5B2O

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Csx12	e5b2oA1	A: alpha complex topology	X: CRISPR-associated endonuclease Cas9 alpha-helical lobe	H: F. novicida CRISPR-associated endonuclease Cas9 alpha-helical lobe (From Topology)	T: F. novicida CRISPR-associated endonuclease Cas9 alpha-helical lobe	F: Csx12	ECOD (1.6)
A	EUF08429	e5b2oA4	A: a+b two layers	X: SSHS domain	H: SSHS domain in CRISPR-associated endonuclease Cas9 (From Topology)	T: SSHS domain in CRISPR-associated endonuclease Cas9	F: EUF08429	ECOD (1.6)
A	EUF08577	e5b2oA5	A: a+b complex topology	X: CRISPR-associated endonuclease Cas9 C-terminal domain (From Topology)	H: CRISPR-associated endonuclease Cas9 C-terminal domain (From Topology)	T: CRISPR-associated endonuclease Cas9 C-terminal domain	F: EUF08577	ECOD (1.6)
A	EUF08586	e5b2oA6	A: a+b complex topology	X: CRISPR-associated endonuclease Cas9 wedge domain (From Topology)	H: CRISPR-associated endonuclease Cas9 wedge domain (From Topology)	T: CRISPR-associated endonuclease Cas9 wedge domain	F: EUF08586	ECOD (1.6)
A	cas_csx12	e5b2oA2	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: cas_csx12	ECOD (1.6)
A	HNH_4_1	e5b2oA3	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_1	ECOD (1.6)

Chains	Accession	Name	Description	Comments	Source
A	PF21069	CRISPR-associated endonuclease Cas9 alpha-helical lobe (Csx12)	CRISPR-associated endonuclease Cas9 alpha-helical lobe	This entry represents the alpha-helical lobe of the Francisella novicida Cas9 protein.	Domain
A	PF22385	CRISPR-associated endonuclease Cas9, C-terminal domain (Cas9_C_2)	CRISPR-associated endonuclease Cas9, C-terminal domain	This domain is found at the C-terminal end of CRISPR-associated endonuclease Cas9 from the gammaproteobacteria Francisella tularensis[1].	Domain

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	CRISPR-associated endonuclease Cas9	DNA binding binding organic cyclic compound binding nucleic acid binding endonuclease activity nuclease activity hydrolase activity, acting on ester bonds hydrolase activity catalytic activity RNA binding cation binding ion binding metal ion binding small molecule binding	biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus defense response to virus defense response to other organism response to stress response to external biotic stimulus response to virus	-
B	Guide RNA	-	-	-
C	Target DNA	-	-	-
D	DNA (5'-D(TPGPGPTPAPTPCPGP*G)-3')	-	-	-

Chains	Accession	Name	Type
A	IPR013492	CRISPR system subtype II-B RNA-guided endonuclease Cas9/Csx12	Family
A	IPR049465	CRISPR-associated endonuclease Cas9, alpha-helical lobe	Domain
A	IPR033114	Cas9-type HNH domain	Domain