Gene description for C4a
Gene name complement component 4A (Rodgers blood group)
Gene symbol C4a
Other names/aliases C4
C4-1
C4b
Species Rattus norvegicus
 Database cross references - C4a
ExoCarta ExoCarta_24233
Entrez Gene 24233
UniProt P08649  
 C4a identified in exosomes derived from the following tissue/cell type
Hepatocytes 19367702    
Reticulocytes 21828046    
Reticulocytes 21828046    
 Gene ontology annotations for C4a
Molecular Function
    complement component C1q binding GO:0001849 ISO
    molecular_function GO:0003674 ND
    endopeptidase inhibitor activity GO:0004866 IEA
Biological Process
    complement activation, classical pathway GO:0006958 IEA
    innate immune response GO:0045087 IEA
    positive regulation of apoptotic cell clearance GO:2000427 ISO
    complement activation GO:0006956 TAS
    inflammatory response GO:0006954 IEA
    negative regulation of endopeptidase activity GO:0010951 IEA
Subcellular Localization
    extracellular exosome GO:0070062 ISO
    blood microparticle GO:0072562 ISO
    extracellular region GO:0005576 IDA
    extracellular space GO:0005615 IEA
 Experiment description of studies that identified C4a in exosomes
1
Experiment ID 35
ISEV standards
CEM
EV Biophysical techniques
TSG101|Alix
EV Cytosolic markers
CD81|CD63
EV Membrane markers
HSPA5
EV Negative markers
EV 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 94
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP90|HSC70
EV Cytosolic markers
MHCI
EV Membrane markers
EV Negative markers
EV 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 - D4 Rep 1
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.16-1.21 g/mL
Molecules identified in the study Protein
Lipids
Methods used in the study Mass spectrometry [QSTAR]
Mass spectrometry [Orbitrap]
Western blotting
3
Experiment ID 95
ISEV standards
EM
EV Biophysical techniques
TSG101|HSP90|HSC70
EV Cytosolic markers
MHCI
EV Membrane markers
EV Negative markers
EV 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 1
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 C4a
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.
 Pathways in which C4a is involved
No pathways found





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