1Q8R | pdb_00001q8r

Structure of E.coli RusA Holliday junction resolvase

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
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)
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)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e1q8rB1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: tRNA-synt_2	F:	ECOD (20:10:01)
A		e1q8rA1	A: FwdE/GAPDH domain-like	X: Holliday junction resolvase RusA	H: Holliday junction resolvase RusA	T: RusA	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.1330.70	Alpha Beta	2-Layer Sandwich	60s Ribosomal Protein L30	Chain: A	CATH (4.3.0)
A	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 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 hydrolase activity, acting on ester bonds cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding 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 hydrolase activity, acting on ester bonds catalytic activity, acting on DNA nuclease activity catalytic activity identical protein binding protein binding protein homodimerization activity protein dimerization activity DNA secondary structure binding DNA 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 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 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.