Annotations: 6KI3

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E [auth B]	AP_endonuc_2	e6ki3B1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: AP_endonuc_2	ECOD (1.6)
A	AP_endonuc_2	e6ki3A1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: AP_endonuc_2	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D [auth E], H	DNA (5'-D(CPCPTPCPGPTPCPGPGPGPGPAPCPGPCPTP*G)-3')	-	-	-
C [auth D], G	DNA (5'-D(P(3DR)PCPGPAPCPGPAPG)-3')	-	-	-
B [auth C], F	DNA (5'-D(GPCPAPGPCPGPTPCP*C)-3')	-	-	-
A, E [auth B]	Probable AP endonuclease	hydrolase activity, acting on ester bonds nuclease activity catalytic activity, acting on a nucleic acid hydrolase activity exonuclease activity catalytic activity DNA binding binding nucleic acid binding DNA-(apurinic or apyrimidinic site) endonuclease activity DNA endonuclease activity endonuclease activity catalytic activity, acting on DNA DNA nuclease activity hydrolase activity, acting on ester bonds nuclease activity catalytic activity, acting on a nucleic acid hydrolase activity exonuclease activity catalytic activity DNA binding binding nucleic acid binding DNA-(apurinic or apyrimidinic site) endonuclease activity DNA endonuclease activity endonuclease activity catalytic activity, acting on DNA DNA nuclease 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	host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus other organism part host intracellular organelle virion component host cell cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, E [auth B]	IPR001719	AP endonuclease 2	Family
A, E [auth B]	IPR036237	Xylose isomerase-like superfamily	Homologous Superfamily
A, E [auth B]	IPR013022	Xylose isomerase-like, TIM barrel domain	Domain
A, E [auth B]	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.