Annotations: 6J9N

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HNH_4	e6j9nA1	A: few secondary structure elements	X: His-Me finger endonucleases (From Homology)	H: His-Me finger endonucleases	T: His-Me finger endonucleases	F: HNH_4	ECOD (1.6)

Chains	Accession	Name	Description	Comments	Source
A	PF13395	HNH endonuclease (HNH_4)	HNH endonuclease	This HNH nuclease domain is found in CRISPR-related proteins.	Domain

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	AcrIIC3	-	-	-
A	CRISPR-associated endonuclease Cas9	DNA binding binding nucleic acid binding hydrolase activity catalytic activity endonuclease activity nuclease activity catalytic activity, acting on a nucleic acid RNA binding cation binding ion binding metal ion binding small molecule binding	biological process involved in interspecies interaction between organisms defense response to virus response to stimulus defense response response to other organism response to stress response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus maintenance of CRISPR repeat elements chromosome organization primary metabolic process DNA metabolic process biological process involved in interspecies interaction between organisms defense response to virus response to stimulus defense response response to other organism response to stress response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus maintenance of CRISPR repeat elements chromosome organization primary metabolic process DNA metabolic process maintenance of DNA repeat elements nucleic acid metabolic process cellular component organization nucleobase-containing compound metabolic process organelle organization cellular process metabolic process cellular component organization or biogenesis macromolecule metabolic process	-

Chains	Accession	Name	Type
A	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A	IPR041383	RuvC endonuclease subdomain 3	Domain
A	IPR028629	CRISPR-associated endonuclease Cas9	Family
A	IPR033114	Cas9-type HNH domain	Domain
A	IPR003615	HNH nuclease	Domain