Gene description for CPA4
Gene name carboxypeptidase A4
Gene symbol CPA4
Other names/aliases CPA3
Species Homo sapiens
 Database cross references - CPA4
ExoCarta ExoCarta_51200
Vesiclepedia VP_51200
Entrez Gene 51200
HGNC 15740
MIM 607635
UniProt Q9UI42  
 CPA4 identified in sEVs derived from the following tissue/cell type
Chondrocytes 35931686    
Chondrocytes 35931686    
 Gene ontology annotations for CPA4
Molecular Function
    metallocarboxypeptidase activity GO:0004181 IBA
    metallocarboxypeptidase activity GO:0004181 IDA
    metallocarboxypeptidase activity GO:0004181 NAS
    protein binding GO:0005515 IPI
    zinc ion binding GO:0008270 IEA
Biological Process
    proteolysis GO:0006508 IBA
    hormone catabolic process GO:0042447 IDA
    peptide catabolic process GO:0043171 IDA
Subcellular Localization
    extracellular space GO:0005615 IBA
    extracellular space GO:0005615 IDA
 Experiment description of studies that identified CPA4 in sEVs
1
Experiment ID 497
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 35931686    
Organism Homo sapiens
Experiment description Extracellular vesicles enriched in connexin 43 promote a senescent phenotype in bone and synovial cells contributing to osteoarthritis progression
Authors "Varela-Eirín M, Carpintero-Fernández P, Guitián-Caamaño A, Varela-Vázquez A, García-Yuste A, Sánchez-Temprano A, Bravo-López SB, Yañez-Cabanas J, Fonseca E, Largo R, Mobasheri A, Caeiro JR, Mayán MD."
Journal name Cell Death Dis
Publication year 2022
Sample Chondrocytes
Sample name T/C-28a2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
2
Experiment ID 498
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 35931686    
Organism Homo sapiens
Experiment description Extracellular vesicles enriched in connexin 43 promote a senescent phenotype in bone and synovial cells contributing to osteoarthritis progression
Authors "Varela-Eirín M, Carpintero-Fernández P, Guitián-Caamaño A, Varela-Vázquez A, García-Yuste A, Sánchez-Temprano A, Bravo-López SB, Yañez-Cabanas J, Fonseca E, Largo R, Mobasheri A, Caeiro JR, Mayán MD."
Journal name Cell Death Dis
Publication year 2022
Sample Chondrocytes
Sample name T/C-28a2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
 Protein-protein interactions for CPA4
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 PRSS16 10279
Affinity Capture-MS Homo sapiens
2 ENDOG  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
3 ERCC3  
Affinity Capture-MS Homo sapiens
4 IFNA4  
Affinity Capture-MS Homo sapiens
5 RHBDD1 84236
Affinity Capture-MS Homo sapiens
6 KLHL11  
Affinity Capture-MS Homo sapiens
7 PPP2R2B 5521
Affinity Capture-MS Homo sapiens
8 SLC25A6 293
Affinity Capture-MS Homo sapiens
9 SEP15 9403
Affinity Capture-MS Homo sapiens
10 NDUFS5 4725
Affinity Capture-MS Homo sapiens
11 PIGT 51604
Affinity Capture-MS Homo sapiens
12 CCNC  
Affinity Capture-MS Homo sapiens
13 CD22 933
Affinity Capture-MS Homo sapiens
14 LXN 56925
Co-crystal Structure Homo sapiens
15 SLCO6A1  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
16 NHLRC2 374354
Affinity Capture-MS Homo sapiens
17 ASCC1 51008
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
18 TCTN3  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
19 TBC1D22B  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
20 CPA2  
Affinity Capture-MS Homo sapiens
21 CDK15  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
22 PRG2  
Affinity Capture-MS Homo sapiens
23 PCP4  
Affinity Capture-MS Homo sapiens
24 ZSCAN12  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
25 RAB9B 51209
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
26 NPPA  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
27 C1orf35  
Affinity Capture-MS Homo sapiens
28 OVOL2  
Affinity Capture-MS Homo sapiens
29 EBF2  
Affinity Capture-MS Homo sapiens
30 ZIC1  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
31 PTDSS1 9791
Affinity Capture-MS Homo sapiens
32 GSKIP  
Affinity Capture-MS Homo sapiens
33 PLK2  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
34 FTH1 2495
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
35 PDPK1 5170
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
36 MYCBPAP 84073
Affinity Capture-MS Homo sapiens
37 ST6GALNAC6 30815
Affinity Capture-MS Homo sapiens
38 ADH1C 126
Affinity Capture-MS Homo sapiens
39 APTX  
Affinity Capture-MS Homo sapiens
40 C21orf59 56683
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
41 MOGAT3  
Affinity Capture-MS Homo sapiens
42 SH2D3A  
Affinity Capture-MS Homo sapiens
43 RPS19BP1  
Affinity Capture-MS Homo sapiens
44 MBNL1 4154
Affinity Capture-MS Homo sapiens
45 UBAC2 337867
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
46 KIR3DS1  
Affinity Capture-MS Homo sapiens
47 CCDC51 79714
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
48 SMAD9  
Affinity Capture-MS Homo sapiens
49 TEFM  
Affinity Capture-MS Homo sapiens
50 GALNT9  
Affinity Capture-MS Homo sapiens
51 AIRE  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
52 TSPAN6 7105
Affinity Capture-MS Homo sapiens
53 GPR18  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
54 GOT1 2805
Affinity Capture-MS Homo sapiens
55 SARAF  
Affinity Capture-MS Homo sapiens
56 E2F6 1876
Affinity Capture-MS Homo sapiens
57 POLR2L 5441
Affinity Capture-MS Homo sapiens
58 ST7  
Affinity Capture-MS Homo sapiens
59 OR2A4 79541
Affinity Capture-MS Homo sapiens
60 BEX5  
Affinity Capture-MS Homo sapiens
61 CTNNA1 1495
Co-fractionation Homo sapiens
62 GMCL1  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
63 GABPA 2551
Affinity Capture-MS Homo sapiens
64 CCR1  
Affinity Capture-MS Homo sapiens
65 ATP6AP2 10159
Affinity Capture-MS Homo sapiens
66 STX17 55014
Affinity Capture-MS Homo sapiens
67 B3GALNT1 8706
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
68 RIPPLY3  
Affinity Capture-MS Homo sapiens
69 CYLD  
Affinity Capture-MS Homo sapiens
70 POC5  
Affinity Capture-MS Homo sapiens
71 PHF8  
Affinity Capture-MS Homo sapiens
72 HTRA2 27429
Co-fractionation Homo sapiens
View the network image/svg+xml
 Pathways in which CPA4 is involved
No pathways found





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