Gene description for Letm1
Gene name leucine zipper-EF-hand containing transmembrane protein 1
Gene symbol Letm1
Other names/aliases -
Species Rattus norvegicus
 Database cross references - Letm1
ExoCarta ExoCarta_305457
Vesiclepedia VP_305457
Entrez Gene 305457
UniProt Q5XIN6  
 Letm1 identified in sEVs derived from the following tissue/cell type
Reticulocytes 21828046    
 Gene ontology annotations for Letm1
Molecular Function
    calcium:proton antiporter activity GO:0015369 IBA
    calcium:proton antiporter activity GO:0015369 IEA
    calcium:proton antiporter activity GO:0015369 ISO
    calcium:proton antiporter activity GO:0015369 ISS
    ribosome binding GO:0043022 IEA
    metal ion binding GO:0046872 IEA
Biological Process
    calcium ion transport GO:0006816 ISO
    mitochondrial calcium ion transmembrane transport GO:0006851 IBA
    mitochondrial calcium ion transmembrane transport GO:0006851 ISO
    mitochondrial calcium ion transmembrane transport GO:0006851 ISS
    mitochondrion organization GO:0007005 IBA
    inner mitochondrial membrane organization GO:0007007 ISO
    inner mitochondrial membrane organization GO:0007007 ISS
    protein hexamerization GO:0034214 IEA
    protein hexamerization GO:0034214 ISO
    protein hexamerization GO:0034214 ISS
    cristae formation GO:0042407 IEA
    cristae formation GO:0042407 ISO
    protein homooligomerization GO:0051260 IEA
    protein homooligomerization GO:0051260 ISO
    protein homooligomerization GO:0051260 ISS
    mitochondrial calcium ion homeostasis GO:0051560 ISO
    mitochondrial calcium ion homeostasis GO:0051560 ISS
    negative regulation of mitochondrial calcium ion concentration GO:0051562 IEA
    negative regulation of mitochondrial calcium ion concentration GO:0051562 ISO
    negative regulation of mitochondrial calcium ion concentration GO:0051562 ISS
    calcium export from the mitochondrion GO:0099093 IEA
    calcium export from the mitochondrion GO:0099093 ISO
    calcium export from the mitochondrion GO:0099093 ISS
    mitochondrial potassium ion transmembrane transport GO:0140141 IEA
    mitochondrial potassium ion transmembrane transport GO:0140141 ISO
    mitochondrial potassium ion transmembrane transport GO:0140141 ISS
    regulation of cellular hyperosmotic salinity response GO:1900069 IEA
    regulation of cellular hyperosmotic salinity response GO:1900069 ISO
    regulation of cellular hyperosmotic salinity response GO:1900069 ISS
    proton transmembrane transport GO:1902600 IEA
Subcellular Localization
    mitochondrion GO:0005739 IBA
    mitochondrion GO:0005739 ISO
    mitochondrial inner membrane GO:0005743 IEA
    mitochondrial inner membrane GO:0005743 ISO
    mitochondrial inner membrane GO:0005743 ISS
 Experiment description of studies that identified Letm1 in sEVs
1
Experiment ID 97
MISEV standards
EM
Biophysical techniques
TSG101|HSP90|HSC70|MHCI
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 2
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 Letm1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Itm2b 290364
Affinity Capture-MS Rattus norvegicus
View the network image/svg+xml



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