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Sequence Detail
ID/Version
Q68G58 Q9CS12 Q8BYE9 Q8R328 Q8R018 Q8BJP7 Q8BUZ2 Q8BTR7 (UniProt | EBI) Last sequence update: 2004-10-11
Last annotation update: 2025-06-18
Sequence
description
from provider
RecName: Full=DNA-(apurinic or apyrimidinic site) endonuclease 2; EC=3.1.11.2 {ECO:0000250|UniProtKB:Q9UBZ4};AltName: Full=APEX nuclease 2;AltName: Full=Apurinic-apyrimidinic endonuclease 2; Short=AP endonuclease 2;
Provider SWISS-PROT
Sequence
Polypeptide 516 aa
For this sequence
Source
Organism mouse
See UniProt | EBI for source
Annotated genes and markers Follow the symbol links to get more information on the GO terms, expression assays, orthologs, phenotypic alleles, and other information for the genes or markers below.
Type Symbol Name GO Terms Expression
Assays
Orthologs Phenotypic
Alleles
Gene Apex2 apurinic/apyrimidinic endonuclease 2 33 96 3 11
Sequence references in MGI J:82005 Ide Y, et al., Characterization of the genomic structure and expression of the mouse Apex2 gene( small star, filled ). Genomics. 2003 Jan;81(1):47-57
J:95267 Ide Y, et al., Growth retardation and dyslymphopoiesis accompanied by G2/M arrest in APEX2-null mice. Blood. 2004 Dec 15;104(13):4097-103
J:99680 The FANTOM Consortium and RIKEN Genome Exploration Research Group and Genome Science Group (Genome Network Project Core Group), The Transcriptional Landscape of the Mammalian Genome. Science. 2005;309(5740):1559-1563
J:128500 Guikema JE, et al., APE1- and APE2-dependent DNA breaks in immunoglobulin class switch recombination. J Exp Med. 2007 Nov 26;204(12):3017-26
J:151678 Sabouri Z, et al., Apex2 is required for efficient somatic hypermutation but not for class switch recombination of immunoglobulin genes. Int Immunol. 2009 Aug;21(8):947-55

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
01/20/2026
MGI 6.24
The Jackson Laboratory