Gene description for Pcbp2
Gene name poly(rC) binding protein 2
Gene symbol Pcbp2
Other names/aliases AW412548
Hnrpx
alphaCP-2
Species Mus musculus
 Database cross references - Pcbp2
ExoCarta ExoCarta_18521
Vesiclepedia VP_18521
Entrez Gene 18521
UniProt Q61990  
 Pcbp2 identified in sEVs derived from the following tissue/cell type
Colon cancer cells 37309723    
Macrophages 23658846    
Macrophages 23658846    
Macrophages 23658846    
Pancreatic cells 19351151    
T-cell lymphoma cells 37309723    
 Gene ontology annotations for Pcbp2
Molecular Function
    DNA binding GO:0003677 IDA
    single-stranded DNA binding GO:0003697 IBA
    single-stranded DNA binding GO:0003697 IDA
    RNA binding GO:0003723 IEA
    RNA binding GO:0003723 ISO
    mRNA binding GO:0003729 IBA
    protein binding GO:0005515 IPI
    enzyme binding GO:0019899 ISO
    ubiquitin protein ligase binding GO:0031625 ISO
    iron chaperone activity GO:0034986 ISO
    lncRNA binding GO:0106222 ISO
    promoter-enhancer loop anchoring activity GO:0140585 ISO
    C-rich single-stranded DNA binding GO:1990829 IDA
Biological Process
    regulation of transcription by RNA polymerase II GO:0006357 IBA
    viral RNA genome replication GO:0039694 ISO
    proteasome-mediated ubiquitin-dependent protein catabolic process GO:0043161 ISO
    proteasome-mediated ubiquitin-dependent protein catabolic process GO:0043161 ISS
    innate immune response GO:0045087 IEA
    positive regulation of transcription by RNA polymerase II GO:0045944 IDA
    negative regulation of defense response to virus GO:0050687 ISO
    negative regulation of defense response to virus GO:0050687 ISS
    protein maturation GO:0051604 ISO
    defense response to virus GO:0051607 IEA
    IRES-dependent viral translational initiation GO:0075522 ISO
    chromatin looping GO:0140588 ISO
    negative regulation of cGAS/STING signaling pathway GO:0160049 ISO
Subcellular Localization
    nucleus GO:0005634 IBA
    nucleus GO:0005634 IDA
    nucleus GO:0005634 ISO
    nucleus GO:0005634 ISO
    nucleoplasm GO:0005654 IBA
    nucleoplasm GO:0005654 ISO
    cytoplasm GO:0005737 IBA
    cytoplasm GO:0005737 ISO
    cytosol GO:0005829 ISO
    cytosol GO:0005829 ISO
    postsynaptic density GO:0014069 ISO
    ribonucleoprotein complex GO:1990904 IEA
 Experiment description of studies that identified Pcbp2 in sEVs
1
Experiment ID 907
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample Colon cancer cells
Sample name C26
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
2
Experiment ID 214
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name Leishmania-infected-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 215
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name LPS-treated-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
Experiment ID 216
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name Normal-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
5
Experiment ID 188
MISEV standards
EM
Biophysical techniques
GAPDH|UCHL1|HSP90
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19351151    
Organism Mus musculus
Experiment description Characterization of vesicles secreted from insulinoma NIT-1 cells.
Authors "Lee HS, Jeong J, Lee KJ."
Journal name J Proteome Res
Publication year 2009
Sample Pancreatic cells
Sample name Pancreatic beta cell (NIT-1)
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
6
Experiment ID 908
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample T-cell lymphoma cells
Sample name EL4
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
 Protein-protein interactions for Pcbp2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 RAD54L2  
Affinity Capture-MS Homo sapiens
2 PRICKLE3  
Affinity Capture-MS Homo sapiens
3 PNPLA8 50640
Affinity Capture-MS Homo sapiens
4 Tmem173  
Proximity Label-MS Mus musculus
5 ZFYVE26 23503
Affinity Capture-MS Homo sapiens
6 Eed  
Affinity Capture-MS Mus musculus
7 Tfe3  
Affinity Capture-MS Mus musculus
8 Mapt  
Affinity Capture-MS Mus musculus
9 USP11 8237
Affinity Capture-MS Homo sapiens
10 Pou5f1  
Affinity Capture-MS Mus musculus
11 NOP58 51602
Affinity Capture-MS Homo sapiens
12 SAV1  
Affinity Capture-MS Homo sapiens
13 FARP1 10160
Affinity Capture-MS Homo sapiens
14 Fancd2  
Affinity Capture-MS Mus musculus
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