Gene description for PURA
Gene name purine-rich element binding protein A
Gene symbol PURA
Other names/aliases MRD31
PUR-ALPHA
PUR1
PURALPHA
Species Homo sapiens
 Database cross references - PURA
ExoCarta ExoCarta_5813
Entrez Gene 5813
HGNC 9701
MIM 600473
UniProt Q00577  
 PURA identified in exosomes derived from the following tissue/cell type
Neuroblastoma cells 25944692    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Thymus 23844026    
 Gene ontology annotations for PURA
Molecular Function
    poly(A) RNA binding GO:0044822 IDA
    RNA polymerase II distal enhancer sequence-specific DNA binding transcription factor activity GO:0003705 TAS
    double-stranded telomeric DNA binding GO:0003691 IDA
    protein binding GO:0005515 IPI
    single-stranded DNA binding GO:0003697 ISS
    transcription factor binding GO:0008134 ISS
    purine-rich negative regulatory element binding GO:0032422 IEA
    translation repressor activity, nucleic acid binding GO:0000900 IEA
    SMAD binding GO:0046332 IEA
Biological Process
    positive regulation of cell proliferation GO:0008284 IEA
    DNA unwinding involved in DNA replication GO:0006268 IDA
    nervous system development GO:0007399 IEA
    negative regulation of translation GO:0017148 IEA
    negative regulation of transcription, DNA-templated GO:0045892 IEA
    regulation of transcription from RNA polymerase II promoter GO:0006357 TAS
    transcription from RNA polymerase II promoter GO:0006366 TAS
    DNA replication initiation GO:0006270 TAS
    cell differentiation GO:0030154 IEA
Subcellular Localization
    dendrite GO:0030425 IEA
    nuclear chromosome, telomeric region GO:0000784 IC
    neuronal cell body GO:0043025 IEA
    DNA replication factor A complex GO:0005662 ISS
    cytoplasm GO:0005737 IEA
    nucleus GO:0005634 IDA
 Experiment description of studies that identified PURA in exosomes
1
Experiment ID 224
ISEV standards
EM|AFM
EV Biophysical techniques
Alix|TSG101
EV Cytosolic markers
CD63|CD81
EV Membrane markers
GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25944692    
Organism Homo sapiens
Experiment description Proteogenomic analysis reveals exosomes are more oncogenic than ectosomes
Authors Keerthikumar S, Gangoda L, Liem M, Fonseka P, Atukorala I, Ozcitti C, Mechler A, Adda CG, Ang CS, Mathivanan S
Journal name Oncotarget
Publication year 2015
Sample Neuroblastoma cells
Sample name SH-SY5Y
Isolation/purification methods Differential centrifugation
Ultracentrifugation
OptiPrep density gradient
Flotation density 1.10 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
2
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
3
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
4
Experiment ID 217
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
CD81|CD9|CD63
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23844026    
Organism Homo sapiens
Experiment description Characterization of human thymic exosomes.
Authors Skogberg G, Gudmundsdottir J, van der Post S, Sandstrom K, Bruhn S, Benson M, Mincheva-Nilsson L, Baranov V, Telemo E, Ekwall O.
Journal name PLoS One
Publication year 2013
Sample Thymus
Sample name Normal-Thymus
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for PURA
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 ZNF9  
Affinity Capture-MS Homo sapiens
2 SP1  
Affinity Capture-Western Homo sapiens
3 YBX1 4904
Invitro Homo sapiens
4 CENTA1  
Invitro Homo sapiens
5 E2F1 1869
Invivo Homo sapiens
Invitro Homo sapiens
6 CCNT1  
Reconstituted Complex Homo sapiens
View the network image/svg+xml
 Pathways in which PURA is involved
No pathways found





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