Gene description for Rab27b
Gene name RAB27B, member RAS oncogene family
Gene symbol Rab27b
Other names/aliases -
Species Rattus norvegicus
 Database cross references - Rab27b
ExoCarta ExoCarta_84590
Vesiclepedia VP_84590
Entrez Gene 84590
UniProt Q99P74  
 Rab27b identified in sEVs derived from the following tissue/cell type
Pancreatic cancer cells 20124479    
Pancreatic cancer cells 20124479    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
 Gene ontology annotations for Rab27b
Molecular Function
    GTPase activity GO:0003924 IBA
    GTPase activity GO:0003924 IEA
    GTPase activity GO:0003924 ISO
    GTPase activity GO:0003924 ISS
    G protein activity GO:0003925 IEA
    protein binding GO:0005515 IPI
    GTP binding GO:0005525 IBA
    GTP binding GO:0005525 IEA
    GTP binding GO:0005525 ISO
    GTP binding GO:0005525 ISS
    GDP binding GO:0019003 ISO
    GDP binding GO:0019003 ISS
    protein domain specific binding GO:0019904 ISO
    myosin V binding GO:0031489 ISO
    membrane scission GTPase motor activity GO:1990606 IEA
Biological Process
    exocytosis GO:0006887 IBA
    regulation of exocytosis GO:0017157 IDA
    positive regulation of exocytosis GO:0045921 IBA
    positive regulation of exocytosis GO:0045921 ISO
    synaptic vesicle endocytosis GO:0048488 IDA
    synaptic vesicle endocytosis GO:0048488 IMP
    multivesicular body sorting pathway GO:0071985 ISO
    anterograde axonal protein transport GO:0099641 IMP
Subcellular Localization
    late endosome GO:0005770 ISO
    late endosome GO:0005770 ISS
    Golgi apparatus GO:0005794 IBA
    Golgi apparatus GO:0005794 ISO
    Golgi stack GO:0005795 ISO
    membrane GO:0016020 IEA
    apical plasma membrane GO:0016324 IBA
    apical plasma membrane GO:0016324 IDA
    trans-Golgi network transport vesicle GO:0030140 ISO
    secretory granule GO:0030141 IBA
    synaptic vesicle membrane GO:0030672 EXP
    synaptic vesicle membrane GO:0030672 IDA
    synaptic vesicle membrane GO:0030672 IDA
    multivesicular body membrane GO:0032585 ISO
    melanosome GO:0042470 IBA
    melanosome GO:0042470 ISO
    zymogen granule membrane GO:0042589 IDA
    exocytic vesicle GO:0070382 IBA
    axon cytoplasm GO:1904115 IEA
 Experiment description of studies that identified Rab27b 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
3
Experiment ID 90
MISEV standards
✔
EM
Biophysical techniques
✔
HSC70|HSP90|TSG101|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 - 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
4
Experiment ID 96
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 - D2 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
5
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
6
Experiment ID 100
MISEV standards
✔
EM
Biophysical techniques
✔
TSG101|HSP90|HSC70|MHCI
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 - D4 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 Rab27b
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.



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