Gene description for ATP1A4
Gene name ATPase, Na+/K+ transporting, alpha 4 polypeptide
Gene symbol ATP1A4
Other names/aliases ATP1A1
ATP1AL2
Species Homo sapiens
 Database cross references - ATP1A4
ExoCarta ExoCarta_480
Vesiclepedia VP_480
Entrez Gene 480
HGNC 14073
MIM 607321
UniProt Q13733  
 ATP1A4 identified in sEVs derived from the following tissue/cell type
Breast cancer cells 30918259    
Breast cancer cells 30918259    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Neuroblastoma cells 25944692    
Thymus 23844026    
 Gene ontology annotations for ATP1A4
Molecular Function
    P-type sodium:potassium-exchanging transporter activity GO:0005391 IBA
    P-type sodium:potassium-exchanging transporter activity GO:0005391 IGI
    P-type sodium:potassium-exchanging transporter activity GO:0005391 ISS
    P-type sodium:potassium-exchanging transporter activity GO:0005391 TAS
    protein binding GO:0005515 IPI
    ATP binding GO:0005524 IEA
    ATP hydrolysis activity GO:0016887 IEA
    ATPase-coupled monoatomic cation transmembrane transporter activity GO:0019829 IGI
    kinase binding GO:0019900 ISS
    metal ion binding GO:0046872 IEA
Biological Process
    monoatomic ion transport GO:0006811 NAS
    potassium ion transport GO:0006813 TAS
    sodium ion transport GO:0006814 TAS
    intracellular sodium ion homeostasis GO:0006883 IBA
    cell surface receptor signaling pathway GO:0007166 ISS
    spermatogenesis GO:0007283 IEA
    fertilization GO:0009566 IEA
    establishment or maintenance of transmembrane electrochemical gradient GO:0010248 IEA
    intracellular potassium ion homeostasis GO:0030007 IBA
    flagellated sperm motility GO:0030317 IDA
    flagellated sperm motility GO:0030317 IMP
    regulation of cellular pH GO:0030641 IDA
    sodium ion transmembrane transport GO:0035725 IGI
    sodium ion transmembrane transport GO:0035725 ISS
    sodium ion export across plasma membrane GO:0036376 IBA
    regulation of membrane potential GO:0042391 IEA
    establishment of localization in cell GO:0051649 IEA
    potassium ion transmembrane transport GO:0071805 IGI
    potassium ion transmembrane transport GO:0071805 ISS
    transport across blood-brain barrier GO:0150104 NAS
    proton transmembrane transport GO:1902600 IBA
    proton transmembrane transport GO:1902600 TAS
    potassium ion import across plasma membrane GO:1990573 IBA
Subcellular Localization
    plasma membrane GO:0005886 IBA
    plasma membrane GO:0005886 NAS
    plasma membrane GO:0005886 TAS
    sodium:potassium-exchanging ATPase complex GO:0005890 IBA
    sodium:potassium-exchanging ATPase complex GO:0005890 IPI
    sodium:potassium-exchanging ATPase complex GO:0005890 TAS
    cell projection GO:0042995 IBA
    membrane raft GO:0045121 ISS
    sperm midpiece GO:0097225 IDA
    photoreceptor cell cilium GO:0097733 IDA
    rod photoreceptor outer segment GO:0120200 IDA
 Experiment description of studies that identified ATP1A4 in sEVs
1
Experiment ID 924
MISEV standards
EM
Biophysical techniques
CD9|SDCBP|CD81|RAB35|LAMP2|FLOT1|TSG101|CD63
Enriched markers
Negative markers
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 30918259    
Organism Homo sapiens
Experiment description Sulfisoxazole inhibits the secretion of small extracellular vesicles by targeting the endothelin receptor A
Authors "Im EJ, Lee CH, Moon PG, Rangaswamy GG, Lee B, Lee JM, Lee JC, Jee JG, Bae JS, Kwon TK, Kang KW, Jeong MS, Lee JE, Jung HS, Ro HJ, Jun S, Kang W, Seo SY, Cho YE, Song BJ, Baek MC."
Journal name Nat Commun
Publication year 2019
Sample Breast cancer cells
Sample name MDA-MB-231
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
2
Experiment ID 927
MISEV standards
EM
Biophysical techniques
CD9|SDCBP|CD81|RAB35|LAMP2|CD63
Enriched markers
Negative markers
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 30918259    
Organism Homo sapiens
Experiment description Sulfisoxazole inhibits the secretion of small extracellular vesicles by targeting the endothelin receptor A
Authors "Im EJ, Lee CH, Moon PG, Rangaswamy GG, Lee B, Lee JM, Lee JC, Jee JG, Bae JS, Kwon TK, Kang KW, Jeong MS, Lee JE, Jung HS, Ro HJ, Jun S, Kang W, Seo SY, Cho YE, Song BJ, Baek MC."
Journal name Nat Commun
Publication year 2019
Sample Breast cancer cells
Sample name MDA-MB-231
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
3
Experiment ID 207
MISEV standards
EM
Biophysical techniques
TSG101|HSP70|FLOT1
Enriched markers
VDAC
Negative markers
NTA
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
4
Experiment ID 208
MISEV standards
EM
Biophysical techniques
TSG101|HSP70|FLOT1
Enriched markers
VDAC
Negative markers
NTA
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
5
Experiment ID 209
MISEV standards
Biophysical techniques
TSG101|HSP70|FLOT1
Enriched markers
VDAC
Negative markers
NTA
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
6
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
7
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 ATP1A4
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 KLHL9 55958
Affinity Capture-MS Homo sapiens
2 CTAG1A  
Two-hybrid Homo sapiens
3 IZUMO1  
Affinity Capture-MS Homo sapiens
4 CHTOP  
Affinity Capture-MS Homo sapiens
5 ATP1A3 478
Cross-Linking-MS (XL-MS) Homo sapiens
6 C5orf24 134553
Affinity Capture-MS Homo sapiens
7 LRRCC1  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
8 CTAG1B  
Two-hybrid Homo sapiens
9 ATP1B4  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
10 CUL3 8452
Affinity Capture-MS Homo sapiens
11 HIST1H4A 8359
Affinity Capture-MS Homo sapiens
12 RIC8A 60626
Two-hybrid Homo sapiens
13 CAND1 55832
Affinity Capture-MS Homo sapiens
14 P2RY8  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
15 CHRM3 1131
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
16 RPGR  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
17 WWC1  
Affinity Capture-MS Homo sapiens
18 ATP1A1 476
Cross-Linking-MS (XL-MS) Homo sapiens
19 CD244 51744
Affinity Capture-MS Homo sapiens
20 COPS5 10987
Affinity Capture-MS Homo sapiens
21 PRKAR1B  
Affinity Capture-MS Homo sapiens
22 CYLD  
Affinity Capture-MS Homo sapiens
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