Gene description for TOPBP1
Gene name topoisomerase (DNA) II binding protein 1
Gene symbol TOPBP1
Other names/aliases TOP2BP1
Species Homo sapiens
 Database cross references - TOPBP1
ExoCarta ExoCarta_11073
Entrez Gene 11073
HGNC 17008
MIM 607760
UniProt Q92547  
 TOPBP1 identified in exosomes derived from the following tissue/cell type
Endothelial cells 26027894    
 Gene ontology annotations for TOPBP1
Molecular Function
    identical protein binding GO:0042802 IPI
    protein C-terminus binding GO:0008022 TAS
    protein binding GO:0005515 IPI
    DNA binding GO:0003677 IEA
Biological Process
    cellular response to DNA damage stimulus GO:0006974 IDA
    DNA metabolic process GO:0006259 TAS
    response to ionizing radiation GO:0010212 IDA
    DNA repair GO:0006281 NAS
Subcellular Localization
    condensed nuclear chromosome GO:0000794 IEA
    cytoplasm GO:0005737 IDA
    male germ cell nucleus GO:0001673 IEA
    PML body GO:0016605 IDA
    nucleus GO:0005634 IDA
    actin cytoskeleton GO:0015629 IDA
    Golgi apparatus GO:0005794 IDA
    centrosome GO:0005813 IDA
    spindle pole GO:0000922 IEA
    chromosome GO:0005694 IDA
 Experiment description of studies that identified TOPBP1 in exosomes
1
Experiment ID 226
ISEV standards
EM
EV Biophysical techniques
GAPDH
EV Cytosolic markers
CD9|FLOT1
EV Membrane markers
LMNA|H2AFX|ATP5A1|TOMM20
EV Negative markers
EV Particle analysis
Identified molecule mRNA
Identification method Small RNA sequencing (Illumina HiSeq 2000 (Solexa)
PubMed ID 26027894    
Organism Homo sapiens
Experiment description Quantitative and qualitative analysis of small RNAs in human endothelial cells and exosomes provides insights into localized RNA processing, degradation and sorting
Authors Bas W. M. van Balkom, Almut S. Eisele, D. Michiel Pegtel, Sander Bervoets, Marianne C. Verhaar
Journal name Journal of Extracellular Vesicles
Publication year 2015
Sample Endothelial cells
Sample name HMEC-1
Isolation/purification methods Differential ultracentrifugation
Sucrose density gradient
Flotation density 1.10 g/mL
Molecules identified in the study miRNA
Protein
snoRNA
lncRNA
yRNA
snRNA
mRNA
ncRNA
mtRNA
vtRNA
scaRNA
lincRNA
Methods used in the study Small RNA sequencing (Illumina HiSeq 2000 (Solexa)
Western blotting
 Protein-protein interactions for TOPBP1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 E2F1 1869
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
Reconstituted Complex Homo sapiens
2 RAD9A  
Invivo Homo sapiens
3 ZBTB17  
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
4 EDD  
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
Biochemical Activity Homo sapiens
Affinity Capture-Western Homo sapiens
5 TOP2B 7155
Two-hybrid Homo sapiens
6 PML  
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
View the network image/svg+xml
 Pathways in which TOPBP1 is involved
No pathways found





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