Gene description for MAP2K2
Gene name mitogen-activated protein kinase kinase 2
Gene symbol MAP2K2
Other names/aliases CFC4
MAPKK2
MEK2
MKK2
PRKMK2
Species Homo sapiens
 Database cross references - MAP2K2
ExoCarta ExoCarta_5605
Entrez Gene 5605
HGNC 6842
MIM 601263
UniProt P36507  
 MAP2K2 identified in exosomes derived from the following tissue/cell type
Ovarian cancer cells 23333927    
Ovarian cancer cells 23333927    
Thymus 23844026    
 Gene ontology annotations for MAP2K2
Molecular Function
    protein serine/threonine/tyrosine kinase activity GO:0004712 TAS
    protein tyrosine kinase activity GO:0004713 IEA
    protein serine/threonine kinase activity GO:0004674 TAS
    MAP kinase kinase activity GO:0004708 IDA
    scaffold protein binding GO:0097110 IPI
    PDZ domain binding GO:0030165 IDA
    protein binding GO:0005515 IPI
    protein complex scaffold GO:0032947 IEA
    protein serine/threonine kinase activator activity GO:0043539 IDA
    ATP binding GO:0005524 IEA
Biological Process
    small GTPase mediated signal transduction GO:0007264 TAS
    positive regulation of protein serine/threonine kinase activity GO:0071902 IDA
    Ras protein signal transduction GO:0007265 TAS
    innate immune response GO:0045087 TAS
    Fc-epsilon receptor signaling pathway GO:0038095 TAS
    regulation of early endosome to late endosome transport GO:2000641 TAS
    vascular endothelial growth factor receptor signaling pathway GO:0048010 TAS
    fibroblast growth factor receptor signaling pathway GO:0008543 TAS
    toll-like receptor 2 signaling pathway GO:0034134 TAS
    peptidyl-serine autophosphorylation GO:0036289 IDA
    toll-like receptor 4 signaling pathway GO:0034142 TAS
    stress-activated MAPK cascade GO:0051403 TAS
    axon guidance GO:0007411 TAS
    toll-like receptor 10 signaling pathway GO:0034166 TAS
    regulation of Golgi inheritance GO:0090170 TAS
    toll-like receptor 5 signaling pathway GO:0034146 TAS
    TRIF-dependent toll-like receptor signaling pathway GO:0035666 TAS
    peptidyl-tyrosine phosphorylation GO:0018108 IEA
    MyD88-dependent toll-like receptor signaling pathway GO:0002755 TAS
    toll-like receptor signaling pathway GO:0002224 TAS
    toll-like receptor 3 signaling pathway GO:0034138 TAS
    regulation of stress-activated MAPK cascade GO:0032872 TAS
    positive regulation of cell motility GO:2000147 IEA
    toll-like receptor TLR1:TLR2 signaling pathway GO:0038123 TAS
    toll-like receptor 9 signaling pathway GO:0034162 TAS
    activation of MAPKK activity GO:0000186 TAS
    neurotrophin TRK receptor signaling pathway GO:0048011 TAS
    MyD88-independent toll-like receptor signaling pathway GO:0002756 TAS
    MAPK cascade GO:0000165 TAS
    ERK1 and ERK2 cascade GO:0070371 TAS
    toll-like receptor TLR6:TLR2 signaling pathway GO:0038124 TAS
    epidermal growth factor receptor signaling pathway GO:0007173 TAS
    insulin receptor signaling pathway GO:0008286 TAS
    activation of MAPK activity GO:0000187 TAS
Subcellular Localization
    extracellular region GO:0005576 NAS
    nucleus GO:0005634 TAS
    cytosol GO:0005829 TAS
    Golgi apparatus GO:0005794 TAS
    focal adhesion GO:0005925 TAS
    late endosome GO:0005770 TAS
    mitochondrion GO:0005739 TAS
    cytoplasm GO:0005737 IDA
    cell-cell junction GO:0005911 IDA
    peroxisomal membrane GO:0005778 IDA
    microtubule GO:0005874 IDA
    cytoplasmic side of plasma membrane GO:0009898 IDA
    endoplasmic reticulum GO:0005783 IDA
    early endosome GO:0005769 TAS
    cell cortex GO:0005938 IEA
    perinuclear region of cytoplasm GO:0048471 IDA
    intracellular GO:0005622 IBA
 Experiment description of studies that identified MAP2K2 in exosomes
1
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
2
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
3
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 MAP2K2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 MAPK1 5594
Two-hybrid Homo sapiens
2 Flna 192176
Two-hybrid Mus musculus
3 ARAF 369
Affinity Capture-MS Homo sapiens
Invitro Homo sapiens
Two-hybrid Homo sapiens
4 RAF1 5894
Affinity Capture-MS Homo sapiens
5 MAPK3 5595
Invitro Homo sapiens
Two-hybrid Homo sapiens
Biochemical Activity Homo sapiens
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