Gene description for SNRPB2
Gene name small nuclear ribonucleoprotein polypeptide B
Gene symbol SNRPB2
Other names/aliases Msl1
Species Homo sapiens
 Database cross references - SNRPB2
ExoCarta ExoCarta_6629
Entrez Gene 6629
HGNC 11155
MIM 603520
UniProt P08579  
 SNRPB2 identified in exosomes derived from the following tissue/cell type
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Thymus 23844026    
 Gene ontology annotations for SNRPB2
Molecular Function
    protein binding GO:0005515 IPI
    snRNA binding GO:0017069 IEA
    nucleotide binding GO:0000166 IEA
Biological Process
    RNA splicing GO:0008380 TAS
    mRNA splicing, via spliceosome GO:0000398 TAS
    mRNA processing GO:0006397 TAS
    gene expression GO:0010467 TAS
    positive regulation of defense response to virus by host GO:0002230 IMP
Subcellular Localization
    nucleolus GO:0005730 IDA
    nucleoplasm GO:0005654 TAS
    spliceosomal complex GO:0005681 IDA
    U2 snRNP GO:0005686 TAS
    catalytic step 2 spliceosome GO:0071013 IDA
 Experiment description of studies that identified SNRPB2 in exosomes
1
Experiment ID 211
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101|Alix
EV Cytosolic markers
✔
EpCAM|TFRC
EV Membrane markers
✔
cytochrome c|GOLGA2
EV Negative markers
✘ EV 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
2
Experiment ID 212
ISEV standards
✔
CEM
EV Biophysical techniques
✔
TSG101|Alix
EV Cytosolic markers
✔
EpCAM|TFRC
EV Membrane markers
✔
Cytochrome C|GOLGA2
EV Negative markers
✘ EV 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
3
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
 Protein-protein interactions for SNRPB2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 SNRPA1 6627
Co-crystal Structure Homo sapiens
2 SNRNP40 9410
Affinity Capture-MS Homo sapiens
3 SMN2 6607
Invitro Homo sapiens
View the network image/svg+xml
 Pathways in which SNRPB2 is involved
PathwayEvidenceSource
mRNA Splicing - Major Pathway TAS Reactome





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