3HQG

Crystal structure of restriction endonuclease EcoRII catalytic C-terminal domain in complex with cognate DNA

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Restriction endonuclease-like	8036734	3000104	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	PF09019	e3hqgA1	A: a/b three-layered sandwiches	X: Restriction endonuclease-like	H: Restriction endonuclease-like (From Topology)	T: Restriction endonuclease-like	F: PF09019	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.91.80	Alpha Beta	3-Layer(aba) Sandwich	Restriction Endonuclease		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF09019	EcoRII C terminal (EcoRII-C)	EcoRII C terminal	The C-terminal catalytic domain of the Restriction Endonuclease EcoRII has a restriction endonuclease-like fold with a central five-stranded mixed beta-sheet surrounded on both sides by alpha-helices. It cleaves DNA specifically at single 5' CCWGG si ...	The C-terminal catalytic domain of the Restriction Endonuclease EcoRII has a restriction endonuclease-like fold with a central five-stranded mixed beta-sheet surrounded on both sides by alpha-helices. It cleaves DNA specifically at single 5' CCWGG sites [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Type-2 restriction enzyme EcoRII	DNA binding binding organic cyclic compound binding nucleic acid binding endonuclease activity catalytic activity, acting on a nucleic acid endodeoxyribonuclease activity, producing 5'-phosphomonoesters hydrolase activity DNA nuclease activity type II site-specific deoxyribonuclease activity restriction endodeoxyribonuclease activity DNA endonuclease activity nuclease activity hydrolase activity, acting on ester bonds DNA binding binding organic cyclic compound binding nucleic acid binding endonuclease activity catalytic activity, acting on a nucleic acid endodeoxyribonuclease activity, producing 5'-phosphomonoesters hydrolase activity DNA nuclease activity type II site-specific deoxyribonuclease activity restriction endodeoxyribonuclease activity DNA endonuclease activity nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on DNA endonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters catalytic activity	biological process involved in interspecies interaction between organisms response to stimulus DNA restriction-modification system clearance of foreign intracellular nucleic acids response to biotic stimulus nucleobase-containing compound metabolic process DNA modification organic substance metabolic process response to stress response to external biotic stimulus response to other organism defense response defense response to symbiont response to external stimulus biological process involved in interspecies interaction between organisms response to stimulus DNA restriction-modification system clearance of foreign intracellular nucleic acids response to biotic stimulus nucleobase-containing compound metabolic process DNA modification organic substance metabolic process response to stress response to external biotic stimulus response to other organism defense response defense response to symbiont response to external stimulus primary metabolic process clearance of foreign intracellular DNA DNA metabolic process nucleic acid metabolic process organic cyclic compound metabolic process defense response to other organism macromolecule modification metabolic process macromolecule metabolic process	-
B	5'-D(TPCPGPAPCPCPAPGPGPCPTPA)-3'	-	-	-
C	5'-D(TPAPGPCPCPTPGPGPTPCPGPA)-3'	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR015300	DNA-binding pseudobarrel domain superfamily	Homologous Superfamily
A	IPR011335	Restriction endonuclease type II-like	Homologous Superfamily
A	IPR038365	EcoRII, C-terminal domain superfamily	Homologous Superfamily
A	IPR023372	Restriction endonuclease, type II, EcoRII, N-terminal	Domain
A	IPR015109	Restriction endonuclease, type II, EcoRII, C-terminal	Domain

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.