Gene description for PPT1
Gene name palmitoyl-protein thioesterase 1
Gene symbol PPT1
Other names/aliases CLN1
INCL
PPT
Species Homo sapiens
 Database cross references - PPT1
ExoCarta ExoCarta_5538
Entrez Gene 5538
HGNC 9325
MIM 600722
UniProt P50897  
 PPT1 identified in exosomes derived from the following tissue/cell type
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
 Gene ontology annotations for PPT1
Molecular Function
    palmitoyl-CoA hydrolase activity GO:0016290 ISS
    palmitoyl-(protein) hydrolase activity GO:0008474 ISS
Biological Process
    sphingolipid catabolic process GO:0030149 TAS
    response to stimulus GO:0050896 IEA
    cofactor metabolic process GO:0051186 IMP
    lysosomal lumen acidification GO:0007042 IMP
    regulation of phospholipase A2 activity GO:0032429 IEA
    associative learning GO:0008306 IEA
    nervous system development GO:0007399 IMP
    receptor-mediated endocytosis GO:0006898 IMP
    negative regulation of apoptotic process GO:0043066 IDA
    membrane raft organization GO:0031579 IMP
    protein depalmitoylation GO:0002084 ISS
    cofactor transport GO:0051181 IMP
    positive regulation of receptor-mediated endocytosis GO:0048260 IMP
    grooming behavior GO:0007625 IEA
    regulation of synapse structure or activity GO:0050803 NAS
    brain development GO:0007420 IMP
    lipid catabolic process GO:0016042 IDA
    cellular protein catabolic process GO:0044257 IEA
    positive regulation of pinocytosis GO:0048549 IMP
    protein catabolic process GO:0030163 NAS
    visual perception GO:0007601 IEA
    pinocytosis GO:0006907 IMP
    negative regulation of cell growth GO:0030308 IMP
    neuron development GO:0048666 TAS
    neurotransmitter secretion GO:0007269 IEA
    protein transport GO:0015031 IMP
    adult locomotory behavior GO:0008344 IEA
    negative regulation of neuron apoptotic process GO:0043524 IMP
Subcellular Localization
    synaptic vesicle GO:0008021 IDA
    nucleus GO:0005634 IDA
    lysosomal lumen GO:0043202 IMP
    axon GO:0030424 IDA
    cytosol GO:0005829 ISS
    extracellular region GO:0005576 ISS
    dendrite GO:0030425 IEA
    extracellular space GO:0005615 IEA
    extracellular exosome GO:0070062 IDA
    Golgi apparatus GO:0005794 IDA
    membrane GO:0016020 IDA
    membrane raft GO:0045121 IDA
    lysosome GO:0005764 ISS
    neuronal cell body GO:0043025 IEA
 Experiment description of studies that identified PPT1 in exosomes
1
Experiment ID 207
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name DKO-1
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
2
Experiment ID 208
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name Dks-8
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 209
ISEV standards
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name DLD-1
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
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
5
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 PPT1
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.
 Pathways in which PPT1 is involved
No pathways found





Perform bioinformatics analysis of your extracellular vesicle data set using FunRich, a open access standalone tool. NEW UPDATED VERSION OF FunRich available for download (12/09/2016) from here