Annotations: 8QJN

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	DNA_topoisoIV	e8qjnB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: DNA_topoisoIV	ECOD (v294.2)
A	DNA_topoisoIV	e8qjnA1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: DNA_topoisoIV	ECOD (v294.2)

Chains	Accession	Name	Description	Comments	Source
A, B	PF02265	S1/P1 Nuclease (S1-P1_nuclease)	S1/P1 Nuclease	This family contains both S1 and P1 nucleases (EC:3.1.30.1) which cleave RNA and single stranded DNA with no base specificity.	Domain

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	S1/P1 Nuclease	binding nucleic acid binding endonuclease activity nuclease activity catalytic activity, acting on a nucleic acid catalytic activity hydrolase activity, acting on ester bonds hydrolase activity nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding cation binding ion binding binding nucleic acid binding endonuclease activity nuclease activity catalytic activity, acting on a nucleic acid catalytic activity hydrolase activity, acting on ester bonds hydrolase activity nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding cation binding ion binding metal ion binding	catabolic process primary metabolic process DNA metabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process DNA catabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process	-