Gene description for PRPSAP2
Gene name phosphoribosyl pyrophosphate synthetase-associated protein 2
Gene symbol PRPSAP2
Other names/aliases PAP41
Species Homo sapiens
 Database cross references - PRPSAP2
ExoCarta ExoCarta_5636
Vesiclepedia VP_5636
Entrez Gene 5636
HGNC 9467
MIM 603762
UniProt O60256  
 PRPSAP2 identified in sEVs derived from the following tissue/cell type
Bone marrow mesenchymal stem cells 36408942    
Bone marrow mesenchymal stem cells 36408942    
Bone marrow mesenchymal stem cells 36408942    
Bone marrow mesenchymal stem cells 36408942    
Breast cancer cells 34108659    
Breast cancer cells 34108659    
Embryonic kidney cells 34108659    
Embryonic kidney cells 34108659    
Mesenchymal stem cells 36408942    
Neuroblastoma cells 25944692    
Pancreatic cancer cells 34108659    
Pancreatic cancer cells 34108659    
Thymus 23844026    
 Gene ontology annotations for PRPSAP2
Molecular Function
    magnesium ion binding GO:0000287 IEA
    enzyme inhibitor activity GO:0004857 TAS
    protein binding GO:0005515 IPI
    enzyme regulator activity GO:0030234 IBA
    identical protein binding GO:0042802 IPI
Biological Process
    5-phosphoribose 1-diphosphate biosynthetic process GO:0006015 IBA
    nucleobase-containing compound metabolic process GO:0006139 TAS
    purine nucleotide biosynthetic process GO:0006164 IBA
    bone development GO:0060348 IEA
Subcellular Localization
    cytoplasm GO:0005737 IBA
 Experiment description of studies that identified PRPSAP2 in sEVs
1
Experiment ID 489
MISEV standards
✔
EM
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 6
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 490
MISEV standards
✔
EM
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 7
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
3
Experiment ID 491
MISEV standards
✔
EM
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 8
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
4
Experiment ID 492
MISEV standards
✔
EM
Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
Enriched markers
✔
Canx
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Rattus norvegicus
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Bone marrow mesenchymal stem cells
Sample name BMSC - Passage 9
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
5
Experiment ID 426
MISEV standards
✘ Biophysical techniques
✔
SDCBP|FLOT1|CD81|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
Enriched markers
✔
CANX
Negative markers
✘ Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 34108659    
Organism Homo sapiens
Experiment description Quantitative Proteomics Identifies the Core Proteome of Exosomes with Syntenin-1 as the highest abundant protein and a Putative Universal Biomarker
Authors "Kugeratski FG, Hodge K, Lilla S, McAndrews KM, Zhou X, Hwang RF, Zanivan S, Kalluri R."
Journal name Nat Cell Biol
Publication year 2021
Sample Breast cancer cells
Sample name MDA-MB-231 - Exo-rich fractions 7-10 pooled
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Size exclusion chromatography
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
6
Experiment ID 427
MISEV standards
✘ Biophysical techniques
✔
CD81|SDCBP|FLOT1|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
Enriched markers
✔
CANX
Negative markers
✘ Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 34108659    
Organism Homo sapiens
Experiment description Quantitative Proteomics Identifies the Core Proteome of Exosomes with Syntenin-1 as the highest abundant protein and a Putative Universal Biomarker
Authors "Kugeratski FG, Hodge K, Lilla S, McAndrews KM, Zhou X, Hwang RF, Zanivan S, Kalluri R."
Journal name Nat Cell Biol
Publication year 2021
Sample Breast cancer cells
Sample name MDA-MB-231 - Exo-rich fractions 1-6 pooled
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
OptiPrep density gradient centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
7
Experiment ID 419
MISEV standards
✘ Biophysical techniques
✔
SDCBP|FLOT1|CD81|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
Enriched markers
✔
CANX
Negative markers
✘ Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 34108659    
Organism Homo sapiens
Experiment description Quantitative Proteomics Identifies the Core Proteome of Exosomes with Syntenin-1 as the highest abundant protein and a Putative Universal Biomarker
Authors "Kugeratski FG, Hodge K, Lilla S, McAndrews KM, Zhou X, Hwang RF, Zanivan S, Kalluri R."
Journal name Nat Cell Biol
Publication year 2021
Sample Embryonic kidney cells
Sample name HEK293T - Exo-rich fractions 7-10 pooled
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Size exclusion chromatography
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
8
Experiment ID 419
MISEV standards
✘ Biophysical techniques
✔
SDCBP|FLOT1|CD81|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
Enriched markers
✔
CANX
Negative markers
✘ Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 34108659    
Organism Homo sapiens
Experiment description Quantitative Proteomics Identifies the Core Proteome of Exosomes with Syntenin-1 as the highest abundant protein and a Putative Universal Biomarker
Authors "Kugeratski FG, Hodge K, Lilla S, McAndrews KM, Zhou X, Hwang RF, Zanivan S, Kalluri R."
Journal name Nat Cell Biol
Publication year 2021
Sample Embryonic kidney cells
Sample name HEK293T - Exo-rich fractions 7-10 pooled
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Size exclusion chromatography
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
9
Experiment ID 420
MISEV standards
✘ Biophysical techniques
✔
CD81|SDCBP|FLOT1|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
Enriched markers
✔
CANX
Negative markers
✘ Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 34108659    
Organism Homo sapiens
Experiment description Quantitative Proteomics Identifies the Core Proteome of Exosomes with Syntenin-1 as the highest abundant protein and a Putative Universal Biomarker
Authors "Kugeratski FG, Hodge K, Lilla S, McAndrews KM, Zhou X, Hwang RF, Zanivan S, Kalluri R."
Journal name Nat Cell Biol
Publication year 2021
Sample Embryonic kidney cells
Sample name HEK293T - Exo-rich fractions 1-6 pooled
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
OptiPrep density gradient centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
10
Experiment ID 420
MISEV standards
✘ Biophysical techniques
✔
CD81|SDCBP|FLOT1|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
Enriched markers
✔
CANX
Negative markers
✘ Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 34108659    
Organism Homo sapiens
Experiment description Quantitative Proteomics Identifies the Core Proteome of Exosomes with Syntenin-1 as the highest abundant protein and a Putative Universal Biomarker
Authors "Kugeratski FG, Hodge K, Lilla S, McAndrews KM, Zhou X, Hwang RF, Zanivan S, Kalluri R."
Journal name Nat Cell Biol
Publication year 2021
Sample Embryonic kidney cells
Sample name HEK293T - Exo-rich fractions 1-6 pooled
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
OptiPrep density gradient centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
11
Experiment ID 488
MISEV standards
✔
EM
Biophysical techniques
✔
CD9|CD81|CD63|GAPDH|SDCBP|LAMP1|TFRC|UCHL1|FLOT2|LAMP2|FLOT1|ICAM1|RAB5B|CD151|RAB35|TSG101|RAB5A|CD82
Enriched markers
✔
CANX
Negative markers
✔
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 36408942    
Organism Homo sapiens
Experiment description Quantitative proteomic analysis of exosomes from umbilical cord mesenchymal stem cells and rat bone marrow stem cells
Authors "Xu X, Yin F, Guo M, Gan G, Lin G, Wen C, Wang J, Song P, Wang J, Qi ZQ, Zhong CQ."
Journal name Proteomics
Publication year 2023
Sample Mesenchymal stem cells
Sample name UCMSC
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
12
Experiment ID 224
MISEV standards
✔
EM|AFM
Biophysical techniques
✔
Alix|TSG101|CD63|CD81
Enriched markers
✔
GOLGA2
Negative markers
✘ 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
13
Experiment ID 434
MISEV standards
✘ Biophysical techniques
✔
SDCBP|FLOT1|CD81|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
Enriched markers
✔
CANX
Negative markers
✘ Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 34108659    
Organism Homo sapiens
Experiment description Quantitative Proteomics Identifies the Core Proteome of Exosomes with Syntenin-1 as the highest abundant protein and a Putative Universal Biomarker
Authors "Kugeratski FG, Hodge K, Lilla S, McAndrews KM, Zhou X, Hwang RF, Zanivan S, Kalluri R."
Journal name Nat Cell Biol
Publication year 2021
Sample Pancreatic cancer cells
Sample name PANC-1 - Exo-rich fractions 7-10 pooled
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Size exclusion chromatography
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
14
Experiment ID 435
MISEV standards
✘ Biophysical techniques
✔
CD81|SDCBP|FLOT1|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
Enriched markers
✔
CANX
Negative markers
✘ Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 34108659    
Organism Homo sapiens
Experiment description Quantitative Proteomics Identifies the Core Proteome of Exosomes with Syntenin-1 as the highest abundant protein and a Putative Universal Biomarker
Authors "Kugeratski FG, Hodge K, Lilla S, McAndrews KM, Zhou X, Hwang RF, Zanivan S, Kalluri R."
Journal name Nat Cell Biol
Publication year 2021
Sample Pancreatic cancer cells
Sample name PANC-1 - Exo-rich fractions 1-6 pooled
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
OptiPrep density gradient centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
15
Experiment ID 217
MISEV standards
✔
EM
Biophysical techniques
✔
TSG101|CD81|CD9|CD63
Enriched markers
✘ Negative markers
✔
NTA
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 PRPSAP2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 SNRPB2 6629
Co-fractionation Homo sapiens
2 UBE2H 7328
Affinity Capture-MS Homo sapiens
3 CLPP 8192
Proximity Label-MS Homo sapiens
4 PRPS1L1 221823
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
5 PLEKHA4 57664
Affinity Capture-MS Homo sapiens
6 PARP1 142
Affinity Capture-MS Homo sapiens
7 VTI1B 10490
Affinity Capture-MS Homo sapiens
8 RPL19 6143
Affinity Capture-MS Homo sapiens
9 SFTPA2  
Affinity Capture-MS Homo sapiens
10 PRPS2 5634
Affinity Capture-MS Homo sapiens
Co-fractionation Homo sapiens
Affinity Capture-MS Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
11 NAPA 8775
Affinity Capture-MS Homo sapiens
12 DOCK7 85440
Affinity Capture-MS Homo sapiens
13 SSRP1 6749
Affinity Capture-MS Homo sapiens
14 YWHAE 7531
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
15 IVNS1ABP  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
16 TEX11  
Two-hybrid Homo sapiens
17 PRKCZ 5590
Affinity Capture-MS Homo sapiens
18 NTNG1  
Affinity Capture-MS Homo sapiens
19 PRPSAP2 5636
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
20 PLEKHA2 59339
Affinity Capture-MS Homo sapiens
21 WHSC1 7468
Affinity Capture-MS Homo sapiens
22 PRPSAP1 5635
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
23 ELP2 55250
Co-fractionation Homo sapiens
24 APP 351
Reconstituted Complex Homo sapiens
25 WIF1 11197
Affinity Capture-MS Homo sapiens
26 CBL 867
Affinity Capture-Luminescence Homo sapiens
Affinity Capture-MS Homo sapiens
27 LRRC47 57470
Co-fractionation Homo sapiens
28 CAPZB 832
Affinity Capture-MS Homo sapiens
29 RPA3 6119
Proximity Label-MS Homo sapiens
30 CCNB1 891
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
31 DCUN1D1 54165
Affinity Capture-MS Homo sapiens
32 PSMD10 5716
Co-fractionation Homo sapiens
33 USP47 55031
Affinity Capture-MS Homo sapiens
34 RTCB 51493
Affinity Capture-MS Homo sapiens
35 NTRK1 4914
Affinity Capture-MS Homo sapiens
36 TOP1 7150
Affinity Capture-MS Homo sapiens
37 FNTB 2342
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
38 COPS5 10987
Affinity Capture-MS Homo sapiens
39 FBXL6  
Affinity Capture-MS Homo sapiens
40 IQGAP1 8826
Co-fractionation Homo sapiens
41 NAPG 8774
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
42 SNRNP27  
Affinity Capture-MS Homo sapiens
43 GALNT16 57452
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
44 LZTR1 8216
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
45 MAST3  
Affinity Capture-MS Homo sapiens
46 MTRF1L  
Co-fractionation Homo sapiens
47 PRPS1 5631
Affinity Capture-MS Homo sapiens
Co-fractionation Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
48 PRKAR1B  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
49 PRMT1 3276
Affinity Capture-MS Homo sapiens
50 CAPRIN1 4076
Affinity Capture-MS Homo sapiens
51 UBXN1 51035
Affinity Capture-MS Homo sapiens
View the network image/svg+xml
 Pathways in which PRPSAP2 is involved
No pathways found





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