Annotations: 1Q8R

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1q8ra_	Alpha and beta proteins (a+b)	Bacillus chorismate mutase-like	Holliday junction resolvase RusA	Holliday junction resolvase RusA	Holliday junction resolvase RusA	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1q8rb_	Alpha and beta proteins (a+b)	Bacillus chorismate mutase-like	Holliday junction resolvase RusA	Holliday junction resolvase RusA	Holliday junction resolvase RusA	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Holliday junction resolvase RusA	8027533	4001464	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Holliday junction resolvase RusA	8039912	3001638	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Holliday junction resolvase RusA	8039912	3001638	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	RusA	e1q8rA1	A: a+b three layers	X: Bacillus chorismate mutase-like	H: Holliday junction resolvase RusA (From Topology)	T: Holliday junction resolvase RusA	F: RusA	ECOD (1.6)
B	RusA	e1q8rB1	A: a+b three layers	X: Bacillus chorismate mutase-like	H: Holliday junction resolvase RusA (From Topology)	T: Holliday junction resolvase RusA	F: RusA	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.1330.70	Alpha Beta	2-Layer Sandwich	60s Ribosomal Protein L30	Chain: A	CATH (4.3.0)
B	3.30.1330.70	Alpha Beta	2-Layer Sandwich	60s Ribosomal Protein L30	Chain: A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF05866	Endodeoxyribonuclease RusA (RusA)	Endodeoxyribonuclease RusA	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Crossover junction endodeoxyribonuclease rusA	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding endonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 3'-phosphomonoesters endonuclease activity catalytic activity, acting on a nucleic acid hydrolase activity crossover junction DNA endonuclease activity DNA nuclease activity DNA endonuclease activity DNA endonuclease activity, producing 3'-phosphomonoesters cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding endonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 3'-phosphomonoesters endonuclease activity catalytic activity, acting on a nucleic acid hydrolase activity crossover junction DNA endonuclease activity DNA nuclease activity DNA endonuclease activity DNA endonuclease activity, producing 3'-phosphomonoesters catalytic activity, acting on DNA nuclease activity hydrolase activity, acting on ester bonds catalytic activity identical protein binding protein binding protein homodimerization activity protein dimerization activity DNA secondary structure binding DNA binding organic cyclic compound binding four-way junction DNA binding nucleic acid binding	cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process macromolecule metabolic process cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process macromolecule metabolic process DNA repair DNA recombination	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036614	Holliday junction resolvase RusA-like superfamily	Homologous Superfamily
A, B	IPR016281	Crossover junction endodeoxyribonuclease, RusA	Family
A, B	IPR008822	Holliday junction resolvase RusA-like	Family

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.