The DNA repair enzyme. apurinic/apyrimidinic endonuclease (or redox effector factor-1. APE/Ref-1). is involved in base excision repair of apurinic/apyrimidinic sites after oxidative DNA damage. https://www.diegojavierfares.com/amazing-find-Bonnet-Protector-Guard-Suits-Holden-Calais-VT-VX-8-1997-9-2002-H260B-hot-choice/