protein kinase B binding GO:0043422 IPI
    ion channel binding GO:0044325 IPI
    protein C-terminus binding GO:0008022 ISO
Biological Process
    negative regulation of protein phosphorylation GO:0001933 IMP
    negative regulation of calcium ion transmembrane transporter activity GO:1901020 IMP
    cellular response to glucose stimulus GO:0071333 IMP
    cardiac ventricle development GO:0003231 IEP
    negative regulation of epithelial to mesenchymal transition GO:0010719 ISO
    regulation of protein autophosphorylation GO:0031952 IMP
    negative regulation of transcription factor import into nucleus GO:0042992 IMP
    cellular response to cytokine stimulus GO:0071345 IEP
    cellular response to steroid hormone stimulus GO:0071383 IEP
    protein heterotrimerization GO:0070208 IMP
    positive regulation of protein serine/threonine kinase activity GO:0071902 ISO
    negative regulation of transcription from RNA polymerase II promoter GO:0000122 IMP
    regulation of protein catabolic process GO:0042176 IMP
    cellular response to calcium ion GO:0071277 IEP
    positive regulation of cysteine-type endopeptidase activity involved in apoptotic process GO:0043280 IMP
    heart development GO:0007507 IEP
    meiotic cell cycle GO:0051321 IEA
    cellular response to ethanol GO:0071361 IEP
    protein dephosphorylation GO:0006470 IDA
    positive regulation of apoptotic process GO:0043065 IMP
    mesoderm development GO:0007498 ISO
    positive regulation of protein phosphatase type 2A activity GO:0034049 IMP
    positive regulation of protein dephosphorylation GO:0035307 IDA
    cellular response to insulin stimulus GO:0032869 IEP
    regulation of receptor activity GO:0010469 IMP
    regulation of protein phosphorylation GO:0001932 IMP
    cellular response to follicle-stimulating hormone stimulus GO:0071372 IEP
Subcellular Localization
    plasma membrane GO:0005886 ISO
    nucleus GO:0005634 IEA
    extracellular exosome GO:0070062 ISO
    spindle pole GO:0000922 IEA
    chromosome, centromeric region GO:0000775 ISO
    neuron projection GO:0043005 IDA
    terminal bouton GO:0043195 IDA
    postsynaptic density GO:0014069 IDA
    cytosol GO:0005829 ISO
    cytoplasm GO:0005737 ISO
    protein phosphatase type 2A complex GO:0000159 ISO
 Experiment description of studies that identified Ppp2ca in exosomes
1
Experiment ID 90
ISEV standards
EM
EV Biophysical techniques
HSC70|HSP90|TSG101
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 - D2 Rep 1
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
2
Experiment ID 94
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 1
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 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
4
Experiment ID 96
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 - D2 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
5
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
6
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
7
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 Ppp2ca
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.



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