REPAIRtoire - a database of DNA repair pathways

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MRE11A

MRE11 meiotic recombination 11 homolog A (S. cerevisiae)

On chromosome: 11q21
Known also as: ATLD; HNGS1; MRE11; MRE11B;


NCBI Gene ID: 4361
NCBI Ensembl Id: ENSG00000020922
MIM Id: (from NCBI OMIM database) 600814
Species: Homo sapiens

This gene encodes a nuclear protein involved in homologous recombination, telomere length maintenance, and DNA double-strand break repair. By itself, the protein has 3' to 5' exonuclease activity and endonuclease activity. The protein forms a complex with the RAD50 homolog; this complex is required for nonhomologous joining of DNA ends and possesses increased single-stranded DNA endonuclease and 3' to 5' exonuclease activities. In conjunction with a DNA ligase, this protein promotes the joining of noncomplementary ends in vitro using short homologies near the ends of the DNA fragments. This gene has a pseudogene on chromosome 3. Alternative splicing of this gene results in two transcript variants encoding different isoforms. [provided by RefSeq]


Gene sequence:
[Download sequence]

Proteins coded by this gene:
Diseases related to this gene:
References:

Authors Title Journal
Paull TT, Gellert M The 3' to 5' exonuclease activity of Mre 11 facilitates repair of DNA double-strand breaks. Mol Cell June 1, 1998
Gatei M, Young D, Cerosaletti KM, Desai-Mehta A, Spring K, Kozlov S, Lavin MF, Gatti RA, Concannon P, Khanna K ATM-dependent phosphorylation of nibrin in response to radiation exposure. Nat Genet May 1, 2000
Lee JH, Paull TT ATM activation by DNA double-strand breaks through the Mre11-Rad50-Nbs1 complex. Science April 22, 2005

Last modification of this entry: Oct. 6, 2010.

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