Gene description for Prps1
Gene name phosphoribosyl pyrophosphate synthetase 1
Gene symbol Prps1
Other names/aliases -
Species Rattus norvegicus
 Database cross references - Prps1
ExoCarta ExoCarta_29562
Entrez Gene 29562
UniProt P60892  
 Prps1 identified in exosomes derived from the following tissue/cell type
Pancreatic cancer cells 20124479    
Pancreatic cancer cells 20124479    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
 Gene ontology annotations for Prps1
Molecular Function
    protein binding GO:0005515 IPI
    ribose phosphate diphosphokinase activity GO:0004749 ISS
    protein homodimerization activity GO:0042803 ISS
    carbohydrate binding GO:0030246 IDA
    ATP binding GO:0005524 ISS
    magnesium ion binding GO:0000287 IDA
    ADP binding GO:0043531 IDA
    GDP binding GO:0019003 IDA
    AMP binding GO:0016208 IDA
    kinase activity GO:0016301 IEA
Biological Process
    purine nucleotide biosynthetic process GO:0006164 ISO
    AMP biosynthetic process GO:0006167 IDA
    nervous system development GO:0007399 ISO
    ribose phosphate metabolic process GO:0019693 IDA
    purine nucleobase metabolic process GO:0006144 ISO
    5-phosphoribose 1-diphosphate biosynthetic process GO:0006015 IEA
    organ regeneration GO:0031100 IEP
    phosphorylation GO:0016310 IEA
    urate biosynthetic process GO:0034418 ISO
    nucleotide biosynthetic process GO:0009165 IDA
    hypoxanthine biosynthetic process GO:0046101 ISO
Subcellular Localization
    ribose phosphate diphosphokinase complex GO:0002189 IDA
    protein complex GO:0043234 IDA
 Experiment description of studies that identified Prps1 in exosomes
1
Experiment ID 92
ISEV standards
✔
EM
EV Biophysical techniques
✔
HSP70|GAPDH
EV Cytosolic markers
✔
CD9|CD151
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule mrna
Identification method Microarray
PubMed ID 20124479    
Organism Rattus norvegicus
Experiment description Cell surface tetraspanin Tspan8 contributes to molecular pathways of exosome-induced endothelial cell activation.
Authors Nazarenko I, Rana S, Baumann A, McAlear J, Hellwig A, Trendelenburg M, Lochnit G, Preissner KT, Zoller M.
Journal name CR
Publication year 2010
Sample Pancreatic cancer cells
Sample name AS
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.14-1.17 g/mL
Molecules identified in the study Protein
mRNA
Methods used in the study RT-PCR
Western blotting
RatRef-12 Microarray
FACS
Mass spectrometry [MALDI TOF]
2
Experiment ID 93
ISEV standards
✔
EM
EV Biophysical techniques
✔
HSP70|GAPDH
EV Cytosolic markers
✔
CD9|CD151
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule mrna
Identification method Microarray
PubMed ID 20124479    
Organism Rattus norvegicus
Experiment description Cell surface tetraspanin Tspan8 contributes to molecular pathways of exosome-induced endothelial cell activation.
Authors Nazarenko I, Rana S, Baumann A, McAlear J, Hellwig A, Trendelenburg M, Lochnit G, Preissner KT, Zoller M.
Journal name CR
Publication year 2010
Sample Pancreatic cancer cells
Sample name AS-Tspan8
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.14-1.17 g/mL
Molecules identified in the study Protein
mRNA
Methods used in the study RT-PCR
Western blotting
3
Experiment ID 90
ISEV standards
✔
EM
EV Biophysical techniques
✔
HSC70|HSP90|TSG101
EV Cytosolic markers
✔
MHCI
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D2 Rep 1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
4
Experiment ID 94
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101|HSP90|HSC70
EV Cytosolic markers
✔
MHCI
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E.
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D4 Rep 1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
5
Experiment ID 95
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101|HSP90|HSC70
EV Cytosolic markers
✔
MHCI
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E.
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D7 Rep 1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.25 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
6
Experiment ID 96
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101|HSP90|HSC70
EV Cytosolic markers
✔
MHCI
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E.
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D2 Rep 2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
7
Experiment ID 97
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101|HSP90|HSC70
EV Cytosolic markers
✔
MHCI
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E.
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D4 Rep 2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
8
Experiment ID 98
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101|HSP90|HSC70
EV Cytosolic markers
✔
MHCI
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E.
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D7 Rep 2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.25 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
9
Experiment ID 101
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101|HSP90|HSC70
EV Cytosolic markers
✔
MHCI
EV Membrane markers
✘ EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry [QSTAR]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E.
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D7 Rep 3
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.25 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
 Protein-protein interactions for Prps1
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.
 Pathways in which Prps1 is involved
PathwayEvidenceSource
5-Phosphoribose 1-diphosphate biosynthesis IEA Reactome





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