Gene description for Stub1
Gene name STIP1 homology and U-box containing protein 1, E3 ubiquitin protein ligase
Gene symbol Stub1
Other names/aliases Chip
Species Rattus norvegicus
 Database cross references - Stub1
ExoCarta ExoCarta_287155
Vesiclepedia VP_287155
Entrez Gene 287155
 Stub1 identified in exosomes derived from the following tissue/cell type
Reticulocytes 21828046    
Reticulocytes 21828046    
 Gene ontology annotations for Stub1
Molecular Function
    G protein-coupled receptor binding GO:0001664 ISO
    ubiquitin-protein transferase activity GO:0004842 IEA
    ubiquitin-protein transferase activity GO:0004842 ISO
    protein binding GO:0005515 IPI
    enzyme binding GO:0019899 ISO
    kinase binding GO:0019900 ISO
    Hsp70 protein binding GO:0030544 ISO
    TPR domain binding GO:0030911 ISO
    heat shock protein binding GO:0031072 ISO
    ubiquitin protein ligase binding GO:0031625 ISO
    ubiquitin-ubiquitin ligase activity GO:0034450 ISO
    protein homodimerization activity GO:0042803 ISO
    SMAD binding GO:0046332 ISO
    protein-folding chaperone binding GO:0051087 ISO
    misfolded protein binding GO:0051787 ISO
    Hsp90 protein binding GO:0051879 ISO
    ubiquitin protein ligase activity GO:0061630 IDA
    ubiquitin protein ligase activity GO:0061630 IMP
    ubiquitin protein ligase activity GO:0061630 ISO
    R-SMAD binding GO:0070412 ISO
Biological Process
    MAPK cascade GO:0000165 IMP
    protein polyubiquitination GO:0000209 ISO
    protein polyubiquitination GO:0000209 ISO
    DNA repair GO:0006281 IEA
    ubiquitin-dependent protein catabolic process GO:0006511 ISO
    protein monoubiquitination GO:0006513 ISO
    protein quality control for misfolded or incompletely synthesized proteins GO:0006515 ISO
    negative regulation of cardiac muscle hypertrophy GO:0010614 IMP
    protein ubiquitination GO:0016567 IDA
    protein ubiquitination GO:0016567 IEA
    protein ubiquitination GO:0016567 IMP
    protein ubiquitination GO:0016567 ISO
    negative regulation of transforming growth factor beta receptor signaling pathway GO:0030512 ISO
    endoplasmic reticulum unfolded protein response GO:0030968 ISO
    positive regulation of protein ubiquitination GO:0031398 ISO
    regulation of protein stability GO:0031647 ISO
    regulation of glucocorticoid metabolic process GO:0031943 ISO
    positive regulation of proteasomal ubiquitin-dependent protein catabolic process GO:0032436 ISO
    negative regulation of smooth muscle cell apoptotic process GO:0034392 IMP
    negative regulation of smooth muscle cell apoptotic process GO:0034392 ISO
    negative regulation of smooth muscle cell apoptotic process GO:0034392 ISS
    positive regulation of smooth muscle cell apoptotic process GO:0034393 IMP
    negative regulation of peroxisome proliferator activated receptor signaling pathway GO:0035359 ISS
    ERAD pathway GO:0036503 ISO
    negative regulation of apoptotic process GO:0043066 IMP
    proteasome-mediated ubiquitin-dependent protein catabolic process GO:0043161 ISO
    proteasome-mediated ubiquitin-dependent protein catabolic process GO:0043161 ISS
    positive regulation of proteolysis GO:0045862 ISO
    protein stabilization GO:0050821 ISO
    positive regulation of ubiquitin-protein transferase activity GO:0051443 ISO
    protein autoubiquitination GO:0051865 ISO
    protein K63-linked ubiquitination GO:0070534 ISO
    cellular response to misfolded protein GO:0071218 ISO
    positive regulation of chaperone-mediated protein complex assembly GO:0090035 ISO
    positive regulation of mitophagy GO:1901526 IMP
    positive regulation of ERAD pathway GO:1904294 ISO
    negative regulation of vascular associated smooth muscle contraction GO:1904694 IMP
Subcellular Localization
    ubiquitin ligase complex GO:0000151 ISO
    nucleus GO:0005634 IDA
    nucleus GO:0005634 ISO
    nucleoplasm GO:0005654 IEA
    nucleoplasm GO:0005654 ISO
    cytoplasm GO:0005737 IDA
    cytoplasm GO:0005737 ISO
    mitochondrion GO:0005739 IDA
    endoplasmic reticulum GO:0005783 ISO
    cytosol GO:0005829 IEA
    cytosol GO:0005829 ISO
    Z disc GO:0030018 ISO
    nuclear inclusion body GO:0042405 ISO
    protein folding chaperone complex GO:0101031 ISO
 Experiment description of studies that identified Stub1 in exosomes
1
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
2
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
 Protein-protein interactions for Stub1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Ubxn2a  
Affinity Capture-Western Rattus norvegicus
2 DNAJB6 10049
Co-localization Homo sapiens
3 Hspa1a 24472
Affinity Capture-Western Rattus norvegicus
4 Bag1  
Affinity Capture-Western Rattus norvegicus
5 Crem  
Biochemical Activity Rattus norvegicus
6 Nr3c1  
Affinity Capture-Western Rattus norvegicus
7 Nfatc3  
Affinity Capture-Western Rattus norvegicus
8 Nefm  
Affinity Capture-Western Rattus norvegicus
Reconstituted Complex Rattus norvegicus
9 Nox4  
Affinity Capture-Western Rattus norvegicus
10 Vdac1 83529
Affinity Capture-Western Rattus norvegicus
11 Nos1  
Affinity Capture-Western Rattus norvegicus
12 Esr1  
Affinity Capture-Western Rattus norvegicus
Co-localization Rattus norvegicus
Affinity Capture-Western Rattus norvegicus
13 Vcp 116643
Affinity Capture-Western Rattus norvegicus
Affinity Capture-Western Rattus norvegicus
14 Mapk7  
Two-hybrid Rattus norvegicus
Affinity Capture-Western Rattus norvegicus
15 Chrna3  
Affinity Capture-Western Rattus norvegicus
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