Gene description for Rap1a
Gene name RAS-related protein-1a
Gene symbol Rap1a
Other names/aliases AI848598
G-22K
Krev-1
Rap1
Species Mus musculus
 Database cross references - Rap1a
ExoCarta ExoCarta_109905
Entrez Gene 109905
UniProt P62835  
 Rap1a identified in exosomes derived from the following tissue/cell type
Macrophages 23658846    
Macrophages 23658846    
Macrophages 23658846    
Mast cells 17486113    
Oligodendrocytes 21136642    
Pancreatic cells 19351151    
 Gene ontology annotations for Rap1a
Molecular Function
    GTPase activity GO:0003924 IDA
    Rap guanyl-nucleotide exchange factor activity GO:0017034 ISO
    Ras GTPase binding GO:0017016 IPI
    GTP binding GO:0005525 IEA
    protein binding GO:0005515 IPI
    protein complex binding GO:0032403 ISO
    protein transporter activity GO:0008565 ISO
    nucleotide binding GO:0000166 IEA
Biological Process
    nervous system development GO:0007399 IEA
    nerve growth factor signaling pathway GO:0038180 ISO
    positive regulation of neuron projection development GO:0010976 ISO
    positive regulation of ERK1 and ERK2 cascade GO:0070374 ISO
    establishment of endothelial barrier GO:0061028 ISO
    cellular response to nerve growth factor stimulus GO:1990090 ISO
    regulation of cell junction assembly GO:1901888 ISO
    cellular response to cAMP GO:0071320 ISO
    positive regulation of GTPase activity GO:0043547 ISO
    signal transduction GO:0007165 IEA
    negative regulation of synaptic vesicle exocytosis GO:2000301 IGI
    small GTPase mediated signal transduction GO:0007264 IDA
    positive regulation of protein kinase activity GO:0045860 ISO
    protein transport GO:0015031 ISO
    Rap protein signal transduction GO:0032486 ISO
    positive regulation of vasculogenesis GO:2001214 IMP
Subcellular Localization
    early endosome GO:0005769 ISO
    late endosome GO:0005770 ISO
    cytoplasm GO:0005737 ISO
    neuron projection GO:0043005 IDA
    guanyl-nucleotide exchange factor complex GO:0032045 IDA
    myelin sheath GO:0043209 IDA
    endosome GO:0005768 IEA
    membrane GO:0016020 IEA
    plasma membrane GO:0005886 IDA
    perinuclear region of cytoplasm GO:0048471 ISO
    cell junction GO:0030054 IDA
    extracellular exosome GO:0070062 ISO
 Experiment description of studies that identified Rap1a in exosomes
1
Experiment ID 214
ISEV standards
EM
EV Biophysical techniques
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors Hassani K, Olivier M.
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name Leishmania-infected-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
2
Experiment ID 215
ISEV standards
EM
EV Biophysical techniques
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors Hassani K, Olivier M.
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name LPS-treated-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 216
ISEV standards
EM
EV Biophysical techniques
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors Hassani K, Olivier M.
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name Normal-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
Experiment ID 15
ISEV standards
EM
EV Biophysical techniques
EV Cytosolic markers
CD63
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 17486113    
Organism Mus musculus
Homo sapiens
Experiment description Exosome-mediated transfer of mRNAs and microRNAs is a novel mechanism of genetic exchange between cells.
Authors Valadi H, Ekstrom K, Bossios A, Sjostrand M, Lee JJ, Lotvall JO
Journal name NCB
Publication year 2007
Sample Mast cells
Sample name MC9
Bone marrow-derived mast cells
HMC-1
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.11-1.21 g/mL
Molecules identified in the study Protein
mRNA
miRNA
Methods used in the study Mass spectrometry [MALDI TOF]
Western blotting
Microarray
miRCURY LNA Array
5
Experiment ID 33
ISEV standards
EM|IEM
EV Biophysical techniques
Alix|TSG101
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 21136642    
Organism Mus musculus
Experiment description Oligodendrocytes secrete exosomes containing major myelin and stress-protective proteins: Trophic support for axons?
Authors Kramer-Albers EM, Bretz N, Tenzer S, Winterstein C, Mobius W, Berger H, Nave KA, Schild H, Trotter J
Journal name PROTEOMICS_CL
Publication year 2007
Sample Oligodendrocytes
Sample name Oligodendrocytes
Oli-neu
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.10-1.14 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [QTOF]
Western blotting
Immunoelectron Microscopy
6
Experiment ID 188
ISEV standards
EM
EV Biophysical techniques
GAPDH|UCHL1|HSP90
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19351151    
Organism Mus musculus
Experiment description Characterization of vesicles secreted from insulinoma NIT-1 cells.
Authors Lee HS, Jeong J, Lee KJ.
Journal name J Proteome Res
Publication year 2009
Sample Pancreatic cells
Sample name Pancreatic beta cell (NIT-1)
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for Rap1a
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.



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