Gene description for C4b
Gene name complement component 4B (Chido blood group)
Gene symbol C4b
Other names/aliases C4-2
C4l
Species Rattus norvegicus
 Database cross references - C4b
ExoCarta ExoCarta_406161
Entrez Gene 406161
 C4b identified in exosomes derived from the following tissue/cell type
Adipocytes 25998041    
Reticulocytes 21828046    
Reticulocytes 21828046    
Reticulocytes 21828046    
 Gene ontology annotations for C4b
Molecular Function
    complement component C1q binding GO:0001849 ISO
    complement binding GO:0001848 ISO
    carbohydrate binding GO:0030246 ISO
    molecular_function GO:0003674 ND
    endopeptidase inhibitor activity GO:0004866 IEA
Biological Process
    biological_process GO:0008150 ND
    immunoglobulin mediated immune response GO:0016064 ISO
    complement activation GO:0006956 ISO
    detection of molecule of bacterial origin GO:0032490 ISO
    negative regulation of endopeptidase activity GO:0010951 IEA
    inflammatory response GO:0006954 IEA
    positive regulation of apoptotic cell clearance GO:2000427 ISO
Subcellular Localization
    extracellular exosome GO:0070062 ISO
    other organism cell GO:0044216 ISO
    extracellular space GO:0005615 ISO
    blood microparticle GO:0072562 ISO
 Experiment description of studies that identified C4b in exosomes
1
Experiment ID 225
ISEV standards
EM
EV Biophysical techniques
GAPDH
EV Cytosolic markers
CD63
EV Membrane markers
EV Negative markers
NTA
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25998041    
Organism Rattus norvegicus
Experiment description Proteomic Analysis of Extracellular Vesicles Released by Adipocytes of Otsuka Long-Evans Tokushima Fatty (OLETF) Rats.
Authors Lee JE, Moon PG, Lee IK, Baek MC
Journal name Protein J
Publication year 2015
Sample Adipocytes
Sample name Adipocytes
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
2
Experiment ID 96
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 - D2 Rep 2
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 97
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 2
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
4
Experiment ID 98
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 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 C4b
  Protein Interactor ExoCarta ID Identification method PubMed Species
No interactions are found.
 Pathways in which C4b is involved
No pathways found





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