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SMG5
HPA
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  • SMG5
PROTEIN SUMMARY 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.

SMG5
Synonyms EST1B, KIAA1089, LPTS-RP1, LPTSRP1, RP11-54H19.7, SMG-5
Gene descriptioni

Full gene name according to HGNC.

SMG5 nonsense mediated mRNA decay factor
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.

Membrane
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 1
Cytoband q22
Chromosome location (bp) 156249224 - 156282825
Number of transcriptsi

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

1
Ensembl ENSG00000198952 (version 109)
Entrez gene 23381
HGNC HGNC:24644
UniProt Q9UPR3 (UniProt - Evidence at protein level)
neXtProt NX_Q9UPR3
GeneCards SMG5
Antibodypedia SMG5 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Plays a role in nonsense-mediated mRNA decay. Does not have RNase activity by itself. Promotes dephosphorylation of UPF1. Together with SMG7 is thought to provide a link to the mRNA degradation machinery involving exonucleolytic pathways, and to serve as an adapter for UPF1 to protein phosphatase 2A (PP2A), thereby triggering UPF1 dephosphorylation. Necessary for TERT activity.... show less
Biological process (UniProt)i

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

Nonsense-mediated mRNA decay
Gene summary (Entrez)i

Useful information about the gene from Entrez

SMG5 is involved in nonsense-mediated mRNA decay (Ohnishi et al., 2003).[supplied by OMIM, Mar 2008]... 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 Splice variant identifier links to the Ensembl website protein summary for the selected splice variant. The data in the Swissprot and TrEMBL columns links to corresponding pages in the UniProt database.

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 length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide and number of predicted transmembrane region(s) according to in-house majority decision methods based on sets of predictors are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
SMG5-201
ENSP00000355261
ENST00000361813
Q9UPR3
[Direct mapping] Nonsense-mediated mRNA decay factor SMG5
Show all
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   # TM segments-based
   2TM proteins predicted by MDM
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000184 [nuclear-transcribed mRNA catabolic process, nonsense-mediated decay]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005697 [telomerase holoenzyme complex]
GO:0005737 [cytoplasm]
GO:0005829 [cytosol]
GO:0006406 [mRNA export from nucleus]
GO:0031625 [ubiquitin protein ligase binding]
GO:0032204 [regulation of telomere maintenance]
GO:0032210 [regulation of telomere maintenance via telomerase]
GO:0035303 [regulation of dephosphorylation]
GO:0042162 [telomeric DNA binding]
GO:0042826 [histone deacetylase binding]
GO:0051721 [protein phosphatase 2A binding]
GO:0070034 [telomerase RNA binding]
Show all
1016 aa
113.9 kDa
No 2

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