Gene description for NCBP2
Gene name nuclear cap binding protein subunit 2, 20kDa
Gene symbol NCBP2
Other names/aliases CBC2
Species Homo sapiens
 Database cross references - NCBP2
ExoCarta ExoCarta_22916
Entrez Gene 22916
HGNC 7659
MIM 605133
UniProt P52298  
 NCBP2 identified in exosomes derived from the following tissue/cell type
Thymus 23844026    
 Gene ontology annotations for NCBP2
Molecular Function
    nucleotide binding GO:0000166 IEA
    protein binding GO:0005515 IPI
    RNA cap binding GO:0000339 NAS
    RNA binding GO:0003723 IDA
    poly(A) RNA binding GO:0044822 IDA
    RNA 7-methylguanosine cap binding GO:0000340 IDA
Biological Process
    ncRNA metabolic process GO:0034660 TAS
    termination of RNA polymerase II transcription GO:0006369 TAS
    gene expression GO:0010467 TAS
    mRNA splicing, via spliceosome GO:0000398 TAS
    snRNA export from nucleus GO:0006408 NAS
    mRNA cis splicing, via spliceosome GO:0045292 IDA
    regulation of translational initiation GO:0006446 IDA
    transcription from RNA polymerase II promoter GO:0006366 TAS
    nuclear-transcribed mRNA catabolic process, nonsense-mediated decay GO:0000184 TAS
    histone mRNA metabolic process GO:0008334 TAS
    transcription elongation from RNA polymerase II promoter GO:0006368 TAS
    RNA splicing GO:0008380 TAS
    7-methylguanosine mRNA capping GO:0006370 TAS
    positive regulation of viral transcription GO:0050434 TAS
    mRNA 3'-end processing GO:0031124 TAS
    positive regulation of RNA export from nucleus GO:0046833 ISS
    viral process GO:0016032 TAS
    spliceosomal snRNP assembly GO:0000387 TAS
    mRNA export from nucleus GO:0006406 TAS
    gene silencing by RNA GO:0031047 IEA
Subcellular Localization
    nucleoplasm GO:0005654 TAS
    cytosol GO:0005829 TAS
    nucleus GO:0005634 NAS
    mRNA cap binding complex GO:0005845 IDA
    nuclear cap binding complex GO:0005846 IBA
    cytoplasm GO:0005737 IDA
 Experiment description of studies that identified NCBP2 in exosomes
Experiment ID 217
ISEV standards
EV Biophysical techniques
EV Cytosolic markers
EV Membrane markers
EV Negative markers
EV Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23844026    
Organism Homo sapiens
Experiment description Characterization of human thymic exosomes.
Authors Skogberg G, Gudmundsdottir J, van der Post S, Sandstrom K, Bruhn S, Benson M, Mincheva-Nilsson L, Baranov V, Telemo E, Ekwall O.
Journal name PLoS One
Publication year 2013
Sample Thymus
Sample name Normal-Thymus
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for NCBP2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 HNRNPH1 3187
Reconstituted Complex Homo sapiens
2 NCBP1 4686
Affinity Capture-MS Homo sapiens
Co-crystal Structure Homo sapiens
Invitro Homo sapiens
Two-hybrid Homo sapiens
Invivo Homo sapiens
3 HNRNPF 3185
Affinity Capture-MS Homo sapiens
Reconstituted Complex Homo sapiens
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