Annotations: 6XUP

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ribonuclease H-like	8033004	3000143	SCOP2B (2021-05-27)
A	SCOP2B Superfamily	Mid domain of argonaute	8053603	3002210	SCOP2B (2021-05-27)
D [auth B]	SCOP2B Superfamily	Mid domain of argonaute	8053603	3002210	SCOP2B (2021-05-27)
D [auth B]	SCOP2B Superfamily	Ribonuclease H-like	8033004	3000143	SCOP2B (2021-05-27)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF02171	e6xupA1	A: a/b three-layered sandwiches	X: Middle domain in Argonaute homologs (From Topology)	H: Middle domain in Argonaute homologs (From Topology)	T: Middle domain in Argonaute homologs	F: PF02171	ECOD (1.6)
A	PF02171	e6xupA2	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: PF02171	ECOD (1.6)
D [auth B]	PF02171	e6xupB1	A: a/b three-layered sandwiches	X: Middle domain in Argonaute homologs (From Topology)	H: Middle domain in Argonaute homologs (From Topology)	T: Middle domain in Argonaute homologs	F: PF02171	ECOD (1.6)
D [auth B]	PF02171	e6xupB2	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: PF02171	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, D [auth B]	PF02171	Piwi domain (Piwi)	Piwi domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, D [auth B]	Piwi protein	DNA binding binding organic cyclic compound binding nucleic acid binding RNA binding cation binding ion binding metal ion binding small molecule binding	-	-
B [auth R], C [auth S], E [auth P], F [auth Q]	5'-D(APTPCPGPTPGPGPCPCPAPCPGPAPTP)-3'	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D [auth B]	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A, D [auth B]	IPR003165	Piwi domain	Domain
A, D [auth B]	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.