Gene description for Pura
Gene name purine rich element binding protein A
Gene symbol Pura
Other names/aliases CAGER-1
Pur-alpha
ssCRE-BP
Species Mus musculus
 Database cross references - Pura
ExoCarta ExoCarta_19290
Vesiclepedia VP_19290
Entrez Gene 19290
UniProt P42669  
 Pura identified in sEVs derived from the following tissue/cell type
Colon cancer cells 37309723    
T-cell lymphoma cells 37309723    
 Gene ontology annotations for Pura
Molecular Function
    mRNA regulatory element binding translation repressor activity GO:0000900 IDA
    RNA polymerase II transcription regulatory region sequence-specific DNA binding GO:0000977 IBA
    RNA polymerase II transcription regulatory region sequence-specific DNA binding GO:0000977 IEA
    DNA-binding transcription factor activity, RNA polymerase II-specific GO:0000981 IBA
    DNA-binding transcription repressor activity, RNA polymerase II-specific GO:0001227 IDA
    DNA binding GO:0003677 IDA
    double-stranded DNA binding GO:0003690 IDA
    double-stranded telomeric DNA binding GO:0003691 IEA
    double-stranded telomeric DNA binding GO:0003691 ISO
    single-stranded DNA binding GO:0003697 IDA
    DNA-binding transcription factor activity GO:0003700 IDA
    protein binding GO:0005515 IPI
    purine-rich negative regulatory element binding GO:0032422 IBA
    purine-rich negative regulatory element binding GO:0032422 IDA
    SMAD binding GO:0046332 IDA
    DNA-binding transcription factor binding GO:0140297 IPI
    transcription regulator inhibitor activity GO:0140416 IDA
Biological Process
    negative regulation of transcription by RNA polymerase II GO:0000122 IDA
    negative regulation of transcription by RNA polymerase II GO:0000122 ISO
    negative regulation of transcription by RNA polymerase II GO:0000122 ISS
    DNA unwinding involved in DNA replication GO:0006268 IEA
    DNA unwinding involved in DNA replication GO:0006268 ISO
    regulation of transcription by RNA polymerase II GO:0006357 IBA
    nervous system development GO:0007399 IMP
    cell population proliferation GO:0008283 IMP
    positive regulation of cell population proliferation GO:0008284 IMP
    negative regulation of translation GO:0017148 IEA
    negative regulation of DNA-binding transcription factor activity GO:0043433 IDA
    negative regulation of DNA-templated transcription GO:0045892 IDA
    lymphocyte proliferation GO:0046651 IMP
    epithelial cell proliferation GO:0050673 IMP
    dendritic transport of messenger ribonucleoprotein complex GO:0098963 IDA
    dendritic transport of messenger ribonucleoprotein complex GO:0098963 IMP
Subcellular Localization
    nucleus GO:0005634 IBA
    nucleus GO:0005634 IDA
    nucleus GO:0005634 IDA
    nucleus GO:0005634 ISO
    cytoplasm GO:0005737 IDA
    postsynaptic density GO:0014069 ISO
    dendrite GO:0030425 IDA
    neuronal cell body GO:0043025 IDA
    postsynapse GO:0098794 IDA
    glutamatergic synapse GO:0098978 IDA
 Experiment description of studies that identified Pura 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 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 Pura
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Cdk4  
Reconstituted Complex Mus musculus
2 Fxr1 14359
Affinity Capture-MS Mus musculus
3 Tnik  
Affinity Capture-MS Mus musculus
4 Cdk1 12534
Reconstituted Complex Mus musculus
5 Pde4dip  
Affinity Capture-MS Mus musculus
6 Ccnb1  
Reconstituted Complex Mus musculus
7 Ccnd1  
Reconstituted Complex Mus musculus
8 Ccnh  
Reconstituted Complex Mus musculus
9 Dlgap1  
Affinity Capture-MS Mus musculus
10 Cdk2  
Co-localization Mus musculus
11 Syngap1  
Affinity Capture-MS Mus musculus
Affinity Capture-MS Mus musculus
12 Fmr1  
Two-hybrid Mus musculus
Affinity Capture-MS Mus musculus
13 Kctd13  
Affinity Capture-MS Mus musculus
14 Atg16l1  
Affinity Capture-MS Mus musculus
15 Huwe1  
Affinity Capture-MS Mus musculus
16 Mecp2  
Affinity Capture-MS Mus musculus
17 Ywhae 22627
Affinity Capture-MS Mus musculus
18 Ccne1  
Reconstituted Complex Mus musculus
19 Fzr1  
Affinity Capture-MS Mus musculus
20 Ccna2  
Reconstituted Complex Mus musculus
21 E2f1  
Affinity Capture-Western Mus musculus
Affinity Capture-Western Mus musculus
22 Cdk5 12568
Affinity Capture-Western Mus musculus
23 Purb 19291
Co-fractionation Mus musculus
24 Tsc1  
Affinity Capture-MS Mus musculus
25 Hist1h1a  
Reconstituted Complex Mus musculus
26 Zbtb7b  
Affinity Capture-MS Mus musculus
27 Tia1  
Affinity Capture-MS Mus musculus
28 Fancd2  
Affinity Capture-MS Mus musculus
View the network image/svg+xml
 Pathways in which Pura is involved
No pathways found





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