Gene description for PPP3CA
Gene name protein phosphatase 3, catalytic subunit, alpha isozyme
Gene symbol PPP3CA
Other names/aliases CALN
CALNA
CALNA1
CCN1
CNA1
PPP2B
Species Homo sapiens
 Database cross references - PPP3CA
ExoCarta ExoCarta_5530
Entrez Gene 5530
HGNC 9314
MIM 114105
UniProt Q08209  
 PPP3CA identified in exosomes derived from the following tissue/cell type
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Platelets 25332113    
Platelets 25332113    
Platelets 25332113    
Squamous carcinoma cells 20124223    
 Gene ontology annotations for PPP3CA
Molecular Function
    protein dimerization activity GO:0046983 IPI
    calmodulin binding GO:0005516 NAS
    protein heterodimerization activity GO:0046982 IEA
    protein serine/threonine phosphatase activity GO:0004722 NAS
    protein binding GO:0005515 IPI
    calcium ion binding GO:0005509 NAS
    drug binding GO:0008144 IDA
    enzyme binding GO:0019899 IDA
    calmodulin-dependent protein phosphatase activity GO:0033192 TAS
Biological Process
    protein import into nucleus GO:0006606 IEA
    G1/S transition of mitotic cell cycle GO:0000082 IEA
    regulation of excitatory postsynaptic membrane potential GO:0060079 IEA
    calcium ion transport GO:0006816 IEA
    cellular response to glucose stimulus GO:0071333 IEA
    calcineurin-NFAT signaling cascade GO:0033173 IDA
    dephosphorylation GO:0016311 TAS
    regulation of synaptic transmission GO:0050804 IEA
    response to amphetamine GO:0001975 IEA
    positive regulation of cardiac muscle hypertrophy in response to stress GO:1903244 IEA
    positive regulation of NFAT protein import into nucleus GO:0051533 IDA
    response to calcium ion GO:0051592 IDA
    cellular response to drug GO:0035690 IDA
    innate immune response GO:0045087 TAS
    negative regulation of insulin secretion GO:0046676 IEA
    stimulatory C-type lectin receptor signaling pathway GO:0002223 TAS
    protein dephosphorylation GO:0006470 NAS
    T cell activation GO:0042110 TAS
    transition between fast and slow fiber GO:0014883 IEA
    Fc-epsilon receptor signaling pathway GO:0038095 TAS
    positive regulation of transcription from RNA polymerase II promoter GO:0045944 IDA
    skeletal muscle fiber development GO:0048741 IEA
    multicellular organismal response to stress GO:0033555 IEA
Subcellular Localization
    Z disc GO:0030018 IEA
    calcineurin complex GO:0005955 NAS
    nucleoplasm GO:0005654 TAS
    mitochondrion GO:0005739 IEA
    cytosol GO:0005829 TAS
    cytoplasm GO:0005737 IDA
    sarcolemma GO:0042383 IEA
 Experiment description of studies that identified PPP3CA in exosomes
1
Experiment ID 207
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name DKO-1
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
2
Experiment ID 208
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name Dks-8
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 209
ISEV standards
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name DLD-1
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
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
5
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
6
Experiment ID 231
ISEV standards
EV Biophysical techniques
Alix
EV Cytosolic markers
CD63|CD9
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 1
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Western blotting
Mass spectrometry
7
Experiment ID 232
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
8
Experiment ID 233
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 3
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
9
Experiment ID 191
ISEV standards
EV Biophysical techniques
Alix
EV Cytosolic markers
CD81|CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20124223    
Organism Homo sapiens
Experiment description Hypoxic tumor cell modulates its microenvironment to enhance angiogenic and metastatic potential by secretion of proteins and exosomes.
Authors Park JE, Tan HS, Datta A, Lai RC, Zhang H, Meng W, Lim SK, Sze SK.
Journal name Mol Cell Proteomics
Publication year 2010
Sample Squamous carcinoma cells
Sample name Squamous carcinoma cell (A431)
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for PPP3CA
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 SOD1 6647
Invitro Homo sapiens
Affinity Capture-MS Homo sapiens
2 DSCR1  
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
3 RCAN2  
Invivo Homo sapiens
Invitro Homo sapiens
Two-hybrid Homo sapiens
4 PPP3R1  
Affinity Capture-MS Homo sapiens
5 PRKCZ 5590
Affinity Capture-MS Homo sapiens
6 PPIA 5478
Affinity Capture-MS Homo sapiens
Co-crystal Structure Homo sapiens
7 BCL2  
Invivo Homo sapiens
Invivo Homo sapiens
8 MYOZ2 51778
Affinity Capture-MS Homo sapiens
9 FKBP8 23770
Invivo Homo sapiens
Affinity Capture-MS Homo sapiens
10 AKAP5  
Invivo Homo sapiens
Invivo Homo sapiens
Invitro Homo sapiens
Invitro Homo sapiens
11 CASP3 836
Invitro Homo sapiens
Affinity Capture-MS Homo sapiens
12 FKBP1A 2280
Affinity Capture-MS Homo sapiens
13 MGC17624  
Two-hybrid Homo sapiens
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