Gene description for Stxbp1
Gene name syntaxin binding protein 1
Gene symbol Stxbp1
Other names/aliases ANC18HA
Munc18-1
NSEC1A
Sec1
Unc18-1
n-sec1
nSec1
rbSec1
rbSec1A
rbSec1B
Species Rattus norvegicus
 Database cross references - Stxbp1
ExoCarta ExoCarta_25558
Vesiclepedia VP_25558
Entrez Gene 25558
UniProt P61765  
 Stxbp1 identified in exosomes derived from the following tissue/cell type
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
 Gene ontology annotations for Stxbp1
Molecular Function
    SNARE binding GO:0000149 IDA
    protein binding GO:0005515 IPI
    syntaxin-1 binding GO:0017075 IBA
    syntaxin-1 binding GO:0017075 IDA
    syntaxin-1 binding GO:0017075 ISO
    protein kinase binding GO:0019901 IPI
    protein domain specific binding GO:0019904 IDA
    syntaxin binding GO:0019905 IDA
    syntaxin binding GO:0019905 ISO
    identical protein binding GO:0042802 IPI
    phospholipase binding GO:0043274 IDA
    molecular adaptor activity GO:0060090 EXP
Biological Process
    platelet degranulation GO:0002576 ISO
    developmental process involved in reproduction GO:0003006 IMP
    intracellular protein transport GO:0006886 IBA
    exocytosis GO:0006887 ISO
    vesicle docking involved in exocytosis GO:0006904 IBA
    vesicle docking involved in exocytosis GO:0006904 ISO
    vesicle docking involved in exocytosis GO:0006904 ISO
    vesicle docking involved in exocytosis GO:0006904 ISS
    neurotransmitter secretion GO:0007269 ISO
    neuromuscular synaptic transmission GO:0007274 ISO
    axon target recognition GO:0007412 ISO
    regulation of synaptic vesicle priming GO:0010807 IDA
    regulation of synaptic vesicle priming GO:0010807 IMP
    protein transport GO:0015031 IEA
    synaptic vesicle priming GO:0016082 ISO
    synaptic vesicle maturation GO:0016188 ISO
    vesicle-mediated transport GO:0016192 IEA
    negative regulation of protein-containing complex assembly GO:0031333 IDA
    regulation of vesicle fusion GO:0031338 IDA
    negative regulation of synaptic transmission, GABAergic GO:0032229 ISO
    response to estradiol GO:0032355 IEP
    SNARE complex assembly GO:0035493 ISO
    negative regulation of SNARE complex assembly GO:0035544 TAS
    positive regulation of mast cell degranulation GO:0043306 IMP
    negative regulation of neuron apoptotic process GO:0043524 ISO
    positive regulation of exocytosis GO:0045921 IMP
    positive regulation of calcium ion-dependent exocytosis GO:0045956 ISO
    protein stabilization GO:0050821 IDA
    neuron apoptotic process GO:0051402 ISO
    establishment of localization in cell GO:0051649 ISO
    long-term synaptic depression GO:0060292 ISO
    platelet aggregation GO:0070527 ISO
    cellular response to type II interferon GO:0071346 ISO
    protein localization to plasma membrane GO:0072659 ISO
    presynaptic dense core vesicle exocytosis GO:0099525 IBA
    positive regulation of vesicle docking GO:0106022 IDA
    positive regulation of glutamate secretion, neurotransmission GO:1903296 IMP
    regulation of acrosomal vesicle exocytosis GO:2000367 ISO
Subcellular Localization
    nucleoplasm GO:0005654 IEA
    nucleoplasm GO:0005654 ISO
    cytoplasm GO:0005737 IDA
    cytosol GO:0005829 IEA
    cytosol GO:0005829 ISO
    cytosol GO:0005829 TAS
    plasma membrane GO:0005886 IBA
    plasma membrane GO:0005886 IDA
    plasma membrane GO:0005886 ISO
    membrane GO:0016020 IEA
    secretory granule GO:0030141 IBA
    axon GO:0030424 IDA
    axon GO:0030424 ISO
    platelet alpha granule GO:0031091 ISO
    protein-containing complex GO:0032991 IDA
    terminal bouton GO:0043195 HDA
    phagocytic vesicle GO:0045335 ISO
    perinuclear region of cytoplasm GO:0048471 IDA
    parallel fiber to Purkinje cell synapse GO:0098688 ISO
    presynapse GO:0098793 IDA
    postsynapse GO:0098794 IDA
    presynaptic active zone cytoplasmic component GO:0098831 ISO
    extrinsic component of presynaptic membrane GO:0098888 ISO
    glutamatergic synapse GO:0098978 ISO
    presynaptic cytosol GO:0099523 ISO
 Experiment description of studies that identified Stxbp1 in exosomes
1
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
2
Experiment ID 94
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 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
3
Experiment ID 95
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 - D7 Rep 1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.25 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 98
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 - D7 Rep 2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.25 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 Stxbp1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Stx3  
Reconstituted Complex Rattus norvegicus
Two-hybrid Rattus norvegicus
Reconstituted Complex Rattus norvegicus
Reconstituted Complex Rattus norvegicus
Two-hybrid Rattus norvegicus
2 Stx2 25130
Two-hybrid Rattus norvegicus
Reconstituted Complex Rattus norvegicus
Reconstituted Complex Rattus norvegicus
Two-hybrid Rattus norvegicus
3 Apba1  
Affinity Capture-Western Rattus norvegicus
Reconstituted Complex Rattus norvegicus
4 Stx1a  
Reconstituted Complex Rattus norvegicus
Affinity Capture-Western Rattus norvegicus
Two-hybrid Rattus norvegicus
Reconstituted Complex Rattus norvegicus
Reconstituted Complex Rattus norvegicus
Affinity Capture-Western Rattus norvegicus
Two-hybrid Rattus norvegicus
5 Prkcg  
Biochemical Activity Rattus norvegicus
6 Katna1  
Affinity Capture-MS Rattus norvegicus
7 Apba2  
Affinity Capture-Western Rattus norvegicus
8 Prkca  
Biochemical Activity Rattus norvegicus
9 Stx1b  
Reconstituted Complex Rattus norvegicus
10 STX1A 6804
Affinity Capture-Luminescence Homo sapiens
Two-hybrid Homo sapiens
11 Itm2b 290364
Affinity Capture-MS Rattus norvegicus
12 Prkcb  
Biochemical Activity Rattus norvegicus
13 Stx4 81803
Reconstituted Complex Rattus norvegicus
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