Gene description for MSH2
Gene name mutS homolog 2
Gene symbol MSH2
Other names/aliases COCA1
FCC1
HNPCC
HNPCC1
LCFS2
Species Homo sapiens
 Database cross references - MSH2
ExoCarta ExoCarta_4436
Entrez Gene 4436
HGNC 7325
MIM 609309
UniProt P43246  
 MSH2 identified in exosomes derived from the following tissue/cell type
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Colorectal cancer cells 23161513    
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Squamous carcinoma cells 20124223    
Thymus 23844026    
 Gene ontology annotations for MSH2
Molecular Function
    MutLalpha complex binding GO:0032405 IDA
    DNA-dependent ATPase activity GO:0008094 IBA
    DNA binding GO:0003677 IDA
    oxidized purine DNA binding GO:0032357 IDA
    four-way junction DNA binding GO:0000400 IDA
    ATP binding GO:0005524 IDA
    protein kinase binding GO:0019901 IPI
    protein C-terminus binding GO:0008022 IPI
    dinucleotide repeat insertion binding GO:0032181 IDA
    enzyme binding GO:0019899 IPI
    double-strand/single-strand DNA junction binding GO:0000406 IBA
    ADP binding GO:0043531 IDA
    Y-form DNA binding GO:0000403 IBA
    single thymine insertion binding GO:0032143 IDA
    single guanine insertion binding GO:0032142 IDA
    single-stranded DNA binding GO:0003697 IDA
    centromeric DNA binding GO:0019237 IEA
    magnesium ion binding GO:0000287 IDA
    double-stranded DNA binding GO:0003690 IDA
    guanine/thymine mispair binding GO:0032137 IMP
    protein binding GO:0005515 IPI
    dinucleotide insertion or deletion binding GO:0032139 IDA
    heteroduplex DNA loop binding GO:0000404 IBA
    ATPase activity GO:0016887 IDA
    protein homodimerization activity GO:0042803 IDA
    mismatched DNA binding GO:0030983 IDA
Biological Process
    somatic hypermutation of immunoglobulin genes GO:0016446 IBA
    determination of adult lifespan GO:0008340 IEA
    maintenance of DNA repeat elements GO:0043570 IMP
    postreplication repair GO:0006301 IDA
    intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator GO:0042771 IBA
    intra-S DNA damage checkpoint GO:0031573 IBA
    male gonad development GO:0008584 ISS
    negative regulation of neuron apoptotic process GO:0043524 ISS
    mismatch repair GO:0006298 TAS
    B cell mediated immunity GO:0019724 ISS
    meiotic gene conversion GO:0006311 IBA
    positive regulation of helicase activity GO:0051096 IDA
    negative regulation of DNA recombination GO:0045910 ISS
    meiotic mismatch repair GO:0000710 IBA
    negative regulation of reciprocal meiotic recombination GO:0045128 IBA
    response to UV-B GO:0010224 ISS
    isotype switching GO:0045190 ISS
    in utero embryonic development GO:0001701 IEA
    B cell differentiation GO:0030183 ISS
    somatic recombination of immunoglobulin gene segments GO:0016447 ISS
    germ cell development GO:0007281 IEA
    reciprocal meiotic recombination GO:0007131 IBA
    double-strand break repair GO:0006302 IBA
    DNA repair GO:0006281 TAS
    cell cycle arrest GO:0007050 IEA
    oxidative phosphorylation GO:0006119 IEA
    response to X-ray GO:0010165 ISS
Subcellular Localization
    MutSalpha complex GO:0032301 IDA
    nucleoplasm GO:0005654 TAS
    membrane GO:0016020 IDA
    MutSbeta complex GO:0032302 IDA
    nuclear chromosome GO:0000228 IBA
 Experiment description of studies that identified MSH2 in exosomes
1
Experiment ID 207
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name DKO-1
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
2
Experiment ID 208
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name Dks-8
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
3
Experiment ID 209
ISEV standards
EV Biophysical techniques
TSG101|HSP70
EV Cytosolic markers
FLOT1
EV Membrane markers
VDAC
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23161513    
Organism Homo sapiens
Experiment description Proteomic analysis of exosomes from mutant KRAS colon cancer cells identifies intercellular transfer of mutant KRAS.
Authors Demory Beckler M, Higginbotham JN, Franklin JL, Ham AJ, Halvey PJ, Imasuen IE, Whitwell C, Li M, Liebler DC, Coffey RJ.
Journal name Mol Cell Proteomics
Publication year 2012
Sample Colorectal cancer cells
Sample name DLD-1
Isolation/purification methods Differential centrifugation
Filtration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
Experiment ID 211
ISEV standards
EM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
EpCAM|TFRC
EV Membrane markers
cytochrome c|GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K.
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name IGROV1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
5
Experiment ID 212
ISEV standards
CEM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
EpCAM|TFRC
EV Membrane markers
Cytochrome C|GOLGA2
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23333927    
Organism Homo sapiens
Experiment description Characterization and proteomic analysis of ovarian cancer-derived exosomes.
Authors Liang B, Peng P, Chen S, Li L, Zhang M, Cao D, Yang J, Li H, Gui T, Li X, Shen K.
Journal name J Proteomics
Publication year 2013
Sample Ovarian cancer cells
Sample name OVCAR-3
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.09-1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
6
Experiment ID 191
ISEV standards
EV Biophysical techniques
Alix
EV Cytosolic markers
CD81|CD9
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20124223    
Organism Homo sapiens
Experiment description Hypoxic tumor cell modulates its microenvironment to enhance angiogenic and metastatic potential by secretion of proteins and exosomes.
Authors Park JE, Tan HS, Datta A, Lai RC, Zhang H, Meng W, Lim SK, Sze SK.
Journal name Mol Cell Proteomics
Publication year 2010
Sample Squamous carcinoma cells
Sample name Squamous carcinoma cell (A431)
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
7
Experiment ID 217
ISEV standards
EM
EV Biophysical techniques
TSG101
EV Cytosolic markers
CD81|CD9|CD63
EV Membrane 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 MSH2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 BLM 641
Co-purification Homo sapiens
2 RAD50 10111
Co-purification Homo sapiens
3 RFC1 5981
Co-purification Homo sapiens
4 PCNA 5111
Invitro Homo sapiens
Invitro Homo sapiens
Affinity Capture-MS Homo sapiens
5 ATRIP  
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
6 TREX1  
Affinity Capture-MS Homo sapiens
7 BRCA1 672
Invivo Homo sapiens
Invitro Homo sapiens
Two-hybrid Homo sapiens
Reconstituted Complex Homo sapiens
Co-purification Homo sapiens
8 PTP4A3  
Affinity Capture-MS Homo sapiens
9 ATR  
Affinity Capture-Western Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-Western Homo sapiens
Reconstituted Complex Homo sapiens
10 MLH1 4292
Co-purification Homo sapiens
11 MSH6 2956
Invivo Homo sapiens
Invitro Homo sapiens
Two-hybrid Homo sapiens
Co-purification Homo sapiens
Affinity Capture-MS Homo sapiens
Reconstituted Complex Homo sapiens
12 MYC  
Affinity Capture-Western Homo sapiens
13 MRE11A 4361
Co-purification Homo sapiens
14 CHEK2  
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-Western Homo sapiens
15 BARD1 580
Reconstituted Complex Homo sapiens
Invitro Homo sapiens
16 NBS1  
Co-purification Homo sapiens
17 MAX  
Affinity Capture-MS Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
18 ATM  
Co-purification Homo sapiens
19 MSH3 4437
Invivo Homo sapiens
Invitro Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
Reconstituted Complex Homo sapiens
20 CHEK1  
Affinity Capture-Western Homo sapiens
21 EXO1  
Invivo Homo sapiens
Invivo Homo sapiens
Invitro Homo sapiens
Invitro Homo sapiens
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
Affinity Capture-MS Homo sapiens
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