Human APEX nuclease (apurinic/apyrimidinic endonuclease) 2 ELISA Kit | APEX2 elisa kit
Human DNA- (apurinic or apyrimidinic site) lyase, APEX2 ELISA Kit
NCBI and Uniprot Product Information
NCBI Description
Apurinic/apyrimidinic (AP) sites occur frequently in DNA molecules by spontaneous hydrolysis, by DNA damaging agents or by DNA glycosylases that remove specific abnormal bases. AP sites are pre-mutagenic lesions that can prevent normal DNA replication so the cell contains systems to identify and repair such sites. Class II AP endonucleases cleave the phosphodiester backbone 5' to the AP site. This gene encodes a protein shown to have a weak class II AP endonuclease activity. Most of the encoded protein is located in the nucleus but some is also present in mitochondria. This protein may play an important role in both nuclear and mitochondrial base excision repair. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Nov 2012]
Uniprot Description
APEX2: Function as a weak apurinic/apyrimidinic (AP) endodeoxyribonuclease in the DNA base excision repair (BER) pathway of DNA lesions induced by oxidative and alkylating agents. Initiates repair of AP sites in DNA by catalyzing hydrolytic incision of the phosphodiester backbone immediately adjacent to the damage, generating a single-strand break with 5'-deoxyribose phosphate and 3'-hydroxyl ends. Displays also double-stranded DNA 3'-5' exonuclease, 3'-phosphodiesterase activities. Shows robust 3'-5' exonuclease activity on 3'-recessed heteroduplex DNA and is able to remove mismatched nucleotides preferentially. Shows fairly strong 3'-phosphodiesterase activity involved in the removal of 3'-damaged termini formed in DNA by oxidative agents. In the nucleus functions in the PCNA-dependent BER pathway. Required for somatic hypermutation (SHM) and DNA cleavage step of class switch recombination (CSR) of immunoglobulin genes. Required for proper cell cycle progression during proliferation of peripheral lymphocytes. Belongs to the DNA repair enzymes AP/ExoA family.
Protein type: EC 4.2.99.18; Lyase; Mitochondrial
Chromosomal Location of Human Ortholog: Xp11.21
Cellular Component: intracellular membrane-bound organelle; mitochondrial inner membrane; nucleolus; nucleus
Molecular Function: DNA-(apurinic or apyrimidinic site) lyase activity; DNA binding; zinc ion binding; double-stranded DNA specific 3'-5' exodeoxyribonuclease activity
Biological Process: base-excision repair; DNA catabolic process, exonucleolytic; cell cycle; DNA catabolic process, endonucleolytic; DNA recombination
Research Articles on APEX2
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Product Notes
The Human APEX2 apex2 (Catalog #AAA9337861) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA9337861 ELISA Kit recognizes Human APEX2. It is sometimes possible for the material contained within the vial of "APEX nuclease (apurinic/apyrimidinic endonuclease) 2, ELISA Kit" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.Disclaimer
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