Annotations: 6KI3

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
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)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, E [auth B]	PF01261	Xylose isomerase-like TIM barrel (AP_endonuc_2)	Xylose isomerase-like TIM barrel	This TIM alpha/beta barrel structure is found in xylose isomerase (Swiss:P19148) and in endonuclease IV (Swiss:P12638, EC:3.1.21.2). This domain is also found in the N termini of bacterial myo-inositol catabolism proteins. These are involved in the ...	This TIM alpha/beta barrel structure is found in xylose isomerase (Swiss:P19148) and in endonuclease IV (Swiss:P12638, EC:3.1.21.2). This domain is also found in the N termini of bacterial myo-inositol catabolism proteins. These are involved in the myo-inositol catabolism pathway, and is required for growth on myo-inositol in Rhizobium leguminosarum bv. viciae [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, E [auth B]	Probable AP endonuclease	nuclease activity hydrolase activity, acting on ester bonds hydrolase activity exonuclease activity catalytic activity DNA binding binding organic cyclic compound binding nucleic acid binding endonuclease activity cation binding transition metal ion binding zinc ion binding ion binding nuclease activity hydrolase activity, acting on ester bonds hydrolase activity exonuclease activity catalytic activity DNA binding binding organic cyclic compound binding nucleic acid binding endonuclease 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 cellular metabolic process cellular nitrogen compound metabolic process primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process heterocycle metabolic process cellular response to stress DNA damage response response to stress cellular response to stimulus response to stimulus cellular metabolic process cellular nitrogen compound metabolic process primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process heterocycle metabolic process cellular response to stress DNA damage response response to stress nitrogen compound metabolic process metabolic process cellular process macromolecule metabolic process cellular aromatic compound metabolic process DNA repair	host intracellular membrane-bounded organelle host cellular component host intracellular part host cell part host intracellular region cellular anatomical entity host cell nucleus host intracellular organelle virion component host cell cytoplasm
B [auth C], F	DNA (5'-D(GPCPAPGPCPGPTPCP*C)-3')	-	-	-
C [auth D], G	DNA (5'-D(P(3DR)PCPGPAPCPGPAPG)-3')	-	-	-
D [auth E], H	DNA (5'-D(CPCPTPCPGPTPCPGPGPGPGPAPCPGPCPTP*G)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.