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EXOSC1
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  • SUMMARY

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  • EXOSC1
PROTEIN SUMMARY SECTION OVERVIEW GENE INFORMATION RNA DATA ANTIBODY DATA
GENERAL INFORMATIONi

General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.

Gene namei

Official gene symbol, which is typically a short form of the gene name, according to HGNC.

EXOSC1
Synonyms CGI-108, CSL4, Csl4p, hCsl4p, p13, SKI4, Ski4p
Gene descriptioni

Full gene name according to HGNC.

Exosome component 1
Protein classi

Assigned HPA protein class(es) for the encoded protein(s).

Disease related genes
Human disease related genes
Plasma proteins
Predicted locationi

All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.

  • Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.

  • Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).

The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.

Intracellular
Protein evidence Evidence at protein level (all genes)
GENE INFORMATIONi

Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.

Chromosome 10
Cytoband q24.1
Chromosome location (bp) 97435909 - 97446017
Number of transcriptsi

Number of protein-coding transcripts from the gene as defined by Ensembl.

6
Ensembl ENSG00000171311 (version 109)
Entrez gene 51013
HGNC HGNC:17286
UniProt Q9Y3B2 (UniProt - Evidence at protein level)
neXtProt NX_Q9Y3B2
GeneCards EXOSC1
Antibodypedia EXOSC1 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Non-catalytic component of the RNA exosome complex which has 3'->5' exoribonuclease activity and participates in a multitude of cellular RNA processing and degradation events. In the nucleus, the RNA exosome complex is involved in proper maturation of stable RNA species such as rRNA, snRNA and snoRNA, in the elimination of RNA processing by-products and non-coding 'pervasive' transcripts, such as antisense RNA species and promoter-upstream transcripts (PROMPTs), and of mRNAs with processing defects, thereby limiting or excluding their export to the cytoplasm. The RNA exosome may be involved in Ig class switch recombination (CSR) and/or Ig variable region somatic hypermutation (SHM) by targeting AICDA deamination activity to transcribed dsDNA substrates. In the cytoplasm, the RNA exosome complex is involved in general mRNA turnover and specifically degrades inherently unstable mRNAs containing AU-rich elements (AREs) within their 3' untranslated regions, and in RNA surveillance pathways, preventing translation of aberrant mRNAs. It seems to be involved in degradation of histone mRNA. The catalytic inactive RNA exosome core complex of 9 subunits (Exo-9) is proposed to play a pivotal role in the binding and presentation of RNA for ribonucleolysis, and to serve as a scaffold for the association with catalytic subunits and accessory proteins or complexes. EXOSC1 as peripheral part of the Exo-9 complex stabilizes the hexameric ring of RNase PH-domain subunits through contacts with EXOSC6 and EXOSC8.... show less
Molecular function (UniProt)i

Keywords assigned by UniProt to proteins due to their particular molecular function.

RNA-binding
Biological process (UniProt)i

Keywords assigned by UniProt to proteins because they are involved in a particular biological process.

rRNA processing
Gene summary (Entrez)i

Useful information about the gene from Entrez

This gene encodes a core component of the exosome. The mammalian exosome is required for rapid degradation of AU rich element-containing RNAs but not for poly(A) shortening. The association of this protein with the exosome is mediated by protein-protein interactions with ribosomal RNA-processing protein 42 and ribosomal RNA-processing protein 46. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Jan 2016]... show less
PROTEIN INFORMATIONi

The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.

The ENSP identifier links to the Ensembl website protein summary, while the ENST identifier links to the Ensembl website transcript summary for the selected splice variant. The data in the UniProt column can be expanded to show links to all matching UniProt identifiers for this protein.

The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.

The Gene Ontology terms assigned to this protein are listed if expanding the Gene ontology column. The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide (according to a majority of the signal peptide predictors SPOCTOPUS, SignalP 4.0, and Phobius) and the number of predicted transmembrane region(s) (according to MDM) are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
EXOSC1-201
ENSP00000359921
ENST00000370884
B1AMU7
[Direct mapping] Exosome complex component CSL4
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital malformations
   Congenital malformations of the nervous system
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000176 [nuclear exosome (RNase complex)]
GO:0000178 [exosome (RNase complex)]
GO:0005737 [cytoplasm]
GO:0006396 [RNA processing]
Show all
165 aa
17.8 kDa
No 0
EXOSC1-202
ENSP00000359922
ENST00000370885
B1AMU3
[Direct mapping] Exosome complex component CSL4
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital malformations
   Congenital malformations of the nervous system
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000176 [nuclear exosome (RNase complex)]
GO:0000178 [exosome (RNase complex)]
GO:0003723 [RNA binding]
GO:0005737 [cytoplasm]
GO:0006396 [RNA processing]
Show all
170 aa
18.8 kDa
No 0
EXOSC1-203
ENSP00000359923
ENST00000370886
B1AMU4
[Direct mapping] Exosome complex component CSL4
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital malformations
   Congenital malformations of the nervous system
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000176 [nuclear exosome (RNase complex)]
GO:0000178 [exosome (RNase complex)]
GO:0005737 [cytoplasm]
GO:0006396 [RNA processing]
Show all
178 aa
19.5 kDa
No 0
EXOSC1-204
ENSP00000359939
ENST00000370902
Q9Y3B2
[Direct mapping] Exosome complex component CSL4
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Plasma proteins
Disease related genes
Human disease related genes
   Congenital malformations
   Congenital malformations of the nervous system
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000176 [nuclear exosome (RNase complex)]
GO:0000177 [cytoplasmic exosome (RNase complex)]
GO:0000178 [exosome (RNase complex)]
GO:0003723 [RNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0005730 [nucleolus]
GO:0005737 [cytoplasm]
GO:0005829 [cytosol]
GO:0006364 [rRNA processing]
GO:0006396 [RNA processing]
GO:0006401 [RNA catabolic process]
GO:0101019 [nucleolar exosome (RNase complex)]
Show all
195 aa
21.5 kDa
No 0
EXOSC1-209
ENSP00000473303
ENST00000477692
R4GMQ7
[Direct mapping] Exosome complex component CSL4
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital malformations
   Congenital malformations of the nervous system
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000176 [nuclear exosome (RNase complex)]
GO:0000178 [exosome (RNase complex)]
GO:0003723 [RNA binding]
GO:0005737 [cytoplasm]
GO:0006396 [RNA processing]
Show all
143 aa
15.7 kDa
No 0
EXOSC1-210
ENSP00000473660
ENST00000485122
R4GNH9
[Direct mapping] Exosome complex component CSL4
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital malformations
   Congenital malformations of the nervous system
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000176 [nuclear exosome (RNase complex)]
GO:0000178 [exosome (RNase complex)]
GO:0005737 [cytoplasm]
GO:0006396 [RNA processing]
Show all
139 aa
15.1 kDa
No 0

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