TP53I3 | |||||||||||||||||||||||||||||||||||||||||||||||||||
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Aliases | TP53I3 , PIG3, tumor protein p53 inducible protein 3 | ||||||||||||||||||||||||||||||||||||||||||||||||||
External IDs | OMIM: 605171 HomoloGene: 36617 GeneCards: TP53I3 | ||||||||||||||||||||||||||||||||||||||||||||||||||
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Wikidata | |||||||||||||||||||||||||||||||||||||||||||||||||||
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Putative quinone oxidoreductase is an enzyme that in humans is encoded by the TP53I3 gene. [3] [4] [5] [6]
The protein encoded by this gene is similar to oxidoreductases, which are enzymes involved in cellular responses to oxidative stresses and irradiation. This gene is induced by the tumor suppressor p53 and is thought to be involved in p53-mediated cell death. It contains a p53 consensus binding site in its promoter region and a downstream pentanucleotide microsatellite sequence. P53 has been shown to transcriptionally activate this gene by interacting with the downstream pentanucleotide microsatellite sequence. The microsatellite is polymorphic, with a varying number of pentanucleotide repeats directly correlated with the extent of transcriptional activation by p53. It has been suggested that the microsatellite polymorphism may be associated with differential susceptibility to cancer. At least two transcript variants encoding the same protein have been found for this gene. [6]
A microsatellite is a tract of repetitive DNA in which certain DNA motifs are repeated, typically 5–50 times. Microsatellites occur at thousands of locations within an organism's genome. They have a higher mutation rate than other areas of DNA leading to high genetic diversity. Microsatellites are often referred to as short tandem repeats (STRs) by forensic geneticists and in genetic genealogy, or as simple sequence repeats (SSRs) by plant geneticists.
Gamma-interferon-inducible protein Ifi-16 (Ifi-16) also known as interferon-inducible myeloid differentiation transcriptional activator is a protein that in humans is encoded by the IFI16 gene.
Egl nine homolog 2 is a protein that in humans is encoded by the EGLN2 gene. ELGN2 is an alpha-ketoglutarate-dependent hydroxylase, a superfamily of non-haem iron-containing proteins.
40S ribosomal protein S3a is a protein that in humans is encoded by the RPS3A gene.
NAD(P)H dehydrogenase, quinone 2, also known as QR2, is a protein that in humans is encoded by the NQO2 gene. It is a phase II detoxification enzyme which can carry out two or four electron reductions of quinones. Its mechanism of reduction is through a ping-pong mechanism involving its FAD cofactor. Initially in a reductive phase NQO2 binds to reduced dihydronicotinamide riboside (NRH) electron donor, and mediates a hydride transfer from NRH to FAD. Then, in an oxidative phase, NQO2 binds to its quinone substrate and reduces the quinone to a dihydroquinone. Besides the two catalytic FAD, NQO2 also has two zinc ions. It is not clear whether the metal has a catalytic role. NQO2 is a paralog of NQO1
NQO2 is a homodimer. NQO2 can be inhibited by resveratrol. One of QR2's binding sites responds to 2-iodomelatonin, and has been referred to as MT3.
Lipopolysaccharide-induced tumor necrosis factor-alpha factor is a protein that in humans is encoded by the LITAF gene.
Large proline-rich protein BAT2 is a protein that in humans is encoded by the BAT2 gene.
Death-inducer obliterator 1 is a protein that in humans is encoded by the DIDO1 gene.
Serine/threonine-protein kinase VRK1 is an enzyme that in humans is encoded by the VRK1 gene.
DnaJ homolog subfamily B member 9 is a protein that in humans is encoded by the DNAJB9 gene.
G2 and S phase-expressed protein 1 is an enzyme that in humans is encoded by the GTSE1 gene.
60S ribosomal protein L23 is a protein that in humans is encoded by the RPL23 gene.
Leucine-rich repeats and death domain containing, also known as LRDD or p53-induced protein with a death domain (PIDD), is a protein which in humans is encoded by the LRDD gene.
Galectin-7 is a protein that in humans is encoded by the LGALS7 gene.
NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial is an enzyme that in humans is encoded by the NDUFV3 gene.
39S ribosomal protein L41, mitochondrial is a protein that in humans is encoded by the MRPL41 gene.
Tumor protein p53-inducible protein 11 is a protein that in humans is encoded by the TP53I11 gene.
Dual serine/threonine and tyrosine protein kinase is an enzyme that in humans is encoded by the DSTYK gene.
Etoposide-induced protein 2.4 homolog is a protein that in humans is encoded by the EI24 gene.
Ribonucleoside-diphosphate reductase large subunit is an enzyme that in humans is encoded by the RRM1 gene.