Annotations: 8PKB

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Probable endonuclease 4	DNA-(apurinic or apyrimidinic site) endonuclease activity DNA endonuclease activity endonuclease activity catalytic activity, acting on DNA nuclease activity catalytic activity, acting on a nucleic acid catalytic activity DNA nuclease activity DNA binding binding nucleic acid binding hydrolase activity hydrolase activity, acting on ester bonds DNA endonuclease activity, producing 5'-phosphomonoesters DNA-(apurinic or apyrimidinic site) endonuclease activity DNA endonuclease activity endonuclease activity catalytic activity, acting on DNA nuclease activity catalytic activity, acting on a nucleic acid catalytic activity DNA nuclease activity DNA binding binding nucleic acid binding hydrolase activity hydrolase activity, acting on ester bonds DNA endonuclease activity, producing 5'-phosphomonoesters deoxyribonuclease IV (phage-T4-induced) activity phosphoric ester hydrolase activity phosphoric diester hydrolase activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process base-excision repair cellular response to stress DNA damage response response to stress metabolic process cellular process macromolecule metabolic process DNA repair	-

Chains	Accession	Name	Type
A	IPR013022	Xylose isomerase-like, TIM barrel domain	Domain
A	IPR001719	AP endonuclease 2	Family
A	IPR036237	Xylose isomerase-like superfamily	Homologous Superfamily
A	IPR018246	AP endonuclease 2, zinc binding site	Binding Site

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

8PKB | pdb_00008pkb