Gene description for METAP1
Gene name methionyl aminopeptidase 1
Gene symbol METAP1
Other names/aliases MAP1A
MetAP1A
Species Homo sapiens
 Database cross references - METAP1
ExoCarta ExoCarta_23173
Vesiclepedia VP_23173
Entrez Gene 23173
HGNC 15789
MIM 610151
UniProt P53582  
 METAP1 identified in exosomes 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    
Gastric cancer cells 33991177    
Gastric cancer cells 33991177    
Gastric cancer cells 33991177    
Mesenchymal stem cells 36408942    
Pancreatic cancer cells 34108659    
Pancreatic cancer cells 34108659    
 Gene ontology annotations for METAP1
Molecular Function
    aminopeptidase activity GO:0004177 TAS
    metalloexopeptidase activity GO:0008235 TAS
    metal ion binding GO:0046872 IEA
    metalloaminopeptidase activity GO:0070006 IEA
Biological Process
    regulation of translation GO:0006417 TAS
    peptidyl-methionine modification GO:0018206 TAS
    protein initiator methionine removal GO:0070084 IEA
    rhodopsin mediated signaling pathway GO:0016056 TAS
    phototransduction, visible light GO:0007603 TAS
    regulation of rhodopsin mediated signaling pathway GO:0022400 TAS
    platelet aggregation GO:0070527 IMP
    proteolysis GO:0006508 IEA
    N-terminal protein amino acid modification GO:0031365 TAS
Subcellular Localization
    nucleus GO:0005634 IDA
    cytoplasm GO:0005737 TAS
    cytosolic ribosome GO:0022626 IEA
    cytosol GO:0005829 TAS
 Experiment description of studies that identified METAP1 in exosomes
1
Experiment ID 489
MISEV standards
✔
EM
EV Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
EV Enriched markers
✔
Canx
EV Negative markers
✔
NTA
EV 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
EV Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
EV Enriched markers
✔
Canx
EV Negative markers
✔
NTA
EV 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
EV Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
EV Enriched markers
✔
Canx
EV Negative markers
✔
NTA
EV 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
EV Biophysical techniques
✔
Cd9|Cd81|Cd63|Gapdh|Sdcbp|Lamp1|Aqp1|Rab5a|Icam1|Cd82|Itga2b|Tsg101|Lamp2|Rab35|Flot1|Flot2|Cd151|Rab5b|Tfrc|Uchl1
EV Enriched markers
✔
Canx
EV Negative markers
✔
NTA
EV 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
✘ EV Biophysical techniques
✔
SDCBP|FLOT1|CD81|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
EV Enriched markers
✔
CANX
EV Negative markers
✘ EV 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
✘ EV Biophysical techniques
✔
CD81|SDCBP|FLOT1|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
EV Enriched markers
✔
CANX
EV Negative markers
✘ EV 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
✘ EV Biophysical techniques
✔
SDCBP|FLOT1|CD81|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
EV Enriched markers
✔
CANX
EV Negative markers
✘ EV 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
✘ EV Biophysical techniques
✔
SDCBP|FLOT1|CD81|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
EV Enriched markers
✔
CANX
EV Negative markers
✘ EV 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
✘ EV Biophysical techniques
✔
CD81|SDCBP|FLOT1|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
EV Enriched markers
✔
CANX
EV Negative markers
✘ EV 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
✘ EV Biophysical techniques
✔
CD81|SDCBP|FLOT1|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
EV Enriched markers
✔
CANX
EV Negative markers
✘ EV 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 363
MISEV standards
✘ EV Biophysical techniques
✔
TSG101|GAPDH|AQP1|CD151|CD81|CD82|CD9|EPCAM|FLOT1|FLOT2|ICAM1|ITGA2B|LAMP2|RAB35|RAB5A|RAB5B|SDCBP|TFRC|UCHL1
EV Enriched markers
✔
DCLK1
EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 33991177    
Organism Homo sapiens
Experiment description Cancer stem cell marker DCLK1 reprograms small extracellular vesicles toward migratory phenotype in gastric cancer cells
Authors Carli ALE, Afshar-Sterle S, Rai A, Fang H, O'Keefe R, Tse J, Ferguson FM, Gray NS, Ernst M, Greening DW, Buchert M.
Journal name Proteomics
Publication year 2021
Sample Gastric cancer cells
Sample name MKN1 - 100K pellet
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
12
Experiment ID 364
MISEV standards
✘ EV Biophysical techniques
✔
TSG101|GAPDH|AQP1|CD151|CD81|CD82|CD9|EPCAM|FLOT1|FLOT2|ICAM1|ITGA2B|LAMP2|RAB35|RAB5A|RAB5B|SDCBP|TFRC|UCHL1
EV Enriched markers
✔
DCLK1
EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 33991177    
Organism Homo sapiens
Experiment description Cancer stem cell marker DCLK1 reprograms small extracellular vesicles toward migratory phenotype in gastric cancer cells
Authors Carli ALE, Afshar-Sterle S, Rai A, Fang H, O'Keefe R, Tse J, Ferguson FM, Gray NS, Ernst M, Greening DW, Buchert M.
Journal name Proteomics
Publication year 2021
Sample Gastric cancer cells
Sample name MKN1 - 100K pellet
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
13
Experiment ID 365
MISEV standards
✘ EV Biophysical techniques
✔
TSG101|GAPDH|AQP1|CD151|CD81|CD82|CD9|EPCAM|FLOT1|FLOT2|ICAM1|ITGA2B|LAMP2|RAB35|RAB5A|RAB5B|SDCBP|TFRC|UCHL1
EV Enriched markers
✔
DCLK1
EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 33991177    
Organism Homo sapiens
Experiment description Cancer stem cell marker DCLK1 reprograms small extracellular vesicles toward migratory phenotype in gastric cancer cells
Authors Carli ALE, Afshar-Sterle S, Rai A, Fang H, O'Keefe R, Tse J, Ferguson FM, Gray NS, Ernst M, Greening DW, Buchert M.
Journal name Proteomics
Publication year 2021
Sample Gastric cancer cells
Sample name MKN1 - 100K pellet
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
14
Experiment ID 488
MISEV standards
✔
EM
EV Biophysical techniques
✔
CD9|CD81|CD63|GAPDH|SDCBP|LAMP1|TFRC|UCHL1|FLOT2|LAMP2|FLOT1|ICAM1|RAB5B|CD151|RAB35|TSG101|RAB5A|CD82
EV Enriched markers
✔
CANX
EV Negative markers
✔
NTA
EV 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
15
Experiment ID 434
MISEV standards
✘ EV Biophysical techniques
✔
SDCBP|FLOT1|CD81|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
EV Enriched markers
✔
CANX
EV Negative markers
✘ EV 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
16
Experiment ID 435
MISEV standards
✘ EV Biophysical techniques
✔
CD81|SDCBP|FLOT1|CD9|CD151|FLOT2|TSG101|LAMP1|TFRC|RAB5A|RAB35|GAPDH|UCHL1|ICAM1
EV Enriched markers
✔
CANX
EV Negative markers
✘ EV 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
 Protein-protein interactions for METAP1
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.
 Pathways in which METAP1 is involved
PathwayEvidenceSource
Inactivation, recovery and regulation of the phototransduction cascade TAS Reactome





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