Annotations: 5GKC

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Endonuclease_NS	e5gkcA1	A: few secondary structure elements	X: His-Me finger endonucleases (From Homology)	H: His-Me finger endonucleases	T: His-Me finger endonucleases	F: Endonuclease_NS	ECOD (1.6)
B	Endonuclease_NS	e5gkcB1	A: few secondary structure elements	X: His-Me finger endonucleases (From Homology)	H: His-Me finger endonucleases	T: His-Me finger endonucleases	F: Endonuclease_NS	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.570.10	Alpha Beta	3-Layer(aba) Sandwich	Extracellular Endonuclease	Chain A	CATH (4.3.0)
B	3.40.570.10	Alpha Beta	3-Layer(aba) Sandwich	Extracellular Endonuclease	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01223	DNA/RNA non-specific endonuclease (Endonuclease_NS)	DNA/RNA non-specific endonuclease	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Endonuclease G, mitochondrial	DNA endonuclease activity endonuclease activity catalytic activity, acting on DNA nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on a nucleic acid hydrolase activity double-stranded DNA endonuclease activity catalytic activity DNA nuclease activity identical protein binding protein binding binding protein homodimerization activity DNA endonuclease activity endonuclease activity catalytic activity, acting on DNA nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on a nucleic acid hydrolase activity double-stranded DNA endonuclease activity catalytic activity DNA nuclease activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity single-stranded DNA endodeoxyribonuclease activity catalytic activity, acting on RNA RNA endonuclease activity RNA nuclease activity sequence-specific DNA binding DNA binding organic cyclic compound binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	catabolic process RNA metabolic process primary metabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process RNA catabolic process DNA metabolic process DNA catabolic process catabolic process RNA metabolic process primary metabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process RNA catabolic process DNA metabolic process DNA catabolic process cellular component disassembly cell death cellular component organization execution phase of apoptosis apoptotic DNA fragmentation cellular component disassembly involved in execution phase of apoptosis apoptotic nuclear changes apoptotic process cellular component organization or biogenesis programmed cell death	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope organelle membrane mitochondrial intermembrane space membrane-enclosed lumen intracellular organelle lumen organelle envelope lumen organelle lumen nucleus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR018524	DNA/RNA non-specific endonuclease, active site	Active Site
A, B	IPR044929	DNA/RNA non-specific endonuclease superfamily	Homologous Superfamily
A, B	IPR044925	His-Me finger superfamily	Homologous Superfamily
A, B	IPR040255	Non-specific endonuclease	Family
A, B	IPR001604	DNA/RNA non-specific endonuclease/pyrophosphatase/phosphodiesterase domain	Domain
A, B	IPR020821	ENPP1-3/EXOG-like, endonuclease/phosphodiesterase domain	Domain

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.