Gene description for ABCG2
Gene name ATP-binding cassette, sub-family G (WHITE), member 2 (Junior blood group)
Gene symbol ABCG2
Other names/aliases ABC15
ABCP
BCRP
BCRP1
BMDP
CD338
CDw338
EST157481
GOUT1
MRX
MXR
MXR1
UAQTL1
Species Homo sapiens
 Database cross references - ABCG2
ExoCarta ExoCarta_9429
Vesiclepedia VP_9429
Entrez Gene 9429
HGNC 74
MIM 603756
UniProt Q9UNQ0  
 ABCG2 identified in sEVs derived from the following tissue/cell type
Breast cancer cells 25833198    
Breast milk 17641064    
Breast milk 17641064    
Colorectal cancer cells 25890246    
Colorectal cancer cells 25890246    
Colorectal cancer cells 25890246    
Colorectal cancer cells 25890246    
 Gene ontology annotations for ABCG2
Molecular Function
    protein binding GO:0005515 IPI
    ATP binding GO:0005524 IEA
    organic anion transmembrane transporter activity GO:0008514 ISS
    ABC-type xenobiotic transporter activity GO:0008559 IDA
    urate transmembrane transporter activity GO:0015143 IDA
    urate transmembrane transporter activity GO:0015143 IMP
    biotin transmembrane transporter activity GO:0015225 ISS
    efflux transmembrane transporter activity GO:0015562 IBA
    efflux transmembrane transporter activity GO:0015562 IMP
    efflux transmembrane transporter activity GO:0015562 ISS
    ATP hydrolysis activity GO:0016887 IEA
    riboflavin transmembrane transporter activity GO:0032217 IBA
    riboflavin transmembrane transporter activity GO:0032217 IDA
    ATPase-coupled transmembrane transporter activity GO:0042626 IBA
    ATPase-coupled transmembrane transporter activity GO:0042626 IMP
    identical protein binding GO:0042802 IPI
    protein homodimerization activity GO:0042803 IDA
    xenobiotic transmembrane transporter activity GO:0042910 ISS
    sphingolipid transporter activity GO:0046624 TAS
Biological Process
    lipid transport GO:0006869 IEA
    organic anion transport GO:0015711 ISS
    urate transport GO:0015747 IEA
    biotin transport GO:0015878 ISS
    sphingolipid biosynthetic process GO:0030148 TAS
    riboflavin transport GO:0032218 IDA
    urate metabolic process GO:0046415 IMP
    transmembrane transport GO:0055085 IBA
    transmembrane transport GO:0055085 IMP
    transepithelial transport GO:0070633 IDA
    renal urate salt excretion GO:0097744 IMP
    export across plasma membrane GO:0140115 ISS
    transport across blood-brain barrier GO:0150104 NAS
    cellular detoxification GO:1990748 IDA
    xenobiotic transport across blood-brain barrier GO:1990962 IC
    xenobiotic transport across blood-brain barrier GO:1990962 IDA
Subcellular Localization
    nucleoplasm GO:0005654 IDA
    plasma membrane GO:0005886 IBA
    plasma membrane GO:0005886 IDA
    plasma membrane GO:0005886 TAS
    apical plasma membrane GO:0016324 ISS
    apical plasma membrane GO:0016324 TAS
    brush border membrane GO:0031526 IDA
    mitochondrial membrane GO:0031966 IEA
    membrane raft GO:0045121 IDA
    external side of apical plasma membrane GO:0098591 ISS
 Experiment description of studies that identified ABCG2 in sEVs
1
Experiment ID 227
MISEV standards
Biophysical techniques
Alix|TSG101
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Western blotting
PubMed ID 25833198    
Organism Homo sapiens
Experiment description Guggulsterone and bexarotene induce secretion of exosome-associated breast cancer resistance protein and reduce doxorubicin resistance in MDA-MB-231 cells
Authors "Kong JN, He Q, Wang G, Dasgupta S, Dinkins MB, Zhu G, Kim A, Spassieva S, Bieberich E."
Journal name International Journal of Cancer
Publication year 2015
Sample Breast cancer cells
Sample name MDA-MB-231
Isolation/purification methods Differential ultracentrifugation
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western Blotting
2
Experiment ID 46
MISEV standards
EM|IEM
Biophysical techniques
HSC70|CD63|MHCII|CD81|CD86
Enriched markers
CANX
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 17641064    
Organism Homo sapiens
Experiment description Exosomes with immune modulatory features are present in human breast milk.
Authors "Admyre C, Johansson SM, Qazi KR, Filen JJ, Lahesmaa R, Norman M, Neve EP, Scheynius A, Gabrielsson S"
Journal name JIMMU
Publication year 2007
Sample Breast milk
Sample name Breast milk - Colostrum
Isolation/purification methods Differential centrifugation
Filtration
Sucrose density gradient
Flotation density 1.10-1.18 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [QSTAR]
Western blotting
Immunoelectron Microscopy
FACS
3
Experiment ID 48
MISEV standards
EM|IEM
Biophysical techniques
HSC70|CD63|CD86|MHCII
Enriched markers
CANX
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 17641064    
Organism Homo sapiens
Experiment description Exosomes with immune modulatory features are present in human breast milk.
Authors "Admyre C, Johansson SM, Qazi KR, Filen JJ, Lahesmaa R, Norman M, Neve EP, Scheynius A, Gabrielsson S"
Journal name JIMMU
Publication year 2007
Sample Breast milk
Sample name Breast milk - Mature milk
Isolation/purification methods Differential centrifugation
Filtration
Sucrose density gradient
Flotation density 1.10-1.18 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [QSTAR]
Western blotting
Immunoelectron Microscopy
FACS
4
Experiment ID 282
MISEV standards
CEM
Biophysical techniques
Alix|TSG101|CD63|CD81|EpCAM
Enriched markers
Negative markers
DLS
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25890246    
Organism Homo sapiens
Experiment description Highly-purified exosomes and shed microvesicles isolated from the human colon cancer cell line LIM1863 by sequential centrifugal ultrafiltration are biochemically and functionally distinct.
Authors "Xu R, Greening DW, Rai A, Ji H, Simpson RJ."
Journal name Methods
Publication year 2015
Sample Colorectal cancer cells
Sample name LIM1863 - Ultracentrifugation - Rep 1
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Centrifugal concentration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
5
Experiment ID 283
MISEV standards
CEM
Biophysical techniques
Alix|TSG101|CD63|CD81|EpCAM
Enriched markers
Negative markers
DLS
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25890246    
Organism Homo sapiens
Experiment description Highly-purified exosomes and shed microvesicles isolated from the human colon cancer cell line LIM1863 by sequential centrifugal ultrafiltration are biochemically and functionally distinct.
Authors "Xu R, Greening DW, Rai A, Ji H, Simpson RJ."
Journal name Methods
Publication year 2015
Sample Colorectal cancer cells
Sample name LIM1863 - Ultracentrifugation - Rep 2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Centrifugal concentration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
6
Experiment ID 285
MISEV standards
CEM
Biophysical techniques
Alix|TSG101|CD63|CD81|EpCAM
Enriched markers
Negative markers
DLS
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25890246    
Organism Homo sapiens
Experiment description Highly-purified exosomes and shed microvesicles isolated from the human colon cancer cell line LIM1863 by sequential centrifugal ultrafiltration are biochemically and functionally distinct.
Authors "Xu R, Greening DW, Rai A, Ji H, Simpson RJ."
Journal name Methods
Publication year 2015
Sample Colorectal cancer cells
Sample name LIM1863 - Sequential centrifugal ultrafiltration - Rep 1
Isolation/purification methods Differential centrifugation
Filtration
Sequential centrifugal ultrafiltration
Centrifugal concentration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
7
Experiment ID 286
MISEV standards
CEM
Biophysical techniques
Alix|TSG101|CD63|CD81|EpCAM
Enriched markers
Negative markers
DLS
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25890246    
Organism Homo sapiens
Experiment description Highly-purified exosomes and shed microvesicles isolated from the human colon cancer cell line LIM1863 by sequential centrifugal ultrafiltration are biochemically and functionally distinct.
Authors "Xu R, Greening DW, Rai A, Ji H, Simpson RJ."
Journal name Methods
Publication year 2015
Sample Colorectal cancer cells
Sample name LIM1863 - Sequential centrifugal ultrafiltration - Rep 2
Isolation/purification methods Differential centrifugation
Filtration
Sequential centrifugal ultrafiltration
Centrifugal concentration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
 Protein-protein interactions for ABCG2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 ANLN 54443
Affinity Capture-MS Homo sapiens
2 CLPP 8192
Affinity Capture-MS Homo sapiens
3 Tmed2 56334
Affinity Capture-MS Mus musculus
4 TRIM13  
Affinity Capture-MS Homo sapiens
5 Tpm1 22003
Affinity Capture-MS Mus musculus
6 ARRDC5  
Affinity Capture-MS Homo sapiens
7 KIF14 9928
Affinity Capture-MS Homo sapiens
8 ECT2 1894
Affinity Capture-MS Homo sapiens
9 SCAMP1 9522
Affinity Capture-MS Homo sapiens
10 CHMP4C 92421
Affinity Capture-MS Homo sapiens
11 LGALS3 3958
Affinity Capture-MS Homo sapiens
12 DBN1 1627
Affinity Capture-MS Homo sapiens
13 GOLT1B 51026
Affinity Capture-MS Homo sapiens
14 KIF20A 10112
Affinity Capture-MS Homo sapiens
15 MYO5C 55930
Affinity Capture-MS Homo sapiens
16 Rab5c 19345
Affinity Capture-MS Mus musculus
17 Actb 11461
Affinity Capture-MS Mus musculus
18 Myh10 77579
Affinity Capture-MS Mus musculus
19 Vps4b 20479
Affinity Capture-MS Mus musculus
20 PCDH7 5099
Affinity Capture-MS Homo sapiens
21 SYNPO 11346
Affinity Capture-MS Homo sapiens
22 CHMP4B 128866
Affinity Capture-MS Homo sapiens
23 Trim69  
Affinity Capture-MS Mus musculus
24 KIF23 9493
Affinity Capture-MS Homo sapiens
25 RAB7A 7879
Affinity Capture-MS Homo sapiens
26 CIT 11113
Affinity Capture-MS Homo sapiens
27 Flot1 14251
Affinity Capture-MS Mus musculus
28 Ufl1  
Affinity Capture-MS Mus musculus
29 Ptpn23 104831
Affinity Capture-MS Mus musculus
30 PHF12  
Affinity Capture-MS Homo sapiens
31 Chmp4b 75608
Affinity Capture-MS Mus musculus
32 ATP5B 506
Affinity Capture-MS Homo sapiens
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