Gene description for ENPP1
Gene name ectonucleotide pyrophosphatase/phosphodiesterase 1
Gene symbol ENPP1
Other names/aliases ARHR2
COLED
M6S1
NPP1
NPPS
PC-1
PCA1
PDNP1
Species Homo sapiens
 Database cross references - ENPP1
ExoCarta ExoCarta_5167
Entrez Gene 5167
HGNC 3356
MIM 173335
UniProt P22413  
 ENPP1 identified in exosomes derived from the following tissue/cell type
Melanoma cells 25950383    
Melanoma cells 25950383    
Melanoma cells 25950383    
Melanoma cells 25950383    
Melanoma cells 25950383    
Melanoma cells 25950383    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
 Gene ontology annotations for ENPP1
Molecular Function
    zinc ion binding GO:0008270 ISS
    protein homodimerization activity GO:0042803 IDA
    calcium ion binding GO:0005509 ISS
    nucleotide diphosphatase activity GO:0004551 TAS
    nucleic acid binding GO:0003676 IEA
    insulin receptor binding GO:0005158 IDA
    3'-phosphoadenosine 5'-phosphosulfate binding GO:0050656 IC
    scavenger receptor activity GO:0005044 IEA
    polysaccharide binding GO:0030247 IEA
    phosphodiesterase I activity GO:0004528 ISS
    protein binding GO:0005515 IPI
    NADH pyrophosphatase activity GO:0035529 IEA
    nucleoside-triphosphate diphosphatase activity GO:0047429 IDA
    ATP binding GO:0005524 IDA
Biological Process
    negative regulation of glycogen biosynthetic process GO:0045719 IDA
    cellular response to insulin stimulus GO:0032869 IDA
    3'-phosphoadenosine 5'-phosphosulfate metabolic process GO:0050427 IDA
    nucleoside triphosphate catabolic process GO:0009143 IDA
    small molecule metabolic process GO:0044281 TAS
    immune response GO:0006955 IEA
    water-soluble vitamin metabolic process GO:0006767 TAS
    negative regulation of ossification GO:0030279 IEA
    phosphate-containing compound metabolic process GO:0006796 IDA
    cellular phosphate ion homeostasis GO:0030643 IDA
    regulation of bone mineralization GO:0030500 IC
    biomineral tissue development GO:0031214 IEA
    generation of precursor metabolites and energy GO:0006091 IDA
    negative regulation of cell growth GO:0030308 IDA
    negative regulation of glucose import GO:0046325 IDA
    bone remodeling GO:0046849 IEA
    receptor-mediated endocytosis GO:0006898 IEA
    sequestering of triglyceride GO:0030730 IDA
    negative regulation of protein autophosphorylation GO:0031953 IDA
    negative regulation of fat cell differentiation GO:0045599 IDA
    nucleic acid phosphodiester bond hydrolysis GO:0090305 ISS
    inorganic diphosphate transport GO:0030505 IDA
    vitamin metabolic process GO:0006766 TAS
    negative regulation of insulin receptor signaling pathway GO:0046627 IDA
    riboflavin metabolic process GO:0006771 TAS
Subcellular Localization
    basolateral plasma membrane GO:0016323 NAS
    integral component of membrane GO:0016021 ISS
    plasma membrane GO:0005886 TAS
    cell surface GO:0009986 IDA
    extracellular space GO:0005615 IDA
    integral component of plasma membrane GO:0005887 ISS
    lysosomal membrane GO:0005765 IDA
 Experiment description of studies that identified ENPP1 in exosomes
1
Experiment ID 254
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101
EV Cytosolic markers
✔
FLOT1|CD81
EV Membrane markers
✘ EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25950383    
Organism Homo sapiens
Experiment description Proteome characterization of melanoma exosomes reveals a specific signature for metastatic cell lines
Authors Lazar I, Clement E, Ducoux-Petit M, Denat L, Soldan V, Dauvillier S, Balor S4, Burlet-Schiltz O1, Larue L, Muller C Nieto L
Journal name Pigment Cell Melanoma Res
Publication year 2015
Sample Melanoma cells
Sample name MNT-1
Isolation/purification methods Differential centrifugation
Unltracentrifugation
Sucrose density gradient
Flotation density 1.13 - 1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
2
Experiment ID 255
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101
EV Cytosolic markers
✔
FLOT1
EV Membrane markers
✘ EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25950383    
Organism Homo sapiens
Experiment description Proteome characterization of melanoma exosomes reveals a specific signature for metastatic cell lines
Authors Lazar I, Clement E, Ducoux-Petit M, Denat L, Soldan V, Dauvillier S, Balor S4, Burlet-Schiltz O1, Larue L, Muller C Nieto L
Journal name Pigment Cell Melanoma Res
Publication year 2015
Sample Melanoma cells
Sample name G1
Isolation/purification methods Differential centrifugation
Unltracentrifugation
Sucrose density gradient
Flotation density 1.13 - 1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
3
Experiment ID 256
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101
EV Cytosolic markers
✔
FLOT1
EV Membrane markers
✘ EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25950383    
Organism Homo sapiens
Experiment description Proteome characterization of melanoma exosomes reveals a specific signature for metastatic cell lines
Authors Lazar I, Clement E, Ducoux-Petit M, Denat L, Soldan V, Dauvillier S, Balor S4, Burlet-Schiltz O1, Larue L, Muller C Nieto L
Journal name Pigment Cell Melanoma Res
Publication year 2015
Sample Melanoma cells
Sample name 501mel
Isolation/purification methods Differential centrifugation
Unltracentrifugation
Sucrose density gradient
Flotation density 1.13 - 1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
4
Experiment ID 257
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101
EV Cytosolic markers
✔
FLOT1
EV Membrane markers
✘ EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25950383    
Organism Homo sapiens
Experiment description Proteome characterization of melanoma exosomes reveals a specific signature for metastatic cell lines
Authors Lazar I, Clement E, Ducoux-Petit M, Denat L, Soldan V, Dauvillier S, Balor S4, Burlet-Schiltz O1, Larue L, Muller C Nieto L
Journal name Pigment Cell Melanoma Res
Publication year 2015
Sample Melanoma cells
Sample name Daju
Isolation/purification methods Differential centrifugation
Unltracentrifugation
Sucrose density gradient
Flotation density 1.13 - 1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
5
Experiment ID 258
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101
EV Cytosolic markers
✔
FLOT1|CD81
EV Membrane markers
✘ EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25950383    
Organism Homo sapiens
Experiment description Proteome characterization of melanoma exosomes reveals a specific signature for metastatic cell lines
Authors Lazar I, Clement E, Ducoux-Petit M, Denat L, Soldan V, Dauvillier S, Balor S4, Burlet-Schiltz O1, Larue L, Muller C Nieto L
Journal name Pigment Cell Melanoma Res
Publication year 2015
Sample Melanoma cells
Sample name SKMEL28
Isolation/purification methods Differential centrifugation
Unltracentrifugation
Sucrose density gradient
Flotation density 1.13 - 1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
6
Experiment ID 260
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101
EV Cytosolic markers
✔
FLOT1|CD81
EV Membrane markers
✘ EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25950383    
Organism Homo sapiens
Experiment description Proteome characterization of melanoma exosomes reveals a specific signature for metastatic cell lines
Authors Lazar I, Clement E, Ducoux-Petit M, Denat L, Soldan V, Dauvillier S, Balor S4, Burlet-Schiltz O1, Larue L, Muller C Nieto L
Journal name Pigment Cell Melanoma Res
Publication year 2015
Sample Melanoma cells
Sample name 1205Lu
Isolation/purification methods Differential centrifugation
Unltracentrifugation
Sucrose density gradient
Flotation density 1.13 - 1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
7
Experiment ID 211
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101|Alix
EV Cytosolic markers
✔
EpCAM|TFRC
EV Membrane markers
✔
cytochrome c|GOLGA2
EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K.
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name IGROV1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
8
Experiment ID 212
ISEV standards
✔
CEM
EV Biophysical techniques
✔
TSG101|Alix
EV Cytosolic markers
✔
EpCAM|TFRC
EV Membrane markers
✔
Cytochrome C|GOLGA2
EV Negative markers
✘ EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K.
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name OVCAR-3
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for ENPP1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 INSR 3643
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
View the network image/svg+xml
 Pathways in which ENPP1 is involved
PathwayEvidenceSource
Vitamin B2 (riboflavin) metabolism TAS Reactome





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