Gene description for Comt
Gene name catechol-O-methyltransferase
Gene symbol Comt
Other names/aliases -
Species Rattus norvegicus
 Database cross references - Comt
ExoCarta ExoCarta_24267
Vesiclepedia VP_24267
Entrez Gene 24267
UniProt P22734  
 Comt identified in sEVs derived from the following tissue/cell type
Hepatocytes 19367702    
Reticulocytes 21828046    
 Gene ontology annotations for Comt
Molecular Function
    magnesium ion binding GO:0000287 IEA
    catechol O-methyltransferase activity GO:0016206 IBA
    catechol O-methyltransferase activity GO:0016206 IDA
    catechol O-methyltransferase activity GO:0016206 IEA
    catechol O-methyltransferase activity GO:0016206 ISO
Biological Process
    behavioral fear response GO:0001662 ISO
    response to hypoxia GO:0001666 ISO
    kidney development GO:0001822 ISO
    synaptic transmission, dopaminergic GO:0001963 ISO
    startle response GO:0001964 ISO
    response to amphetamine GO:0001975 ISO
    renin secretion into blood stream GO:0002001 ISO
    glycogen metabolic process GO:0005977 ISO
    protein phosphorylation GO:0006468 ISO
    protein methylation GO:0006479 ISO
    catecholamine metabolic process GO:0006584 ISO
    prostaglandin metabolic process GO:0006693 ISO
    response to stress GO:0006950 ISO
    response to oxidative stress GO:0006979 ISO
    female pregnancy GO:0007565 IMP
    learning or memory GO:0007611 ISO
    learning GO:0007612 IMP
    learning GO:0007612 ISO
    memory GO:0007613 ISO
    short-term memory GO:0007614 IMP
    estrogen metabolic process GO:0008210 IMP
    regulation of blood pressure GO:0008217 ISO
    visual learning GO:0008542 ISO
    response to temperature stimulus GO:0009266 ISO
    response to xenobiotic stimulus GO:0009410 IEP
    response to xenobiotic stimulus GO:0009410 ISO
    response to wounding GO:0009611 ISO
    response to toxic substance GO:0009636 ISO
    gene expression GO:0010467 ISO
    dopamine secretion GO:0014046 ISO
    response to organic cyclic compound GO:0014070 IEP
    cellular response to phosphate starvation GO:0016036 ISO
    cerebellar cortex morphogenesis GO:0021696 ISO
    response to food GO:0032094 ISO
    methylation GO:0032259 IEA
    methylation GO:0032259 ISO
    methylation GO:0032259 ISS
    response to lipopolysaccharide GO:0032496 IEP
    developmental process GO:0032502 IBA
    developmental process GO:0032502 IEA
    glomerulus development GO:0032835 ISO
    cholesterol efflux GO:0033344 ISO
    multicellular organismal response to stress GO:0033555 ISO
    response to cytokine GO:0034097 ISO
    multicellular organism growth GO:0035264 ISO
    exploration behavior GO:0035640 ISO
    renal sodium excretion GO:0035812 ISO
    norepinephrine metabolic process GO:0042415 ISO
    dopamine metabolic process GO:0042417 IBA
    dopamine metabolic process GO:0042417 IEA
    dopamine metabolic process GO:0042417 ISO
    dopamine catabolic process GO:0042420 ISO
    catecholamine catabolic process GO:0042424 IBA
    catecholamine catabolic process GO:0042424 IEA
    catecholamine catabolic process GO:0042424 ISO
    catecholamine catabolic process GO:0042424 ISS
    fear response GO:0042596 ISO
    response to estrogen GO:0043627 IEP
    negative regulation of dopamine metabolic process GO:0045963 IMP
    S-adenosylhomocysteine metabolic process GO:0046498 TAS
    S-adenosylmethionine metabolic process GO:0046500 TAS
    habituation GO:0046959 ISO
    norepinephrine secretion GO:0048243 ISO
    response to pain GO:0048265 IMP
    negative regulation of smooth muscle cell proliferation GO:0048662 IMP
    positive regulation of homocysteine metabolic process GO:0050668 IMP
    cognition GO:0050890 ISO
    detection of temperature stimulus involved in sensory perception of pain GO:0050965 ISO
    response to corticosterone GO:0051412 ISO
    artery development GO:0060840 ISO
    cellular response to cocaine GO:0071314 ISO
    mastication GO:0071626 ISO
    renal albumin absorption GO:0097018 ISO
    renal filtration GO:0097205 ISO
    response to salt GO:1902074 ISO
    response to dopamine GO:1903350 ISO
    positive regulation of lactation GO:1903489 ISO
    response to angiotensin GO:1990776 ISO
Subcellular Localization
    extracellular space GO:0005615 ISO
    cytosol GO:0005829 ISO
    cytosol GO:0005829 ISO
    plasma membrane GO:0005886 IEA
    membrane GO:0016020 IBA
    axon GO:0030424 IBA
    axon GO:0030424 IDA
    dendrite GO:0030425 IBA
    dendrite GO:0030425 IDA
    vesicle GO:0031982 ISO
    dendritic spine GO:0043197 IDA
    intracellular membrane-bounded organelle GO:0043231 IEA
    intracellular membrane-bounded organelle GO:0043231 ISO
    cell body GO:0044297 IDA
    cell body GO:0044297 ISO
    postsynaptic membrane GO:0045211 IDA
    glial cell projection GO:0097386 ISO
    postsynapse GO:0098794 IDA
    glutamatergic synapse GO:0098978 IDA
 Experiment description of studies that identified Comt in sEVs
1
Experiment ID 35
MISEV standards
✔
CEM
Biophysical techniques
✔
TSG101|Alix|CD81|CD63
Enriched markers
✔
HSPA5
Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 19367702    
Organism Rattus norvegicus
Experiment description Characterization and Comprehensive Proteome Profiling of Exosomes Secreted by Hepatocytes.
Authors "Conde-Vancells J, Rodriguez-Suarez E, Embade N, Gil D, Matthiesen R, Valle M, Elortza F, Lu SC, Mato JM, Falcon-Perez JM"
Journal name JPR
Publication year 2008
Sample Hepatocytes
Sample name Hepatocytes
Isolation/purification methods Differential centrifugation
Filtration
Sucrose density gradient
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [QTOF]
Western blotting
2
Experiment ID 98
MISEV standards
✔
EM
Biophysical techniques
✔
TSG101|HSP90|HSC70|MHCI
Enriched markers
✘ Negative markers
✘ Particle analysis
Identified molecule protein
Identification method Mass spectrometry [Orbitrap]
PubMed ID 21828046    
Organism Rattus norvegicus
Experiment description The proteo-lipidic composition of exosomes changes during reticulocyte maturation.
Authors "Carayon K, Chaoui K, Ronzier E, Lazar I, Bertrand-Michel J, Roques V, Balor S, Terce F, Lopez A, Salome L, Joly E."
Journal name JBC
Publication year 2011
Sample Reticulocytes
Sample name Reticulocytes - D7 Rep 2
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.25 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
 Protein-protein interactions for Comt
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.



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