Annotations: 4QBO

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4qboa1	Alpha and beta proteins (a/b)	Restriction endonuclease-like	Restriction endonuclease-like	Virus-type replication-repair nuclease (VRR-Nuc)	saNUC	(Streptococcus phage P9 ) [TaxId: 403905 ],	SCOPe (2.08)
A	d4qboa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Streptococcus phage P9 ) [TaxId: 403905 ],	SCOPe (2.08)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	VRR_NUC	e4qboA1	A: a/b three-layered sandwiches	X: Restriction endonuclease-like	H: Restriction endonuclease-like (From Topology)	T: Restriction endonuclease-like	F: VRR_NUC	ECOD (1.6)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.1350.10	Alpha Beta	3-Layer(aba) Sandwich	Trna Endonuclease	Chain: A, domain 1	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Nuclease	binding organic cyclic compound binding nucleic acid binding nuclease activity hydrolase activity, acting on ester bonds hydrolase activity catalytic activity cation binding ion binding metal ion binding small molecule binding	-	-