Gene description for Prosbeta4
Gene name Proteasome beta4 subunit
Gene symbol Prosbeta4
Other names/aliases 17331
Beta-4
CG17331
DmelCG17331
GC17331
PSMB2
Psmb2
beta4
Species Drosophila melanogaster
 Database cross references - Prosbeta4
ExoCarta ExoCarta_34999
Vesiclepedia VP_34999
Entrez Gene 34999
 Prosbeta4 identified in sEVs derived from the following tissue/cell type
Drosophila S2 cells 23035643    
 Gene ontology annotations for Prosbeta4
Molecular Function
    peptidase activity GO:0008233 NAS
Biological Process
    sexual reproduction GO:0019953 IEP
    proteasome-mediated ubiquitin-dependent protein catabolic process GO:0043161 IC
    proteasome-mediated ubiquitin-dependent protein catabolic process GO:0043161 IMP
Subcellular Localization
    proteasome complex GO:0000502 IDA
    proteasome core complex GO:0005839 IDA
 Experiment description of studies that identified Prosbeta4 in sEVs
1
Experiment ID 202
MISEV standards
IEM
Biophysical techniques
TSG10|RAB35|FLOT2
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23035643    
Organism Drosophila melanogaster
Experiment description Drosophila S2 cells secrete Wingless on exosome-like vesicles but the Wingless gradient forms independently of exosomes.
Authors "Beckett K, Monier S, Palmer L, Alexandre C, Green H, Bonneil E, Raposo G, Thibault P, Borgne RL, Vincent JP."
Journal name Traffic
Publication year 2012
Sample Drosophila S2 cells
Sample name Normal-Drosophila S2 tub-Wg
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for Prosbeta4
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Prosbeta2 39628
Affinity Capture-MS Drosophila melanogaster
2 CG4328  
Two-hybrid Drosophila melanogaster
3 Rpt6  
Affinity Capture-MS Drosophila melanogaster
4 CG13319  
Affinity Capture-MS Drosophila melanogaster
5 Prosalpha1 45780
Affinity Capture-MS Drosophila melanogaster
6 Prosalpha4 32584
Affinity Capture-MS Drosophila melanogaster
7 Prosbeta5  
Affinity Capture-MS Drosophila melanogaster
8 zuc  
Proximity Label-MS Drosophila melanogaster
9 CG11885  
Affinity Capture-MS Drosophila melanogaster
10 Rpt2 42828
Affinity Capture-MS Drosophila melanogaster
11 Prosalpha5  
Affinity Capture-MS Drosophila melanogaster
12 MED15  
Two-hybrid Drosophila melanogaster
13 Prosalpha6  
Affinity Capture-MS Drosophila melanogaster
14 Prosalpha3 37378
Affinity Capture-MS Drosophila melanogaster
15 Gsc  
Two-hybrid Drosophila melanogaster
16 Strn-Mlck  
Two-hybrid Drosophila melanogaster
17 Rpn2 43449
Affinity Capture-MS Drosophila melanogaster
18 Prosalpha7 36018
Affinity Capture-MS Drosophila melanogaster
19 Prosbeta1 46058
Affinity Capture-MS Drosophila melanogaster
20 jigr1  
Two-hybrid Drosophila melanogaster
21 Pomp  
Affinity Capture-MS Drosophila melanogaster
22 CG2046  
Affinity Capture-MS Drosophila melanogaster
23 CG12321  
Affinity Capture-MS Drosophila melanogaster
24 Rpn1 40174
Affinity Capture-MS Drosophila melanogaster
25 Rpn7  
Affinity Capture-MS Drosophila melanogaster
26 CG15067  
Two-hybrid Drosophila melanogaster
27 CG14868  
Two-hybrid Drosophila melanogaster
28 Klc  
Affinity Capture-MS Drosophila melanogaster
29 Cpr11A  
Two-hybrid Drosophila melanogaster
30 Prosalpha2 41531
Affinity Capture-MS Drosophila melanogaster
31 REG  
Affinity Capture-MS Drosophila melanogaster
32 CG3812  
Affinity Capture-MS Drosophila melanogaster
33 Rpt1  
Affinity Capture-MS Drosophila melanogaster
34 Inx3  
Two-hybrid Drosophila melanogaster
35 Prosbeta6  
Affinity Capture-MS Drosophila melanogaster
36 Rpn13 36545
Affinity Capture-MS Drosophila melanogaster
37 Rpt3  
Affinity Capture-MS Drosophila melanogaster
38 Rpn6  
Affinity Capture-MS Drosophila melanogaster
39 Rpt4  
Affinity Capture-MS Drosophila melanogaster
40 Prosbeta3  
Affinity Capture-MS Drosophila melanogaster
41 Rpn11  
Affinity Capture-MS Drosophila melanogaster
42 Rpt5  
Affinity Capture-MS Drosophila melanogaster
43 Rpn9  
Affinity Capture-MS Drosophila melanogaster
44 Prosbeta7  
Affinity Capture-MS Drosophila melanogaster
45 Leash  
Affinity Capture-MS Drosophila melanogaster
46 Rpn8  
Affinity Capture-MS Drosophila melanogaster
View the network image/svg+xml
 Pathways in which Prosbeta4 is involved
No pathways found





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