Gene description for NBR1
Gene name neighbor of BRCA1 gene 1
Gene symbol NBR1
Other names/aliases 1A1-3B
Species Homo sapiens
 Database cross references - NBR1
ExoCarta ExoCarta_4077
Entrez Gene 4077
HGNC 6746
MIM 166945
UniProt Q14596  
 NBR1 identified in exosomes derived from the following tissue/cell type
Bladder cancer cells 20224111    
 Gene ontology annotations for NBR1
Molecular Function
    protein binding GO:0005515 IPI
    zinc ion binding GO:0008270 IEA
    mitogen-activated protein kinase binding GO:0051019 ISS
    ubiquitin binding GO:0043130 IDA
Biological Process
    regulation of bone mineralization GO:0030500 ISS
    macroautophagy GO:0016236 IDA
    protein oligomerization GO:0051259 IDA
    negative regulation of osteoblast differentiation GO:0045668 ISS
    regulation of stress-activated MAPK cascade GO:0032872 ISS
Subcellular Localization
    cytoplasmic vesicle GO:0031410 IEA
    late endosome GO:0005770 ISS
    autophagosome GO:0005776 ISS
    pre-autophagosomal structure GO:0000407 IBA
    membrane GO:0016020 IDA
    lysosome GO:0005764 IEA
    extracellular exosome GO:0070062 IDA
    cytosol GO:0005829 IDA
    mitochondrion GO:0005739 IDA
    M band GO:0031430 IEA
 Experiment description of studies that identified NBR1 in exosomes
Experiment ID 76
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20224111    
Organism Homo sapiens
Experiment description Proteomics analysis of bladder cancer exosomes.
Authors Welton JL, Khanna S, Giles PJ, Brennan P, Brewis IA, Staffurth J, Mason MD, Clayton A.
Journal name MCP
Publication year 2010
Sample Bladder cancer cells
Sample name HT1376
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.10-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF/TOF]
Western blotting
 Protein-protein interactions for NBR1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 VTA1 51534
Two-hybrid Homo sapiens
2 CIB1 10519
Two-hybrid Homo sapiens
3 FEZ1  
Affinity Capture-Western Homo sapiens
Two-hybrid Homo sapiens
View the network image/svg+xml
 Pathways in which NBR1 is involved
No pathways found

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