Gene description for Ssb
Gene name Sjogren syndrome antigen B
Gene symbol Ssb
Other names/aliases SS-B
Species Mus musculus
 Database cross references - Ssb
ExoCarta ExoCarta_20823
Vesiclepedia VP_20823
Entrez Gene 20823
UniProt P32067  
 Ssb identified in sEVs derived from the following tissue/cell type
Colon cancer cells 37309723    
Mast cells 17486113    
T-cell lymphoma cells 37309723    
 Gene ontology annotations for Ssb
Molecular Function
    tRNA binding GO:0000049 IEA
    tRNA binding GO:0000049 ISO
    RNA binding GO:0003723 IDA
    RNA binding GO:0003723 ISO
    mRNA binding GO:0003729 IBA
    poly(U) RNA binding GO:0008266 IEA
    poly(U) RNA binding GO:0008266 ISO
    sequence-specific mRNA binding GO:1990825 IEA
    sequence-specific mRNA binding GO:1990825 ISO
Biological Process
    tRNA 5'-leader removal GO:0001682 IEA
    tRNA 5'-leader removal GO:0001682 ISO
    tRNA export from nucleus GO:0006409 IEA
    tRNA export from nucleus GO:0006409 ISO
    tRNA processing GO:0008033 IBA
    tRNA processing GO:0008033 ISO
    tRNA 3'-end processing GO:0042780 IEA
    tRNA 3'-end processing GO:0042780 ISO
    positive regulation of translation GO:0045727 IBA
    nuclear histone mRNA catabolic process GO:0071045 IEA
    nuclear histone mRNA catabolic process GO:0071045 ISO
    IRES-dependent viral translational initiation GO:0075522 IEA
    IRES-dependent viral translational initiation GO:0075522 ISO
    protein localization to cytoplasmic stress granule GO:1903608 IEA
    protein localization to cytoplasmic stress granule GO:1903608 ISO
Subcellular Localization
    nucleus GO:0005634 IBA
    nucleus GO:0005634 IDA
    nucleus GO:0005634 ISO
    cytoplasm GO:0005737 IEA
    cytoplasm GO:0005737 ISO
    cytosol GO:0005829 IBA
    cytoplasmic stress granule GO:0010494 IBA
    ribonucleoprotein complex GO:1990904 IEA
 Experiment description of studies that identified Ssb in sEVs
1
Experiment ID 907
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample Colon cancer cells
Sample name C26
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
2
Experiment ID 15
MISEV standards
EM
Biophysical techniques
CD63
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 17486113    
Organism Mus musculus
Homo sapiens
Experiment description Exosome-mediated transfer of mRNAs and microRNAs is a novel mechanism of genetic exchange between cells.
Authors "Valadi H, Ekstrom K, Bossios A, Sjostrand M, Lee JJ, Lotvall JO"
Journal name NCB
Publication year 2007
Sample Mast cells
Sample name MC9
Bone marrow-derived mast cells
HMC-1
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.11-1.21 g/mL
Molecules identified in the study Protein
mRNA
miRNA
Methods used in the study Mass spectrometry [MALDI TOF]
Western blotting
Microarray
miRCURY LNA Array
3
Experiment ID 908
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample T-cell lymphoma cells
Sample name EL4
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
 Protein-protein interactions for Ssb
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Elp2  
Co-fractionation Mus musculus
2 Trmt11  
Co-fractionation Mus musculus
3 Polr3h  
Co-fractionation Mus musculus
4 Snrpd1 20641
Co-fractionation Mus musculus
5 Impdh1  
Co-fractionation Mus musculus
6 Trove2 20822
Co-fractionation Mus musculus
7 Kctd13  
Affinity Capture-MS Mus musculus
8 Rsl1d1 66409
Co-fractionation Mus musculus
9 Ywhae 22627
Co-fractionation Mus musculus
10 Emd  
Co-fractionation Mus musculus
11 Pabpc1 18458
Co-fractionation Mus musculus
12 Ddx47  
Co-fractionation Mus musculus
13 Polr1c  
Co-fractionation Mus musculus
14 Mettl10  
Co-fractionation Mus musculus
15 3110082I17Rik  
Co-fractionation Mus musculus
16 Sqstm1  
Affinity Capture-MS Mus musculus
17 Vbp1  
Co-fractionation Mus musculus
18 Eed  
Affinity Capture-MS Mus musculus
19 Uba2 50995
Co-fractionation Mus musculus
20 Atg12  
Positive Genetic Mus musculus
21 Fancd2  
Affinity Capture-MS Mus musculus
22 Bccip  
Co-fractionation Mus musculus
23 Pwp1  
Co-fractionation Mus musculus
View the network image/svg+xml
 Pathways in which Ssb is involved
No pathways found





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