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TREX1
three prime repair exonuclease 1
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On chromosome: 3p21.31
Known also as: CRV; AGS1; DRN3; HERNS; DKFZp434J0310;
This gene encodes the major 3'->5' DNA exonuclease in human cells. The protein is a non-processive exonuclease that may serve a proofreading function for a human DNA polymerase. It is also a component of the SET complex, and acts to rapidly degrade 3' ends of nicked DNA during granzyme A-mediated cell death. Mutations in this gene result in Aicardi-Goutieres syndrome, chilblain lupus, and Cree encephalitis. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq]
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Gene sequence:
Proteins coded by this gene:
References:
Authors
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Title
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Journal
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Hoss M, Robins P, Naven TJ, Pappin DJ, Sgouros J, Lindahl T
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A human DNA editing enzyme homologous to the Escherichia coli DnaQ/MutD protein.
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EMBO J
July 1, 1999
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Mazur DJ, Perrino FW
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Identification and expression of the TREX1 and TREX2 cDNA sequences encoding mammalian 3'-->5' exonucleases.
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J Biol Chem
July 9, 1999
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Mazur DJ, Perrino FW
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Structure and expression of the TREX1 and TREX2 3' --> 5' exonuclease genes.
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J Biol Chem
May 4, 2001
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Yoshioka K, Yoshioka Y, Hsieh P
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ATR kinase activation mediated by MutSalpha and MutLalpha in response to cytotoxic O6-methylguanine adducts.
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Mol Cell
May 19, 2006
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Last modification of this entry: Oct. 6, 2010.
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