Gene description for RAPGEF1
Gene name Rap guanine nucleotide exchange factor (GEF) 1
Gene symbol RAPGEF1
Other names/aliases C3G
GRF2
Species Homo sapiens
 Database cross references - RAPGEF1
ExoCarta ExoCarta_2889
Vesiclepedia VP_2889
Entrez Gene 2889
HGNC 4568
MIM 600303
UniProt Q13905  
 RAPGEF1 identified in sEVs derived from the following tissue/cell type
Hepatocytes 26054723    
Prostate cancer cells 25844599    
 Gene ontology annotations for RAPGEF1
Molecular Function
    guanyl-nucleotide exchange factor activity GO:0005085 IBA
    guanyl-nucleotide exchange factor activity GO:0005085 IDA
    guanyl-nucleotide exchange factor activity GO:0005085 IMP
    guanyl-nucleotide exchange factor activity GO:0005085 TAS
    protein binding GO:0005515 IPI
    SH3 domain binding GO:0017124 IEA
Biological Process
    signal transduction GO:0007165 NAS
    cell surface receptor protein tyrosine kinase signaling pathway GO:0007169 TAS
    Ras protein signal transduction GO:0007265 IBA
    nervous system development GO:0007399 IEA
    positive regulation of neuron projection development GO:0010976 IMP
    Rap protein signal transduction GO:0032486 IMP
    nerve growth factor signaling pathway GO:0038180 IDA
    positive regulation of GTPase activity GO:0043547 IDA
    positive regulation of GTPase activity GO:0043547 IMP
    establishment of endothelial barrier GO:0061028 IMP
    cellular response to cAMP GO:0071320 IDA
    regulation of cell junction assembly GO:1901888 IMP
    cellular response to nerve growth factor stimulus GO:1990090 IDA
Subcellular Localization
    cytoplasm GO:0005737 IDA
    early endosome GO:0005769 IDA
    cytosol GO:0005829 TAS
    plasma membrane GO:0005886 IBA
    intracellular membrane-bounded organelle GO:0043231 IDA
 Experiment description of studies that identified RAPGEF1 in sEVs
1
Experiment ID 237
MISEV standards
EM
Biophysical techniques
TSG101|Alix|HSC70|GAPDH
Enriched markers
HSP90B1
Negative markers
qNano
Particle analysis
Identified molecule mRNA
Identification method RNA Sequencing
PubMed ID 26054723    
Organism Homo sapiens
Experiment description Hepatocellular carcinoma-derived exosomes promote motility of immortalized hepatocyte through transfer of oncogenic proteins and RNAs
Authors "He M, Qin H, Poon TC, Sze SC, Ding X, Co NN, Ngai SM, Chan TF, Wong N"
Journal name Carcinogenesis
Publication year 2015
Sample Hepatocytes
Sample name MIHA
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
RNA
Methods used in the study Western blotting
Mass spectrometry
RNA Sequencing
2
Experiment ID 274
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 resistant
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.18 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Flow cytometry
Western blotting
 Protein-protein interactions for RAPGEF1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 ATXN1 6310
Two-hybrid Homo sapiens
2 MINK1 50488
Affinity Capture-MS Homo sapiens
3 BTRC 8945
Affinity Capture-MS Homo sapiens
4 FBXW11  
Affinity Capture-MS Homo sapiens
5 LGR4 55366
Affinity Capture-MS Homo sapiens
6 SPATS2L 26010
Affinity Capture-MS Homo sapiens
7 GRB2 2885
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Far Western Homo sapiens
8 SHC1 6464
Affinity Capture-Western Homo sapiens
9 TMPO 7112
Cross-Linking-MS (XL-MS) Homo sapiens
10 NEDD9 4739
Affinity Capture-Western Homo sapiens
11 ABL1 25
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
Biochemical Activity Homo sapiens
12 BCAR1 9564
Two-hybrid Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
13 RPS15 6209
Two-hybrid Homo sapiens
14 EGFR 1956
Two-hybrid Homo sapiens
PCA Homo sapiens
Affinity Capture-Luminescence Homo sapiens
15 HCK 3055
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
16 DDX58 23586
Affinity Capture-RNA Homo sapiens
17 NXF1 10482
Affinity Capture-RNA Homo sapiens
18 CBL 867
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
19 MBIP  
Two-hybrid Homo sapiens
20 MOV10 4343
Affinity Capture-RNA Homo sapiens
21 SLC20A1 6574
Two-hybrid Homo sapiens
22 PTPN13 5783
Affinity Capture-MS Homo sapiens
23 CRKL 1399
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-MS Homo sapiens
24 CRK 1398
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-Western Homo sapiens
Far Western Homo sapiens
Affinity Capture-Western Homo sapiens
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