GPX3 glutathione peroxidase 3
Gene ID: 2878, updated on 17-Sep-2024Gene type: protein coding
Also known as: GPx-P; GSHPx-3; GSHPx-P
- See all available tests in GTR for this gene
- Go to complete Gene record for GPX3
- Go to Variation Viewer for GPX3 variants
Summary
The protein encoded by this gene belongs to the glutathione peroxidase family, members of which catalyze the reduction of organic hydroperoxides and hydrogen peroxide (H2O2) by glutathione, and thereby protect cells against oxidative damage. Several isozymes of this gene family exist in vertebrates, which vary in cellular location and substrate specificity. This isozyme is secreted, and is abundantly found in plasma. Downregulation of expression of this gene by promoter hypermethylation has been observed in a wide spectrum of human malignancies, including thyroid cancer, hepatocellular carcinoma and chronic myeloid leukemia. This isozyme is also a selenoprotein, containing the rare amino acid selenocysteine (Sec) at its active site. Sec is encoded by the UGA codon, which normally signals translation termination. The 3' UTRs of selenoprotein mRNAs contain a conserved stem-loop structure, designated the Sec insertion sequence (SECIS) element, that is necessary for the recognition of UGA as a Sec codon, rather than as a stop signal. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Jul 2016]
Genomic context
- Location:
- 5q33.1
- Sequence:
- Chromosome: 5; NC_000005.10 (151020591..151028988)
- Total number of exons:
- 6
Variation
| Resource | Links for this gene |
|---|---|
| ClinVar | Variants reported to ClinVar |
| dbVar | Studies and variants |
| SNP | Variation Viewer for GPX3 variants |
| Genome viewer | Explore NCBI-annotated and select non-NCBI annotated genome assemblies |
- ClinVarRelated medical variations
- dbVarLink from Gene to dbVar
- OMIMLink to related OMIM entry
- PubMed (OMIM)Gene links to PubMed derived from omim_pubmed_cited links
- RefSeq RNAsLink to Nucleotide RefSeq RNAs
- Variation ViewerRelated Variants
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