4G0M

Crystal structure of Arabidopsis thaliana AGO2 MID domain

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d4g0mb_	Alpha and beta proteins (a/b)	Phosphotyrosine protein phosphatases I-like	PIWI domain N-terminal-like	automated matches	automated matches	mouse-ear cress,thale-cress (Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
A	d4g0ma_	Alpha and beta proteins (a/b)	Phosphotyrosine protein phosphatases I-like	PIWI domain N-terminal-like	automated matches	automated matches	mouse-ear cress,thale-cress (Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Mid domain of argonaute	8061701	3002210	SCOP2B (2022-06-29)
A	SCOP2 Family	Mid domain of argonaute	8061700	4004605	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Mid domain of argonaute	8061701	3002210	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	F_UNCLASSIFIED	e4g0mB2	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: F_UNCLASSIFIED	ECOD (1.6)
A	F_UNCLASSIFIED	e4g0mA2	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: F_UNCLASSIFIED	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

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

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, 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, B	Protein argonaute 2	regulatory RNA binding RNA binding siRNA binding binding organic cyclic compound binding nucleic acid binding mRNA binding	regulation of cellular process cellular biosynthetic process negative regulation of biological process negative regulation of cellular metabolic process organic substance metabolic process organic substance biosynthetic process negative regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process cellular metabolic process negative regulation of metabolic process biological regulation regulation of cellular metabolic process regulation of cellular process cellular biosynthetic process negative regulation of biological process negative regulation of cellular metabolic process organic substance metabolic process organic substance biosynthetic process negative regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process cellular metabolic process negative regulation of metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process negative regulation of cellular biosynthetic process regulatory ncRNA-mediated gene silencing regulation of cellular biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process organonitrogen compound biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression protein metabolic process organonitrogen compound metabolic process regulation of protein metabolic process primary metabolic process translation regulation of translation biological process involved in interspecies interaction between organisms modulation by symbiont of host process viral process modulation by virus of host process modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction 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 defense response to bacterium response to bacterium	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex ribonucleoprotein complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A, B	IPR045246	Argonaute-like, PIWI domain	Domain
A, B	IPR014811	Argonaute, linker 1 domain	Domain
A, B	IPR003100	PAZ domain	Domain
A, B	IPR032472	Argonaute linker 2 domain	Domain
A, B	IPR036085	PAZ domain superfamily	Homologous Superfamily
A, B	IPR003165	Piwi domain	Domain
A, B	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
A, B	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 R01GM133198.