Annotations: 2YHA

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Mid domain of argonaute	8053697	3002210	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Piwi_N_1	e2yhaA4	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: Piwi_N_1	ECOD (1.6)
A	Piwi_C	e2yhaA3	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: Piwi_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
A	3.30.420.10	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	POST-TRANSCRIPTIONAL GENE SILENCING PROTEIN QDE-2	RNA binding binding nucleic acid binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A	IPR045246	Argonaute-like, PIWI domain	Domain
A	IPR032472	Argonaute linker 2 domain	Domain
A	IPR036085	PAZ domain superfamily	Homologous Superfamily
A	IPR003165	Piwi domain	Domain
A	IPR014811	Argonaute, linker 1 domain	Domain
A	IPR003100	PAZ domain	Domain
A	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
A	IPR032474	Protein argonaute, N-terminal	Domain

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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.