Gene description for ATP1A2
Gene name ATPase, Na+/K+ transporting, alpha 2 polypeptide
Gene symbol ATP1A2
Other names/aliases FHM2
MHP2
Species Homo sapiens
 Database cross references - ATP1A2
ExoCarta ExoCarta_477
Vesiclepedia VP_477
Entrez Gene 477
HGNC 800
MIM 182340
UniProt P50993  
 ATP1A2 identified in sEVs derived from the following tissue/cell type
Colorectal cancer cells 17956143    
Colorectal cancer cells 19837982    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Neuroblastoma cells 25944692    
Prostate cancer cells 25844599    
Retinal pigment epithelial cells 35333565    
Retinal pigment epithelial cells 35333565    
 Gene ontology annotations for ATP1A2
Molecular Function
    P-type sodium:potassium-exchanging transporter activity GO:0005391 IBA
    P-type sodium:potassium-exchanging transporter activity GO:0005391 IDA
    P-type sodium:potassium-exchanging transporter activity GO:0005391 IGI
    P-type sodium:potassium-exchanging transporter activity GO:0005391 IMP
    P-type sodium:potassium-exchanging transporter activity GO:0005391 ISS
    steroid binding GO:0005496 IPI
    protein binding GO:0005515 IPI
    ATP binding GO:0005524 IMP
    phosphatase activity GO:0016791 ISS
    ATP hydrolysis activity GO:0016887 IMP
    ATPase-coupled monoatomic cation transmembrane transporter activity GO:0019829 IDA
    ATPase-coupled monoatomic cation transmembrane transporter activity GO:0019829 IGI
    potassium ion binding GO:0030955 IMP
    sodium ion binding GO:0031402 IMP
    protein heterodimerization activity GO:0046982 ISS
    protein-folding chaperone binding GO:0051087 IPI
    steroid hormone binding GO:1990239 IDA
Biological Process
    neurotransmitter uptake GO:0001504 ISS
    behavioral fear response GO:0001662 ISS
    regulation of the force of heart contraction GO:0002026 ISS
    regulation of respiratory gaseous exchange by nervous system process GO:0002087 ISS
    potassium ion transport GO:0006813 NAS
    sodium ion transport GO:0006814 NAS
    intracellular sodium ion homeostasis GO:0006883 IBA
    intracellular sodium ion homeostasis GO:0006883 IDA
    regulation of muscle contraction GO:0006937 ISS
    regulation of smooth muscle contraction GO:0006940 IEA
    regulation of striated muscle contraction GO:0006942 NAS
    regulation of blood pressure GO:0008217 IEA
    adult locomotory behavior GO:0008344 IEA
    visual learning GO:0008542 IEA
    establishment or maintenance of transmembrane electrochemical gradient GO:0010248 IEA
    regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion GO:0010881 TAS
    response to auditory stimulus GO:0010996 ISS
    neuronal action potential propagation GO:0019227 IEA
    regulation of vasoconstriction GO:0019229 IEA
    L-ascorbic acid metabolic process GO:0019852 IEA
    amygdala development GO:0021764 ISS
    olfactory cortex development GO:0021989 ISS
    intracellular potassium ion homeostasis GO:0030007 IBA
    intracellular potassium ion homeostasis GO:0030007 IC
    intracellular potassium ion homeostasis GO:0030007 IDA
    response to nicotine GO:0035094 IEA
    locomotory exploration behavior GO:0035641 ISS
    sodium ion transmembrane transport GO:0035725 IGI
    response to potassium ion GO:0035864 IEA
    sodium ion export across plasma membrane GO:0036376 IBA
    sodium ion export across plasma membrane GO:0036376 IDA
    locomotion GO:0040011 ISS
    negative regulation of heart contraction GO:0045822 ISS
    positive regulation of heart contraction GO:0045823 ISS
    negative regulation of striated muscle contraction GO:0045988 IEA
    ATP metabolic process GO:0046034 IMP
    negative regulation of cytosolic calcium ion concentration GO:0051481 ISS
    regulation of glutamate uptake involved in transmission of nerve impulse GO:0051946 NAS
    regulation of synaptic transmission, glutamatergic GO:0051966 NAS
    relaxation of cardiac muscle GO:0055119 TAS
    cardiac muscle contraction GO:0060048 TAS
    cellular response to mechanical stimulus GO:0071260 IEA
    cellular response to steroid hormone stimulus GO:0071383 IDA
    potassium ion transmembrane transport GO:0071805 IGI
    regulation of cardiac muscle cell contraction GO:0086004 IEA
    membrane repolarization GO:0086009 TAS
    membrane depolarization during cardiac muscle cell action potential GO:0086012 TAS
    cell communication by electrical coupling involved in cardiac conduction GO:0086064 TAS
    monoatomic cation transmembrane transport GO:0098655 IDA
    monoatomic cation transmembrane transport GO:0098655 IGI
    transport across blood-brain barrier GO:0150104 NAS
    proton transmembrane transport GO:1902600 IBA
    negative regulation of calcium ion transmembrane transport GO:1903170 ISS
    response to glycoside GO:1903416 IC
    response to glycoside GO:1903416 ISS
    potassium ion import across plasma membrane GO:1990573 IBA
    potassium ion import across plasma membrane GO:1990573 IC
    potassium ion import across plasma membrane GO:1990573 IDA
Subcellular Localization
    cytoplasm GO:0005737 IDA
    endosome GO:0005768 IEA
    endoplasmic reticulum GO:0005783 IEA
    plasma membrane GO:0005886 IBA
    plasma membrane GO:0005886 IDA
    plasma membrane GO:0005886 IGI
    plasma membrane GO:0005886 TAS
    sodium:potassium-exchanging ATPase complex GO:0005890 IBA
    sodium:potassium-exchanging ATPase complex GO:0005890 IC
    sodium:potassium-exchanging ATPase complex GO:0005890 IDA
    sodium:potassium-exchanging ATPase complex GO:0005890 IGI
    sodium:potassium-exchanging ATPase complex GO:0005890 ISS
    caveola GO:0005901 IEA
    cell surface GO:0009986 IEA
    intercalated disc GO:0014704 IEA
    membrane GO:0016020 IDA
    membrane GO:0016020 ISS
    T-tubule GO:0030315 IGI
    organelle membrane GO:0031090 IGI
    cell projection GO:0042995 IBA
    cell projection GO:0042995 ISS
    neuronal cell body GO:0043025 ISS
    dendritic spine GO:0043197 IEA
    extracellular vesicle GO:1903561 HDA
 Experiment description of studies that identified ATP1A2 in sEVs
1
Experiment ID 20
MISEV standards
EM
Biophysical techniques
HSP90|CD63|CD81|LAMP1
Enriched markers
GOLGA2|cytochrome c
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 17956143    
Organism Homo sapiens
Experiment description Proteomic analysis of microvesicles derived from human colorectal cancer cells.
Authors "Choi DS, Lee JM, Park GW, Lim HW, Bang JY, Kim YK, Kwon KH, Kwon HJ, Kim KP, Gho YS"
Journal name JPR
Publication year 2007
Sample Colorectal cancer cells
Sample name HT29
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Diafiltration
Flotation density 1.16 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
2
Experiment ID 21
MISEV standards
EM|IEM
Biophysical techniques
Alix|TSG101|HSP70|CD63
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method
Mass spectrometry   
PubMed ID 19837982    
Organism Homo sapiens
Experiment description Proteomic and bioinformatic analysis of immunoaffinity-purified exosomes derived from the human colon tumor cell line LIM1215.
Authors "Suresh Mathivanan, Justin W.E. Lim, Bow J. Tauro, Hong Ji, Robert L. Moritz and Richard J. Simpson"
Journal name MCP
Publication year 2009
Sample Colorectal cancer cells
Sample name LIM1215
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.10-1.12 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [Orbitrap]
Western blotting
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 275
MISEV standards
EM
Biophysical techniques
TSG101|Alix|RAB5A|CD9|CD82|CD63|CD81
Enriched markers
AIF
Negative markers
NTA
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25844599    
Organism Homo sapiens
Experiment description Molecular profiling of prostate cancer derived exosomes may reveal a predictive signature for response to docetaxel.
Authors "Kharaziha P, Chioureas D, Rutishauser D, Baltatzis G, Lennartsson L, Fonseca P, Azimi A, Hultenby K, Zubarev R, Ullen A, Yachnin J, Nilsson S, Panaretakis T."
Journal name Oncotarget
Publication year 2015
Sample Prostate cancer cells
Sample name DU145 - Docetaxel sensitive
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.12-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry/Flow cytometry/Western blotting
8
Experiment ID 834
MISEV standards
EM
Biophysical techniques
LAMP2|CD63|FLOT1|ITGA2B|ICAM1|CD9|CD151|TFRC|RAB5A|GAPDH|AQP1|TSG101
Enriched markers
CANX
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 35333565    
Organism Homo sapiens
Experiment description LAMP2A regulates the loading of proteins into exosomes
Authors "Ferreira JV, da Rosa Soares A, Ramalho J, Máximo Carvalho C, Cardoso MH, Pintado P, Carvalho AS, Beck HC, Matthiesen R, Zuzarte M, Girão H, van Niel G, Pereira P"
Journal name Sci Adv
Publication year 2022
Sample Retinal pigment epithelial cells
Sample name ARPE-19
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
9
Experiment ID 835
MISEV standards
EM
Biophysical techniques
CD63|FLOT1|ITGA2B|ICAM1|CD9|CD151|TFRC|RAB5A|GAPDH|AQP1|TSG101
Enriched markers
CANX
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 35333565    
Organism Homo sapiens
Experiment description LAMP2A regulates the loading of proteins into exosomes
Authors "Ferreira JV, da Rosa Soares A, Ramalho J, Máximo Carvalho C, Cardoso MH, Pintado P, Carvalho AS, Beck HC, Matthiesen R, Zuzarte M, Girão H, van Niel G, Pereira P"
Journal name Sci Adv
Publication year 2022
Sample Retinal pigment epithelial cells
Sample name ARPE-19
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
 Protein-protein interactions for ATP1A2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 AQP5 362
Affinity Capture-MS Homo sapiens
2 ROGDI 79641
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
3 LIMK1 3984
Affinity Capture-MS Homo sapiens
4 ATP6V0A4 50617
Affinity Capture-MS Homo sapiens
5 CNGA4  
Affinity Capture-MS Homo sapiens
6 LGR4 55366
Affinity Capture-MS Homo sapiens
7 ATP6V0D1 9114
Co-fractionation Homo sapiens
8 RAB1A 5861
Co-fractionation Homo sapiens
9 ATP1A3 478
Affinity Capture-MS Homo sapiens
Cross-Linking-MS (XL-MS) Homo sapiens
10 DOCK5 80005
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
11 PRNP 5621
Affinity Capture-MS Homo sapiens
12 TPX2  
Affinity Capture-MS Homo sapiens
13 FBXO25  
Affinity Capture-MS Homo sapiens
14 CUL3 8452
Affinity Capture-MS Homo sapiens
15 HIST1H4A 8359
Affinity Capture-MS Homo sapiens
16 ZNRF1  
Affinity Capture-MS Homo sapiens
Affinity Capture-Western Homo sapiens
17 CAND1 55832
Affinity Capture-MS Homo sapiens
18 ARHGEF16 27237
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
19 P2RY8  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
20 CCT7 10574
Co-fractionation Homo sapiens
21 ZNRF2 223082
Affinity Capture-MS Homo sapiens
Affinity Capture-Western Homo sapiens
Co-fractionation Homo sapiens
22 IL2RA  
Affinity Capture-MS Homo sapiens
23 SPPL2B 56928
Affinity Capture-MS Homo sapiens
24 ATP6V1A 523
Co-fractionation Homo sapiens
25 ATP1A1 476
Cross-Linking-MS (XL-MS) Homo sapiens
Cross-Linking-MS (XL-MS) Homo sapiens
26 SERBP1 26135
Affinity Capture-MS Homo sapiens
27 KCTD21 283219
Affinity Capture-MS Homo sapiens
28 CLTC 1213
Co-fractionation Homo sapiens
29 C3orf62  
Affinity Capture-MS Homo sapiens
30 VDAC2 7417
Co-fractionation Homo sapiens
31 VDAC1 7416
Co-fractionation Homo sapiens
View the network image/svg+xml



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