A DNA repair enzyme that catalyses the excision of ribose residues at apurinic and apyrimidinic DNA sites that can result from the action of DNA GLYCOSYLASES. The enzyme catalyzes a beta-elimination reaction in which the C-O-P bond 3' to the apurinic or apyrimidinic site in DNA is broken, leaving a 3'-terminal unsaturated sugar and a product with a terminal 5'-phosphate. This enzyme was previously listed under EC 3.1.25.2.
Also Known As:
AP Endonuclease; AP Lyase; Apurine-Apyrimidine Endonuclease; Apurinic Endonuclease; Apurine Apyrimidine Endonuclease; DNA Endonuclease, Apurinic; Endonuclease, AP; Endonuclease, Apurine-Apyrimidine; Endonuclease, Apurinic; Endonuclease, Apurinic DNA; Apurinic DNA Endonuclease; DNA Lyase (Apurinic or Apyrimidinic); Endodeoxyribonuclease (Apurinic or Apyrimidinic)