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
Entrez Gene 84590
UniProt Q99P74  
 Rab27b identified in exosomes 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
    protein binding GO:0005515 IPI
    GTPase activity GO:0003924 ISS
    GTP binding GO:0005525 ISS
    GDP binding GO:0019003 ISS
    myosin V binding GO:0031489 ISO
    protein domain specific binding GO:0019904 ISO
Biological Process
    metabolic process GO:0008152 ISS
    vesicle docking involved in exocytosis GO:0006904 IBA
    intracellular protein transport GO:0006886 IBA
    melanosome transport GO:0032402 IBA
    regulation of exocytosis GO:0017157 IDA
    Rab protein signal transduction GO:0032482 IBA
    positive regulation of exocytosis GO:0045921 ISO
    protein secretion GO:0009306 IBA
    multivesicular body sorting pathway GO:0071985 ISO
Subcellular Localization
    zymogen granule membrane GO:0042589 IDA
    extracellular exosome GO:0070062 ISO
    multivesicular body membrane GO:0032585 ISO
    secretory granule membrane GO:0030667 IDA
    apical plasma membrane GO:0016324 IDA
    Golgi apparatus GO:0005794 ISO
    secretory granule GO:0030141 IBA
    Golgi stack GO:0005795 ISO
    melanosome GO:0042470 ISO
    trans-Golgi network transport vesicle GO:0030140 ISO
 Experiment description of studies that identified Rab27b in exosomes
1
Experiment ID 92
ISEV standards
EM
EV Biophysical techniques
HSP70|GAPDH
EV Cytosolic markers
CD9|CD151
EV Membrane markers
EV Negative markers
EV 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
ISEV standards
EM
EV Biophysical techniques
HSP70|GAPDH
EV Cytosolic markers
CD9|CD151
EV Membrane markers
EV Negative markers
EV 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
ISEV standards
EM
EV Biophysical techniques
HSC70|HSP90|TSG101
EV Cytosolic markers
MHCI
EV Membrane markers
EV Negative markers
EV 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
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP90|HSC70
EV Cytosolic markers
MHCI
EV Membrane markers
EV Negative markers
EV 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
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP90|HSC70
EV Cytosolic markers
MHCI
EV Membrane markers
EV Negative markers
EV 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
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP90|HSC70
EV Cytosolic markers
MHCI
EV Membrane markers
EV Negative markers
EV 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.
 Pathways in which Rab27b is involved
No pathways found





Perform bioinformatics analysis of your extracellular vesicle data set using FunRich, a open access standalone tool. NEW UPDATED VERSION OF FunRich available for download (12/09/2016) from here