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The protein encoded by this gene belongs to the pyridine nucleotide-disulfide oxidoreductase family, and is a member of the thioredoxin (Trx) system. Three thioredoxin reductase (TrxR) isozymes are found in mammals. TrxRs are selenocysteine-containing flavoenzymes, which reduce thioredoxins, as well as other substrates, and play a key role in redox homoeostasis. This gene encodes a mitochondrial form important for scavenging reactive oxygen species in mitochondria. It functions as a homodimer containing FAD, and selenocysteine (Sec) at the active site. Sec is encoded by UGA codon that normally signals translation termination. The 3' UTRs of selenoprotein mRNAs contain a conserved stem-loop structure, the Sec insertion sequence (SECIS) element, which is necessary for the recognition of UGA as a Sec codon rather than as a stop signal. Alternatively spliced transcript variants encoding different isoforms, including a few localized in the cytosol and some lacking the C-terminal Sec residue, have been found for this gene. [provided by RefSeq, Jun 2017]
TXNRD2 (Thioredoxin Reductase 2) is a Protein Coding gene. Diseases associated with TXNRD2 include Glucocorticoid Deficiency 5 and Familial Glucocorticoid Deficiency. Among its related pathways are Folate Metabolism and Detoxification of Reactive Oxygen Species. Gene Ontology (GO) annotations related to this gene include oxidoreductase activity and NADP binding. An important paralog of this gene is TXNRD1.
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0000166 | nucleotide binding | IEA | -- |
GO:0004791 | thioredoxin-disulfide reductase activity | TAS,ISS | -- |
GO:0005515 | protein binding | IPI | 20413580 |
GO:0009055 | electron transfer activity | IEA | -- |
GO:0016491 | oxidoreductase activity | IEA | -- |
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0005623 | cell | IEA | -- |
GO:0005737 | cytoplasm | IBA | 21873635 |
GO:0005739 | mitochondrion | IBA,IDA | 10215850 |
GO:0005759 | mitochondrial matrix | TAS | -- |
GO:0005829 | cytosol | IDA | -- |
SuperPathway | Contained pathways | ||
---|---|---|---|
1 | Folate Metabolism | ||
2 | Glucose / Energy Metabolism | ||
3 | Gastric cancer | ||
4 | Pathways in cancer | ||
5 | Selenocompound metabolism |
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0000305 | response to oxygen radical | TAS | 10455115 |
GO:0022900 | electron transport chain | IEA | -- |
GO:0034599 | cellular response to oxidative stress | TAS | -- |
GO:0045454 | cell redox homeostasis | IEA,IMP | 24601690 |
GO:0055114 | oxidation-reduction process | IEA | -- |
Name | Synonyms | Role | CAS Number | PubChem IDs | PubMed IDs | |
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selenite |
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14124-67-5 | ||||
3-Deoxy-D-glycero-D-galacto-2-nonulosonic acid |
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22594-61-2 |
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Hydrogen Ion |
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Hydrogen selenide |
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Methaneselenol |
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ExUns: | 1 | ^ | 2 | ^ | 3 | ^ | 4 | ^ | 5 | ^ | 6 | ^ | 7 | ^ | 8 | ^ | 9a | · | 9b | ^ | 10a | · | 10b | · | 10c | · | 10d | ^ | 11 | ^ | 12 | ^ | 13 | ^ | 14 | ^ | 15 | ^ | 16a | · | 16b | · | 16c |
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SP1: | - | - | - | - | |||||||||||||||||||||||||||||||||||||||
SP2: | |||||||||||||||||||||||||||||||||||||||||||
SP3: | - | - | - | - | - | ||||||||||||||||||||||||||||||||||||||
SP4: | - | ||||||||||||||||||||||||||||||||||||||||||
SP5: | |||||||||||||||||||||||||||||||||||||||||||
SP6: | |||||||||||||||||||||||||||||||||||||||||||
SP7: | |||||||||||||||||||||||||||||||||||||||||||
SP8: |
This gene was present in the common ancestor of animals and fungi.
Organism | Taxonomy | Gene | Similarity | Type | Details |
---|---|---|---|---|---|
Chimpanzee (Pan troglodytes) |
Mammalia | TXNRD2 30 31 |
|
OneToOne | |
Dog (Canis familiaris) |
Mammalia | TXNRD2 30 31 |
|
OneToOne | |
Cow (Bos Taurus) |
Mammalia | TXNRD2 30 31 |
|
OneToOne | |
Mouse (Mus musculus) |
Mammalia | Txnrd2 30 17 31 |
|
OneToOne | |
Rat (Rattus norvegicus) |
Mammalia | Txnrd2 30 |
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Platypus (Ornithorhynchus anatinus) |
Mammalia | TXNRD2 31 |
|
OneToOne | |
Oppossum (Monodelphis domestica) |
Mammalia | TXNRD2 31 |
|
OneToOne | |
Chicken (Gallus gallus) |
Aves | TXNRD2 30 31 |
|
OneToOne | |
Tropical Clawed Frog (Silurana tropicalis) |
Amphibia | txnrd2 30 |
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African clawed frog (Xenopus laevis) |
Amphibia | txnrd2-prov 30 |
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Zebrafish (Danio rerio) |
Actinopterygii | txnrd2 31 |
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OneToMany | |
TXNRD2 (1 of 2) 31 |
|
OneToMany | |||
African malaria mosquito (Anopheles gambiae) |
Insecta | TRXR 30 |
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Fruit Fly (Drosophila melanogaster) |
Insecta | Trxr-1 30 31 32 |
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OneToMany | |
Trxr-2 31 32 |
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OneToMany | |||
Worm (Caenorhabditis elegans) |
Secernentea | trxr-2 30 31 |
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ManyToMany | |
C06G3.7 32 |
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ZK637.10 32 |
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Baker's yeast (Saccharomyces cerevisiae) |
Saccharomycetes | GLR1 31 |
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OneToMany |
SNP ID | Clinical significance and condition | Chr 22 pos | Variation | AA Info | Type |
---|---|---|---|---|---|
641801 | Uncertain Significance: Primary dilated cardiomyopathy | 19,878,121(-) | C/T | MISSENSE_VARIANT,NON_CODING_TRANSCRIPT_VARIANT | |
642745 | Uncertain Significance: Primary dilated cardiomyopathy | 19,898,067(-) | C/T | MISSENSE_VARIANT,NON_CODING_TRANSCRIPT_VARIANT | |
644032 | Uncertain Significance: Primary dilated cardiomyopathy | 19,878,128(-) | G/C | MISSENSE_VARIANT,NON_CODING_TRANSCRIPT_VARIANT | |
646057 | Uncertain Significance: Primary dilated cardiomyopathy | 19,931,027(-) | T/C | INTRON_VARIANT | |
647175 | Uncertain Significance: Primary dilated cardiomyopathy | 19,883,374(-) | C/T | MISSENSE_VARIANT,NON_CODING_TRANSCRIPT_VARIANT |
Variant ID | Type | Subtype | PubMed ID |
---|---|---|---|
dgv1289e212 | CNV | loss | 25503493 |
dgv1290e212 | CNV | loss | 25503493 |
dgv72n68 | CNV | loss | 17160897 |
dgv7983n54 | CNV | gain | 21841781 |
esv1088050 | CNV | deletion | 17803354 |
esv1459761 | CNV | insertion | 17803354 |
esv2670386 | CNV | deletion | 23128226 |
esv3310499 | CNV | novel sequence insertion | 20981092 |
esv3347530 | CNV | duplication | 20981092 |
esv3418873 | CNV | duplication | 20981092 |
esv3557937 | CNV | deletion | 23714750 |
esv3568260 | CNV | loss | 25503493 |
esv3568269 | CNV | loss | 25503493 |
esv3575418 | CNV | gain | 25503493 |
esv3647279 | CNV | gain | 21293372 |
esv3647280 | CNV | gain | 21293372 |
esv3647282 | CNV | loss | 21293372 |
esv3893434 | CNV | gain | 25118596 |
esv991750 | CNV | insertion | 20482838 |
nsv1129685 | CNV | tandem duplication | 24896259 |
nsv3559 | CNV | insertion | 18451855 |
nsv469641 | CNV | loss | 16826518 |
nsv513585 | CNV | insertion | 21212237 |
nsv515664 | CNV | loss | 19592680 |
nsv588238 | CNV | loss | 21841781 |
nsv828938 | CNV | gain | 20364138 |
nsv828939 | CNV | loss | 20364138 |
nsv834129 | CNV | loss | 17160897 |
nsv834130 | CNV | loss | 17160897 |
nsv953025 | CNV | deletion | 24416366 |
Disorder | Aliases | PubMed IDs |
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glucocorticoid deficiency 5 |
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familial glucocorticoid deficiency |
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familial isolated dilated cardiomyopathy |
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thyroid hormone resistance, generalized, autosomal dominant |
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generalized resistance to thyroid hormone |
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