Gene description for Abat
Gene name 4-aminobutyrate aminotransferase
Gene symbol Abat
Other names/aliases Gabat
beta-AlaAT
Species Rattus norvegicus
 Database cross references - Abat
ExoCarta ExoCarta_81632
Vesiclepedia VP_81632
Entrez Gene 81632
UniProt P50554  
 Abat identified in sEVs derived from the following tissue/cell type
Hepatocytes 19367702    
Pancreatic cancer cells 20124479    
Pancreatic cancer cells 20124479    
 Gene ontology annotations for Abat
Molecular Function
    transaminase activity GO:0008483 IEA
    pyridoxal phosphate binding GO:0030170 IBA
    pyridoxal phosphate binding GO:0030170 IEA
    pyridoxal phosphate binding GO:0030170 ISO
    pyridoxal phosphate binding GO:0030170 ISS
    succinate-semialdehyde dehydrogenase binding GO:0032145 ISO
    succinate-semialdehyde dehydrogenase binding GO:0032145 ISS
    4-aminobutyrate:2-oxoglutarate transaminase activity GO:0034386 IDA
    4-aminobutyrate:2-oxoglutarate transaminase activity GO:0034386 ISO
    4-aminobutyrate:2-oxoglutarate transaminase activity GO:0034386 ISO
    4-aminobutyrate:2-oxoglutarate transaminase activity GO:0034386 ISS
    identical protein binding GO:0042802 ISO
    identical protein binding GO:0042802 ISS
    protein homodimerization activity GO:0042803 ISO
    metal ion binding GO:0046872 IEA
    (S)-3-amino-2-methylpropionate transaminase activity GO:0047298 IEA
    iron-sulfur cluster binding GO:0051536 IEA
Biological Process
    response to hypoxia GO:0001666 IMP
    copulation GO:0007620 IMP
    locomotory behavior GO:0007626 IMP
    response to xenobiotic stimulus GO:0009410 IDA
    gamma-aminobutyric acid metabolic process GO:0009448 ISO
    gamma-aminobutyric acid biosynthetic process GO:0009449 IMP
    gamma-aminobutyric acid catabolic process GO:0009450 IBA
    gamma-aminobutyric acid catabolic process GO:0009450 ISO
    response to iron ion GO:0010039 IDA
    negative regulation of gamma-aminobutyric acid secretion GO:0014053 IMP
    cerebellum development GO:0021549 IEP
    positive regulation of heat generation GO:0031652 IMP
    positive regulation of insulin secretion GO:0032024 IMP
    negative regulation of dopamine secretion GO:0033602 IMP
    response to nicotine GO:0035094 IMP
    exploration behavior GO:0035640 IMP
    response to cocaine GO:0042220 IMP
    response to ethanol GO:0045471 IDA
    negative regulation of blood pressure GO:0045776 IMP
    positive regulation of dopamine metabolic process GO:0045964 IMP
    behavioral response to cocaine GO:0048148 ISO
    nervous system process GO:0050877 ISS
    positive regulation of uterine smooth muscle contraction GO:0070474 IMP
    positive regulation of inhibitory postsynaptic potential GO:0097151 IMP
    positive regulation of prolactin secretion GO:1902722 IMP
    positive regulation of aspartate secretion GO:1904450 IMP
Subcellular Localization
    mitochondrion GO:0005739 IBA
    mitochondrion GO:0005739 ISO
    mitochondrion GO:0005739 ISS
    mitochondrial matrix GO:0005759 IDA
    4-aminobutyrate transaminase complex GO:0032144 ISO
    4-aminobutyrate transaminase complex GO:0032144 ISS
 Experiment description of studies that identified Abat 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 92
MISEV standards
EM
Biophysical techniques
HSP70|GAPDH|CD9|CD151
Enriched markers
Negative markers
Particle analysis
Identified molecule mrna
Identification method Microarray
PubMed ID 20124479    
Organism Rattus norvegicus
Experiment description Cell surface tetraspanin Tspan8 contributes to molecular pathways of exosome-induced endothelial cell activation.
Authors "Nazarenko I, Rana S, Baumann A, McAlear J, Hellwig A, Trendelenburg M, Lochnit G, Preissner KT, Zoller M."
Journal name CR
Publication year 2010
Sample Pancreatic cancer cells
Sample name AS
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.14-1.17 g/mL
Molecules identified in the study Protein
mRNA
Methods used in the study RT-PCR
Western blotting
RatRef-12 Microarray
FACS
Mass spectrometry [MALDI TOF]
3
Experiment ID 93
MISEV standards
EM
Biophysical techniques
HSP70|GAPDH|CD9|CD151
Enriched markers
Negative markers
Particle analysis
Identified molecule mrna
Identification method Microarray
PubMed ID 20124479    
Organism Rattus norvegicus
Experiment description Cell surface tetraspanin Tspan8 contributes to molecular pathways of exosome-induced endothelial cell activation.
Authors "Nazarenko I, Rana S, Baumann A, McAlear J, Hellwig A, Trendelenburg M, Lochnit G, Preissner KT, Zoller M."
Journal name CR
Publication year 2010
Sample Pancreatic cancer cells
Sample name AS-Tspan8
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.14-1.17 g/mL
Molecules identified in the study Protein
mRNA
Methods used in the study RT-PCR
Western blotting
 Protein-protein interactions for Abat
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.



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