Gene description for Ppm1a
Gene name protein phosphatase, Mg2+/Mn2+ dependent, 1A
Gene symbol Ppm1a
Other names/aliases Pp2c1
Species Rattus norvegicus
 Database cross references - Ppm1a
ExoCarta ExoCarta_24666
Vesiclepedia VP_24666
Entrez Gene 24666
UniProt P20650  
 Ppm1a identified in sEVs derived from the following tissue/cell type
Reticulocytes 21828046    
 Gene ontology annotations for Ppm1a
Molecular Function
    magnesium ion binding GO:0000287 IEA
    phosphoprotein phosphatase activity GO:0004721 IDA
    phosphoprotein phosphatase activity GO:0004721 ISO
    protein serine/threonine phosphatase activity GO:0004722 IBA
    protein serine/threonine phosphatase activity GO:0004722 ISO
    protein binding GO:0005515 IPI
    myosin phosphatase activity GO:0017018 IEA
    manganese ion binding GO:0030145 IEA
    calmodulin-dependent protein phosphatase activity GO:0033192 IEA
    calmodulin-dependent protein phosphatase activity GO:0033192 ISO
    transmembrane transporter binding GO:0044325 IDA
    R-SMAD binding GO:0070412 IEA
    R-SMAD binding GO:0070412 ISO
    R-SMAD binding GO:0070412 ISS
    histone H2AXS140 phosphatase activity GO:0140791 IEA
    RNA polymerase II CTD heptapeptide repeat Y1 phosphatase activity GO:0180004 IEA
    RNA polymerase II CTD heptapeptide repeat T4 phosphatase activity GO:0180005 IEA
    RNA polymerase II CTD heptapeptide repeat S2 phosphatase activity GO:0180006 IEA
    RNA polymerase II CTD heptapeptide repeat S5 phosphatase activity GO:0180007 IEA
    RNA polymerase II CTD heptapeptide repeat S7 phosphatase activity GO:0180008 IEA
    MAP kinase serine/threonine phosphatase activity GO:1990439 IEA
Biological Process
    chromatin remodeling GO:0006338 IEA
    regulation of transcription by RNA polymerase II GO:0006357 IEA
    protein dephosphorylation GO:0006470 ISO
    protein dephosphorylation GO:0006470 ISO
    protein dephosphorylation GO:0006470 ISS
    N-terminal protein myristoylation GO:0006499 ISO
    N-terminal protein myristoylation GO:0006499 ISS
    protein export from nucleus GO:0006611 IEA
    protein export from nucleus GO:0006611 ISO
    dephosphorylation GO:0016311 ISO
    negative regulation of transforming growth factor beta receptor signaling pathway GO:0030512 IEA
    negative regulation of transforming growth factor beta receptor signaling pathway GO:0030512 ISO
    negative regulation of BMP signaling pathway GO:0030514 IEA
    negative regulation of BMP signaling pathway GO:0030514 ISO
    peptidyl-threonine dephosphorylation GO:0035970 ISO
    regulation of canonical NF-kappaB signal transduction GO:0043122 IBA
    positive regulation of canonical NF-kappaB signal transduction GO:0043123 ISO
    negative regulation of canonical NF-kappaB signal transduction GO:0043124 IEA
    negative regulation of canonical NF-kappaB signal transduction GO:0043124 ISO
    negative regulation of canonical NF-kappaB signal transduction GO:0043124 ISS
    positive regulation of DNA-templated transcription GO:0045893 IEA
    positive regulation of DNA-templated transcription GO:0045893 ISO
    positive regulation of protein export from nucleus GO:0046827 IEA
    positive regulation of protein export from nucleus GO:0046827 ISO
    cellular response to transforming growth factor beta stimulus GO:0071560 IEA
    cellular response to transforming growth factor beta stimulus GO:0071560 ISO
    positive regulation of canonical Wnt signaling pathway GO:0090263 IBA
    positive regulation of canonical Wnt signaling pathway GO:0090263 IEA
    positive regulation of canonical Wnt signaling pathway GO:0090263 ISO
    negative regulation of non-canonical NF-kappaB signal transduction GO:1901223 IEA
    negative regulation of non-canonical NF-kappaB signal transduction GO:1901223 ISO
    negative regulation of non-canonical NF-kappaB signal transduction GO:1901223 ISS
Subcellular Localization
    nucleus GO:0005634 IBA
    nucleus GO:0005634 IEA
    nucleus GO:0005634 ISO
    cytosol GO:0005829 IBA
    cytosol GO:0005829 IEA
    cytosol GO:0005829 ISO
    cytosol GO:0005829 ISS
    plasma membrane GO:0005886 IEA
    plasma membrane GO:0005886 ISO
    membrane GO:0016020 ISO
    membrane GO:0016020 ISS
    neuron projection GO:0043005 IDA
 Experiment description of studies that identified Ppm1a in sEVs
1
Experiment ID 95
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 - 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
 Protein-protein interactions for Ppm1a
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.



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