Gene description for XAB2
Gene name XPA binding protein 2
Gene symbol XAB2
Other names/aliases HCNP
HCRN
NTC90
SYF1
Species Homo sapiens
 Database cross references - XAB2
ExoCarta ExoCarta_56949
Vesiclepedia VP_56949
Entrez Gene 56949
HGNC 14089
MIM 610850
UniProt Q9HCS7  
 XAB2 identified in exosomes derived from the following tissue/cell type
Chondrocytes 35931686    
Chondrocytes 35931686    
Hepatocytes 26054723    
Thymus 23844026    
 Gene ontology annotations for XAB2
Molecular Function
    protein binding GO:0005515 IPI
Biological Process
    transcription, DNA-templated GO:0006351 IDA
    nucleotide-excision repair GO:0006289 TAS
    mRNA splicing, via spliceosome GO:0000398 IC
    DNA repair GO:0006281 TAS
    transcription-coupled nucleotide-excision repair GO:0006283 TAS
    blastocyst development GO:0001824 IEA
Subcellular Localization
    nucleoplasm GO:0005654 TAS
    nucleus GO:0005634 IC
    membrane GO:0016020 IDA
    catalytic step 2 spliceosome GO:0071013 IDA
 Experiment description of studies that identified XAB2 in exosomes
1
Experiment ID 497
MISEV standards
✘ EV Biophysical techniques
✔
CD9|CD151|CD63|CD81|CD82|FLOT1|FLOT2|GAPDH|LAMP1|LAMP2|RAB5A|SDCBP|TFRC|TSG101|UCHL1
EV Enriched markers
✘ EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 35931686    
Organism Homo sapiens
Experiment description Extracellular vesicles enriched in connexin 43 promote a senescent phenotype in bone and synovial cells contributing to osteoarthritis progression
Authors Varela-Eirín M, Carpintero-Fernández P, Guitián-Caamaño A, Varela-Vázquez A, García-Yuste A, Sánchez-Temprano A, Bravo-López SB, Yañez-Cabanas J, Fonseca E, Largo R, Mobasheri A, Caeiro JR, Mayán MD.
Journal name Cell Death Dis
Publication year 2022
Sample Chondrocytes
Sample name T/C-28a2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
2
Experiment ID 498
MISEV standards
✔
EM
EV Biophysical techniques
✔
CD9|CD151|CD63|CD81|CD82|FLOT1|FLOT2|GAPDH|LAMP1|LAMP2|RAB5A|SDCBP|TFRC|TSG101|UCHL1
EV Enriched markers
✘ EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 35931686    
Organism Homo sapiens
Experiment description Extracellular vesicles enriched in connexin 43 promote a senescent phenotype in bone and synovial cells contributing to osteoarthritis progression
Authors Varela-Eirín M, Carpintero-Fernández P, Guitián-Caamaño A, Varela-Vázquez A, García-Yuste A, Sánchez-Temprano A, Bravo-López SB, Yañez-Cabanas J, Fonseca E, Largo R, Mobasheri A, Caeiro JR, Mayán MD.
Journal name Cell Death Dis
Publication year 2022
Sample Chondrocytes
Sample name T/C-28a2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectometry
3
Experiment ID 237
MISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101|Alix|HSC70|GAPDH
EV Enriched markers
✔
HSP90B1
EV Negative markers
✔
qNano
EV Particle analysis
Identified molecule mRNA
Identification method RNA Sequencing
PubMed ID 26054723    
Organism Homo sapiens
Experiment description Hepatocellular carcinoma-derived exosomes promote motility of immortalized hepatocyte through transfer of oncogenic proteins and RNAs
Authors He M, Qin H, Poon TC, Sze SC, Ding X, Co NN, Ngai SM, Chan TF, Wong N
Journal name Carcinogenesis
Publication year 2015
Sample Hepatocytes
Sample name MIHA
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
RNA
Methods used in the study Western blotting
Mass spectrometry
RNA Sequencing
4
Experiment ID 217
MISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101|CD81|CD9|CD63
EV Enriched 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 XAB2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 POLR2A 5430
Affinity Capture-Western Homo sapiens
2 ERCC6  
Affinity Capture-Western Homo sapiens
3 ERCC8  
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
4 PPIE 10450
Two-hybrid Homo sapiens
5 XPA  
Two-hybrid Homo sapiens
Reconstituted Complex Homo sapiens
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