Gene description for Atp2b4
Gene name ATPase, Ca++ transporting, plasma membrane 4
Gene symbol Atp2b4
Other names/aliases PMCA4
Species Rattus norvegicus
 Database cross references - Atp2b4
ExoCarta ExoCarta_29600
Vesiclepedia VP_29600
Entrez Gene 29600
UniProt Q64542  
 Atp2b4 identified in sEVs derived from the following tissue/cell type
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
 Gene ontology annotations for Atp2b4
Molecular Function
    P-type calcium transporter activity GO:0005388 IBA
    P-type calcium transporter activity GO:0005388 IC
    P-type calcium transporter activity GO:0005388 IDA
    P-type calcium transporter activity GO:0005388 IEA
    P-type calcium transporter activity GO:0005388 ISO
    calmodulin binding GO:0005516 IEA
    calmodulin binding GO:0005516 ISO
    ATP binding GO:0005524 IEA
    calcium ion transmembrane transporter activity GO:0015085 ISO
    ATP hydrolysis activity GO:0016887 IEA
    sodium channel regulator activity GO:0017080 ISO
    protein kinase binding GO:0019901 IPI
    PDZ domain binding GO:0030165 IPI
    protein phosphatase 2B binding GO:0030346 ISO
    nitric-oxide synthase inhibitor activity GO:0036487 ISO
    metal ion binding GO:0046872 IEA
    nitric-oxide synthase binding GO:0050998 ISO
    scaffold protein binding GO:0097110 ISO
Biological Process
    neural retina development GO:0003407 IEP
    regulation of transcription by RNA polymerase II GO:0006357 ISO
    calcium ion transport GO:0006816 IDA
    intracellular calcium ion homeostasis GO:0006874 ISO
    intracellular calcium ion homeostasis GO:0006874 ISS
    spermatogenesis GO:0007283 IEP
    negative regulation of gene expression GO:0010629 ISO
    urinary bladder smooth muscle contraction GO:0014832 ISO
    urinary bladder smooth muscle contraction GO:0014832 ISS
    negative regulation of angiogenesis GO:0016525 ISO
    hippocampus development GO:0021766 IEP
    flagellated sperm motility GO:0030317 ISO
    flagellated sperm motility GO:0030317 ISS
    nitric oxide-cGMP-mediated signaling GO:0038060 ISO
    negative regulation of blood vessel endothelial cell migration GO:0043537 ISO
    negative regulation of nitric oxide biosynthetic process GO:0045019 ISO
    negative regulation of nitric-oxide synthase activity GO:0051001 ISO
    regulation of cytosolic calcium ion concentration GO:0051480 IBA
    response to hydrostatic pressure GO:0051599 ISO
    calcium ion transmembrane transport GO:0070588 IEA
    calcium ion transmembrane transport GO:0070588 IMP
    calcium ion transmembrane transport GO:0070588 ISO
    negative regulation of calcineurin-NFAT signaling cascade GO:0070885 IMP
    negative regulation of calcineurin-NFAT signaling cascade GO:0070885 ISO
    cellular response to epinephrine stimulus GO:0071872 ISO
    negative regulation of adenylate cyclase-activating adrenergic receptor signaling pathway GO:0071878 ISO
    negative regulation of the force of heart contraction GO:0098736 ISO
    negative regulation of arginine catabolic process GO:1900082 ISO
    calcium ion export GO:1901660 IMP
    calcium ion export GO:1901660 ISO
    negative regulation of cellular response to vascular endothelial growth factor stimulus GO:1902548 ISO
    regulation of cell cycle G1/S phase transition GO:1902806 ISO
    positive regulation of protein localization to plasma membrane GO:1903078 ISO
    negative regulation of cardiac muscle hypertrophy in response to stress GO:1903243 ISO
    negative regulation of citrulline biosynthetic process GO:1903249 ISO
    cellular response to acetylcholine GO:1905145 ISO
    cellular response to acetylcholine GO:1905145 ISS
Subcellular Localization
    plasma membrane GO:0005886 IBA
    plasma membrane GO:0005886 IEA
    plasma membrane GO:0005886 ISO
    membrane GO:0016020 ISO
    basolateral plasma membrane GO:0016323 IDA
    Z disc GO:0030018 ISO
    T-tubule GO:0030315 ISO
    protein-containing complex GO:0032991 ISO
    sperm flagellum GO:0036126 ISO
    sarcolemma GO:0042383 ISO
    intracellular membrane-bounded organelle GO:0043231 IBA
    membrane raft GO:0045121 ISO
    presynaptic active zone membrane GO:0048787 EXP
    presynaptic active zone membrane GO:0048787 IDA
    sperm principal piece GO:0097228 IDA
    glutamatergic synapse GO:0098978 EXP
    glutamatergic synapse GO:0098978 IDA
 Experiment description of studies that identified Atp2b4 in sEVs
1
Experiment ID 90
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E"
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D2 Rep 1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
2
Experiment ID 94
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E."
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D4 Rep 1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
3
Experiment ID 95
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E."
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D7 Rep 1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.25 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
4
Experiment ID 99
MISEV standards
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry [QSTAR]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E."
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D2 Rep 3
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
 Protein-protein interactions for Atp2b4
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Itm2b 290364
Affinity Capture-MS Rattus norvegicus
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