Gene description for CR2
Gene name complement component (3d/Epstein Barr virus) receptor 2
Gene symbol CR2
Other names/aliases C3DR
CD21
CR
CVID7
SLEB9
Species Homo sapiens
 Database cross references - CR2
ExoCarta ExoCarta_1380
Vesiclepedia VP_1380
Entrez Gene 1380
HGNC 2336
MIM 120650
UniProt P20023  
 CR2 identified in sEVs derived from the following tissue/cell type
B cells 20458337    
B cells 20458337    
 Gene ontology annotations for CR2
Molecular Function
    virus receptor activity GO:0001618 NAS
    complement binding GO:0001848 IDA
    DNA binding GO:0003677 IDA
    complement receptor activity GO:0004875 NAS
    transmembrane signaling receptor activity GO:0004888 IDA
    transmembrane signaling receptor activity GO:0004888 NAS
    protein binding GO:0005515 IPI
    immunoglobulin receptor binding GO:0034987 IDA
    protein homodimerization activity GO:0042803 IDA
Biological Process
    complement receptor mediated signaling pathway GO:0002430 IEA
    T cell mediated immunity GO:0002456 IBA
    immune response GO:0006955 NAS
    complement activation, alternative pathway GO:0006957 IMP
    complement activation, classical pathway GO:0006958 IEA
    B cell differentiation GO:0030183 IDA
    B cell proliferation GO:0042100 IDA
    B cell activation GO:0042113 IDA
    negative regulation of complement activation, classical pathway GO:0045959 IBA
    symbiont entry into host cell GO:0046718 IDA
    type I interferon-mediated signaling pathway GO:0060337 IDA
Subcellular Localization
    extracellular space GO:0005615 IBA
    plasma membrane GO:0005886 IBA
    plasma membrane GO:0005886 IDA
    plasma membrane GO:0005886 TAS
    membrane GO:0016020 NAS
    receptor complex GO:0043235 IDA
    extracellular exosome GO:0070062 HDA
 Experiment description of studies that identified CR2 in sEVs
1
Experiment ID 80
MISEV standards
Biophysical techniques
CD81|MHCII
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20458337    
Organism Homo sapiens
Experiment description MHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis -Sample 2
Authors "Buschow SI, van Balkom BW, Aalberts M, Heck AJ, Wauben M, Stoorvogel W."
Journal name ICB
Publication year 2010
Sample B cells
Sample name RN (HLA-DR15)
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Immunobeads (MHC Class II)
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [FT-ICR]
Western blotting
2
Experiment ID 81
MISEV standards
Biophysical techniques
CD81|MHCII
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20458337    
Organism Homo sapiens
Experiment description MHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis - Sample 3
Authors "Buschow SI, van Balkom BW, Aalberts M, Heck AJ, Wauben M, Stoorvogel W."
Journal name ICB
Publication year 2010
Sample B cells
Sample name RN (HLA-DR15)
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Immunobeads (MHC Class II)
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [FT-ICR]
Western blotting
 Protein-protein interactions for CR2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 IFITM1 8519
Affinity Capture-Western Homo sapiens
2 CD81 975
Affinity Capture-Western Homo sapiens
3 LGALS1 3956
Affinity Capture-MS Homo sapiens
4 IFNA1  
Reconstituted Complex Homo sapiens
5 CR1 1378
Affinity Capture-Western Homo sapiens
6 FCER2 2208
Reconstituted Complex Homo sapiens
7 ANXA6 309
Reconstituted Complex Homo sapiens
8 CD19 930
Affinity Capture-Western Homo sapiens
Affinity Capture-Western Homo sapiens
View the network image/svg+xml
 Pathways in which CR2 is involved
PathwayEvidenceSource
Complement cascade TAS Reactome
Immune System TAS Reactome
Innate Immune System TAS Reactome
Regulation of Complement cascade TAS Reactome





Perform bioinformatics analysis of your extracellular vesicle data set using FunRich, a open access standalone tool. NEW UPDATED VERSION OF FunRich available for download (12/09/2016) from here