Gene description for Atp1a2
Gene name ATPase, Na+/K+ transporting, alpha 2 polypeptide
Gene symbol Atp1a2
Other names/aliases RATATPA2
Species Rattus norvegicus
 Database cross references - Atp1a2
ExoCarta ExoCarta_24212
Vesiclepedia VP_24212
Entrez Gene 24212
UniProt P06686  
 Atp1a2 identified in sEVs derived from the following tissue/cell type
Pancreatic cancer cells 20124479    
Pancreatic cancer cells 20124479    
 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 ISO
    steroid binding GO:0005496 ISO
    protein binding GO:0005515 IPI
    ATP binding GO:0005524 IEA
    ATP binding GO:0005524 IMP
    ATP binding GO:0005524 ISO
    P-type potassium transmembrane transporter activity GO:0008556 IEA
    ATP hydrolysis activity GO:0016887 IEA
    ATP hydrolysis activity GO:0016887 ISO
    ATPase-coupled monoatomic cation transmembrane transporter activity GO:0019829 IMP
    ATPase-coupled monoatomic cation transmembrane transporter activity GO:0019829 ISO
    potassium ion binding GO:0030955 ISO
    sodium ion binding GO:0031402 ISO
    metal ion binding GO:0046872 IEA
    protein heterodimerization activity GO:0046982 IPI
    protein-folding chaperone binding GO:0051087 ISO
    steroid hormone binding GO:1990239 IDA
    steroid hormone binding GO:1990239 ISO
Biological Process
    neurotransmitter uptake GO:0001504 ISO
    neurotransmitter uptake GO:0001504 ISO
    behavioral fear response GO:0001662 ISO
    regulation of the force of heart contraction GO:0002026 ISO
    regulation of respiratory gaseous exchange by nervous system process GO:0002087 ISO
    potassium ion transport GO:0006813 IDA
    sodium ion transport GO:0006814 IDA
    sodium ion transport GO:0006814 IEA
    intracellular sodium ion homeostasis GO:0006883 IBA
    intracellular sodium ion homeostasis GO:0006883 ISO
    regulation of muscle contraction GO:0006937 ISO
    regulation of smooth muscle contraction GO:0006940 ISO
    regulation of striated muscle contraction GO:0006942 ISO
    blood circulation GO:0008015 ISO
    regulation of blood pressure GO:0008217 ISO
    adult locomotory behavior GO:0008344 ISO
    visual learning GO:0008542 ISO
    establishment or maintenance of transmembrane electrochemical gradient GO:0010248 IEA
    regulation of cardiac muscle contraction by calcium ion signaling GO:0010882 IC
    response to auditory stimulus GO:0010996 ISO
    energy coupled proton transmembrane transport, against electrochemical gradient GO:0015988 TAS
    neuronal action potential propagation GO:0019227 ISO
    regulation of vasoconstriction GO:0019229 ISO
    L-ascorbic acid metabolic process GO:0019852 ISO
    amygdala development GO:0021764 ISO
    olfactory cortex development GO:0021989 ISO
    intracellular potassium ion homeostasis GO:0030007 IBA
    intracellular potassium ion homeostasis GO:0030007 ISO
    response to nicotine GO:0035094 IDA
    locomotory exploration behavior GO:0035641 ISO
    sodium ion transmembrane transport GO:0035725 ISO
    response to potassium ion GO:0035864 ISO
    sodium ion export across plasma membrane GO:0036376 IBA
    sodium ion export across plasma membrane GO:0036376 ISO
    locomotion GO:0040011 ISO
    fear response GO:0042596 ISO
    negative regulation of heart contraction GO:0045822 ISO
    negative regulation of striated muscle contraction GO:0045988 ISO
    ATP metabolic process GO:0046034 ISO
    negative regulation of cytosolic calcium ion concentration GO:0051481 ISO
    membrane depolarization GO:0051899 ISO
    relaxation of cardiac muscle GO:0055119 IC
    cardiac muscle contraction GO:0060048 IC
    cellular response to mechanical stimulus GO:0071260 IDA
    cellular response to mechanical stimulus GO:0071260 IEP
    cellular response to steroid hormone stimulus GO:0071383 IMP
    cellular response to steroid hormone stimulus GO:0071383 ISO
    potassium ion transmembrane transport GO:0071805 IEA
    potassium ion transmembrane transport GO:0071805 ISO
    regulation of cardiac muscle cell contraction GO:0086004 IMP
    monoatomic cation transmembrane transport GO:0098655 ISO
    proton transmembrane transport GO:1902600 IBA
    proton transmembrane transport GO:1902600 IMP
    negative regulation of calcium ion transmembrane transport GO:1903170 IMP
    response to glycoside GO:1903416 IMP
    response to glycoside GO:1903416 ISO
    potassium ion import across plasma membrane GO:1990573 IBA
    potassium ion import across plasma membrane GO:1990573 ISO
Subcellular Localization
    cytoplasm GO:0005737 ISO
    endosome GO:0005768 IDA
    endoplasmic reticulum GO:0005783 ISO
    plasma membrane GO:0005886 IBA
    plasma membrane GO:0005886 IEA
    plasma membrane GO:0005886 ISO
    plasma membrane GO:0005886 ISO
    sodium:potassium-exchanging ATPase complex GO:0005890 IBA
    sodium:potassium-exchanging ATPase complex GO:0005890 IDA
    sodium:potassium-exchanging ATPase complex GO:0005890 ISO
    caveola GO:0005901 IDA
    cell surface GO:0009986 ISO
    intercalated disc GO:0014704 IDA
    membrane GO:0016020 IDA
    membrane GO:0016020 ISO
    T-tubule GO:0030315 IDA
    T-tubule GO:0030315 ISO
    organelle membrane GO:0031090 ISO
    protein-containing complex GO:0032991 ISO
    sarcolemma GO:0042383 IDA
    sarcolemma GO:0042383 ISO
    cell projection GO:0042995 IBA
    cell projection GO:0042995 ISO
    neuronal cell body GO:0043025 ISO
    dendritic spine GO:0043197 IDA
 Experiment description of studies that identified Atp1a2 in sEVs
1
Experiment ID 92
MISEV standards
EM
Biophysical techniques
HSP70|GAPDH|CD9|CD151
Enriched markers
Negative markers
Particle analysis
Identified molecule mrna
Identification method Microarray
PubMed ID 20124479    
Organism Rattus norvegicus
Experiment description Cell surface tetraspanin Tspan8 contributes to molecular pathways of exosome-induced endothelial cell activation.
Authors "Nazarenko I, Rana S, Baumann A, McAlear J, Hellwig A, Trendelenburg M, Lochnit G, Preissner KT, Zoller M."
Journal name CR
Publication year 2010
Sample Pancreatic cancer cells
Sample name AS
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.14-1.17 g/mL
Molecules identified in the study Protein
mRNA
Methods used in the study RT-PCR
Western blotting
RatRef-12 Microarray
FACS
Mass spectrometry [MALDI TOF]
2
Experiment ID 93
MISEV standards
EM
Biophysical techniques
HSP70|GAPDH|CD9|CD151
Enriched markers
Negative markers
Particle analysis
Identified molecule mrna
Identification method Microarray
PubMed ID 20124479    
Organism Rattus norvegicus
Experiment description Cell surface tetraspanin Tspan8 contributes to molecular pathways of exosome-induced endothelial cell activation.
Authors "Nazarenko I, Rana S, Baumann A, McAlear J, Hellwig A, Trendelenburg M, Lochnit G, Preissner KT, Zoller M."
Journal name CR
Publication year 2010
Sample Pancreatic cancer cells
Sample name AS-Tspan8
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.14-1.17 g/mL
Molecules identified in the study Protein
mRNA
Methods used in the study RT-PCR
Western blotting
 Protein-protein interactions for Atp1a2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 STXBP5L  
Affinity Capture-MS Homo sapiens
2 Itm2b 290364
Affinity Capture-MS Rattus norvegicus
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