Gene description for STXBP2
Gene name syntaxin binding protein 2
Gene symbol STXBP2
Other names/aliases FHL5
Hunc18b
MUNC18-2
UNC18-2
UNC18B
pp10122
Species Homo sapiens
 Database cross references - STXBP2
ExoCarta ExoCarta_6813
Entrez Gene 6813
HGNC 11445
MIM 601717
UniProt Q15833  
 STXBP2 identified in exosomes derived from the following tissue/cell type
Colorectal cancer cells 25890246    
Intestinal epithelial cells 11487543    
Melanoma cells 15478216    
Platelets 25332113    
Platelets 25332113    
Platelets 25332113    
Saliva 19199708    
Thymus 23844026    
Urine 19056867    
Urine 22418980    
Urine 22418980    
 Gene ontology annotations for STXBP2
Molecular Function
    syntaxin-3 binding GO:0030348 IPI
    protein binding GO:0005515 IPI
    syntaxin-1 binding GO:0017075 IEA
Biological Process
    leukocyte mediated cytotoxicity GO:0001909 IMP
    regulation of mast cell degranulation GO:0043304 ISS
    protein transport GO:0015031 IEA
    vesicle docking involved in exocytosis GO:0006904 IEA
    neutrophil degranulation GO:0043312 IEP
Subcellular Localization
    specific granule GO:0042581 IDA
    apical plasma membrane GO:0016324 IEA
    cytosol GO:0005829 IDA
    SNARE complex GO:0031201 IDA
    plasma membrane GO:0005886 IDA
    extracellular exosome GO:0070062 IDA
    azurophil granule GO:0042582 IDA
    tertiary granule GO:0070820 IDA
    cytolytic granule GO:0044194 IDA
 Experiment description of studies that identified STXBP2 in exosomes
1
Experiment ID 285
ISEV standards
CEM
EV Biophysical techniques
Alix|TSG101
EV Cytosolic markers
CD63|CD81|EpCAM
EV Membrane markers
EV Negative markers
DLS
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25890246    
Organism Homo sapiens
Experiment description Highly-purified exosomes and shed microvesicles isolated from the human colon cancer cell line LIM1863 by sequential centrifugal ultrafiltration are biochemically and functionally distinct.
Authors Xu R, Greening DW, Rai A, Ji H, Simpson RJ.
Journal name Methods
Publication year 2015
Sample Colorectal cancer cells
Sample name LIM1863 - Sequential centrifugal ultrafiltration - Rep 1
Isolation/purification methods Differential centrifugation
Filtration
Sequential centrifugal ultrafiltration
Centrifugal concentration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
2
Experiment ID 4
ISEV standards
IEM
EV Biophysical techniques
EV Cytosolic markers
CD63|MHCI|MHCII
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 11487543    
Organism Homo sapiens
Experiment description Intestinal epithelial cells secrete exosome-like vesicles.
Authors van Niel G, Raposo G, Candalh C, Boussac M, Hershberg R, Cerf-Bensussan N, Heyman M
Journal name
Publication year 2001
Sample Intestinal epithelial cells
Sample name HT29-19A
T84-DRB1*0401/CIITA
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF]
Western blotting
3
Experiment ID 12
ISEV standards
EM
EV Biophysical techniques
EV Cytosolic markers
MHCI
EV Membrane markers
CANX|cytochrome c
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 15478216    
Organism Homo sapiens
Experiment description Proteomic analysis of melanoma-derived exosomes by two-dimensional polyacrylamide gel electrophoresis and mass spectrometry.
Authors Mears R, Craven RA, Hanrahan S, Totty N, Upton C, Young SL, Patel P, Selby PJ, Banks RE
Journal name PROTEOMICS
Publication year 2004
Sample Melanoma cells
Sample name MeWo
SK-MEL-28
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.20 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [4700 Proteomics Analyzer]
Western blotting
4
Experiment ID 231
ISEV standards
EV Biophysical techniques
Alix
EV Cytosolic markers
CD63|CD9
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 1
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Western blotting
Mass spectrometry
5
Experiment ID 232
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
6
Experiment ID 233
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25332113    
Organism Homo sapiens
Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets
Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G.
Journal name Transfusion
Publication year 2015
Sample Platelets
Sample name PL-Exs - Rep 3
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Optiprep density gradient
Flotation density 1.12-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
7
Experiment ID 66
ISEV standards
IEM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
CD63|CD81
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19199708    
Organism Homo sapiens
Experiment description Proteomic analysis of human parotid gland exosomes by multidimensional protein identification technology (MudPIT).
Authors Gonzalez-Begne M, Lu B, Han X, Hagen FK, Hand AR, Melvin JE, Yates JR
Journal name JPR
Publication year 2009
Sample Saliva
Sample name Saliva
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
Immunoelectron Microscopy
8
Experiment ID 217
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
CD81|CD9|CD63
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23844026    
Organism Homo sapiens
Experiment description Characterization of human thymic exosomes.
Authors Skogberg G, Gudmundsdottir J, van der Post S, Sandstrom K, Bruhn S, Benson M, Mincheva-Nilsson L, Baranov V, Telemo E, Ekwall O.
Journal name PLoS One
Publication year 2013
Sample Thymus
Sample name Normal-Thymus
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
9
Experiment ID 63
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
AQP2
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19056867    
Organism Homo sapiens
Experiment description Large-scale proteomics and phosphoproteomics of urinary exosomes.
Authors Gonzales PA, Pisitkun T, Hoffert JD, Tchapyjnikov D, Star RA, Kleta R, Wang NS, Knepper MA
Journal name JASN
Publication year 2009
Sample Urine
Sample name Urine - Normal
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LTQ]
Western blotting
10
Experiment ID 196
ISEV standards
EM
EV Biophysical techniques
Alix|TSG101|HSP70
EV Cytosolic markers
CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 22418980    
Organism Homo sapiens
Experiment description A multiplex quantitative proteomics strategy for protein biomarker studies in urinary exosomes.
Authors Raj DA, Fiume I, Capasso G, Pocsfalvi G.
Journal name Kidney Int
Publication year 2012
Sample Urine
Sample name Urine - Normal high density
Isolation/purification methods Differential centrifugation
Sucrose cushion
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
11
Experiment ID 197
ISEV standards
EM
EV Biophysical techniques
Alix|TSG101|HSP70
EV Cytosolic markers
CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 22418980    
Organism Homo sapiens
Experiment description A multiplex quantitative proteomics strategy for protein biomarker studies in urinary exosomes.
Authors Raj DA, Fiume I, Capasso G, Pocsfalvi G.
Journal name Kidney Int
Publication year 2012
Sample Urine
Sample name Urine - Normal low density
Isolation/purification methods Differential centrifugation
Sucrose cushion
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for STXBP2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 STX1A 6804
Reconstituted Complex Homo sapiens
2 STX3 6809
Reconstituted Complex Homo sapiens
3 SNAP23 8773
Affinity Capture-MS Homo sapiens
4 STX4 6810
Reconstituted Complex Homo sapiens
5 STX2 2054
Reconstituted Complex Homo sapiens
6 VAMP2 6844
Affinity Capture-MS Homo sapiens
View the network image/svg+xml
 Pathways in which STXBP2 is involved
No pathways found





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