Gene description for SNAP25
Gene name synaptosomal-associated protein, 25kDa
Gene symbol SNAP25
Other names/aliases CMS18
RIC-4
RIC4
SEC9
SNAP
SNAP-25
bA416N4.2
dJ1068F16.2
Species Homo sapiens
 Database cross references - SNAP25
ExoCarta ExoCarta_6616
Vesiclepedia VP_6616
Entrez Gene 6616
HGNC 11132
MIM 600322
UniProt P60880  
 SNAP25 identified in sEVs derived from the following tissue/cell type
Neuroblastoma cells 25944692    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
 Gene ontology annotations for SNAP25
Molecular Function
    voltage-gated potassium channel activity GO:0005249 IEA
    SNAP receptor activity GO:0005484 IBA
    protein binding GO:0005515 IPI
    lipid binding GO:0008289 EXP
    myosin binding GO:0017022 IEA
    syntaxin-1 binding GO:0017075 IBA
    syntaxin-1 binding GO:0017075 IPI
    protein domain specific binding GO:0019904 IEA
    transmembrane transporter binding GO:0044325 IEA
    calcium-dependent protein binding GO:0048306 ISS
Biological Process
    neurotransmitter uptake GO:0001504 NAS
    exocytosis GO:0006887 IBA
    chemical synaptic transmission GO:0007268 NAS
    axonogenesis GO:0007409 IEA
    long-term memory GO:0007616 IEA
    locomotory behavior GO:0007626 IEA
    associative learning GO:0008306 IEA
    regulation of neuron projection development GO:0010975 IEA
    synaptic vesicle exocytosis GO:0016079 TAS
    synaptic vesicle docking GO:0016081 NAS
    synaptic vesicle priming GO:0016082 IBA
    endosomal transport GO:0016197 IEA
    synaptic vesicle fusion to presynaptic active zone membrane GO:0031629 IBA
    positive regulation of insulin secretion GO:0032024 IEA
    SNARE complex assembly GO:0035493 IEA
    regulation of insulin secretion GO:0050796 TAS
    regulation of synapse assembly GO:0051963 IEA
    long-term synaptic potentiation GO:0060291 IEA
    potassium ion transmembrane transport GO:0071805 IEA
    presynaptic dense core vesicle exocytosis GO:0099525 IEA
Subcellular Localization
    photoreceptor inner segment GO:0001917 IEA
    cytoplasm GO:0005737 IDA
    cytoplasm GO:0005737 ISS
    endosome GO:0005768 IEA
    trans-Golgi network GO:0005802 IEA
    cytosol GO:0005829 TAS
    cytoskeleton GO:0005856 IDA
    plasma membrane GO:0005886 IBA
    plasma membrane GO:0005886 TAS
    cell cortex GO:0005938 IEA
    synaptic vesicle GO:0008021 IEA
    voltage-gated potassium channel complex GO:0008076 ISS
    actin cytoskeleton GO:0015629 IEA
    membrane GO:0016020 ISS
    lamellipodium GO:0030027 IEA
    filopodium GO:0030175 IEA
    growth cone GO:0030426 ISS
    BLOC-1 complex GO:0031083 IDA
    SNARE complex GO:0031201 IDA
    SNARE complex GO:0031201 ISS
    SNARE complex GO:0031201 TAS
    vesicle GO:0031982 IDA
    specific granule membrane GO:0035579 TAS
    presynaptic membrane GO:0042734 TAS
    neuron projection GO:0043005 ISS
    neuronal cell body GO:0043025 IEA
    axonal growth cone GO:0044295 IEA
    perinuclear region of cytoplasm GO:0048471 IEA
    synaptobrevin 2-SNAP-25-syntaxin-1a-complexin I complex GO:0070032 IBA
    synaptobrevin 2-SNAP-25-syntaxin-1a-complexin II complex GO:0070033 IEA
    synaptobrevin 2-SNAP-25-syntaxin-1a complex GO:0070044 IEA
    tertiary granule membrane GO:0070821 TAS
    ribbon synapse GO:0097470 IEA
    extrinsic component of presynaptic membrane GO:0098888 IEA
    glutamatergic synapse GO:0098978 IEA
 Experiment description of studies that identified SNAP25 in sEVs
1
Experiment ID 224
MISEV standards
EM|AFM
Biophysical techniques
Alix|TSG101|CD63|CD81
Enriched markers
GOLGA2
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25944692    
Organism Homo sapiens
Experiment description Proteogenomic analysis reveals exosomes are more oncogenic than ectosomes
Authors "Keerthikumar S, Gangoda L, Liem M, Fonseka P, Atukorala I, Ozcitti C, Mechler A, Adda CG, Ang CS, Mathivanan S"
Journal name Oncotarget
Publication year 2015
Sample Neuroblastoma cells
Sample name SH-SY5Y
Isolation/purification methods Differential centrifugation
Ultracentrifugation
OptiPrep density gradient
Flotation density 1.10 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
2
Experiment ID 211
MISEV standards
EM
Biophysical techniques
TSG101|Alix|EpCAM|TFRC
Enriched markers
cytochrome c|GOLGA2
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors "Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K."
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name IGROV1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 212
MISEV standards
CEM
Biophysical techniques
TSG101|Alix|EpCAM|TFRC
Enriched markers
Cytochrome C|GOLGA2
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors "Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K."
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name OVCAR-3
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for SNAP25
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 ZNF559-ZNF177 100529215
Two-hybrid Homo sapiens
2 GPM6A 2823
Affinity Capture-MS Homo sapiens
3 SRCIN1  
Reconstituted Complex Homo sapiens
Two-hybrid Homo sapiens
4 DNAAF2  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
5 OSBPL10  
PCA Homo sapiens
6 ITSN1 6453
Reconstituted Complex Homo sapiens
Two-hybrid Homo sapiens
7 STX12 23673
Affinity Capture-Western Homo sapiens
8 NSF 4905
Co-fractionation Homo sapiens
9 NAPA 8775
Reconstituted Complex Homo sapiens
10 GOSR1 9527
Reconstituted Complex Homo sapiens
11 SCAMP1 9522
Reconstituted Complex Homo sapiens
12 STXBP1 6812
Co-fractionation Homo sapiens
13 ZNF177  
Two-hybrid Homo sapiens
14 UQCC2  
Two-hybrid Homo sapiens
15 OSBPL2 9885
PCA Homo sapiens
Reconstituted Complex Homo sapiens
16 Htt  
Affinity Capture-MS Mus musculus
17 VAMP2 6844
Two-hybrid Homo sapiens
Far Western Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
Co-crystal Structure Homo sapiens
Affinity Capture-Western Homo sapiens
18 SNAPIN 23557
Reconstituted Complex Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
19 OSBPL5 114879
PCA Homo sapiens
20 STX4 6810
Reconstituted Complex Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
21 STX19  
Two-hybrid Homo sapiens
22 TRIM9  
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
23 APP 351
Reconstituted Complex Homo sapiens
24 OSBPL11 114885
PCA Homo sapiens
25 VAMP7 6845
Reconstituted Complex Homo sapiens
26 SYT3  
Reconstituted Complex Homo sapiens
27 CDH1 999
Proximity Label-MS Homo sapiens
28 STX1A 6804
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
Reconstituted Complex Homo sapiens
Co-crystal Structure Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
29 STX3 6809
Reconstituted Complex Homo sapiens
Reconstituted Complex Homo sapiens
30 KCNB1  
Reconstituted Complex Homo sapiens
31 SCGN  
Affinity Capture-MS Homo sapiens
32 DGUOK  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
33 KIF5B 3799
Two-hybrid Homo sapiens
Reconstituted Complex Homo sapiens
34 NUFIP1  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
35 OSBP 5007
PCA Homo sapiens
36 HGS 9146
Affinity Capture-Western Homo sapiens
37 KRAS 3845
Proximity Label-MS Homo sapiens
38 STX11 8676
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
39 STX5 6811
Reconstituted Complex Homo sapiens
40 PRRT2  
Two-hybrid Homo sapiens
41 OSBPL8 114882
PCA Homo sapiens
42 RPH3A 22895
Affinity Capture-Western Homo sapiens
43 UNC13B 10497
Co-fractionation Homo sapiens
44 SYT1 6857
Reconstituted Complex Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
45 CPLX1 10815
Co-crystal Structure Homo sapiens
Reconstituted Complex Homo sapiens
46 STX2 2054
Reconstituted Complex Homo sapiens
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