Annotations: 1WHD

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1whda1	All beta proteins	PDZ domain-like	PDZ domain-like	PDZ domain	Regulator of G-protein signaling 3, RGS3	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d1whda3	Artifacts	Tags	Tags	Tags	C-terminal Tags	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d1whda2	Artifacts	Tags	Tags	Tags	N-terminal Tags	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	PDZ domain	8031169	4001790	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PDZ domain-like	8043547	3000388	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)
A	PDZ	e1whdA1	A: beta barrels	X: PDZ domain (From Topology)	H: PDZ domain (From Topology)	T: PDZ domain	F: PDZ	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.42.10	Mainly Beta	Roll	Pdz3 Domain	PDZ domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00595	PDZ domain (PDZ)	PDZ domain	PDZ domains are found in diverse signaling proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	regulator of G-protein signaling 3	GTPase regulator activity enzyme regulator activity enzyme activator activity GTPase activator activity molecular function activator activity nucleoside-triphosphatase regulator activity molecular function regulator activity	cellular response to stimulus regulation of signaling regulation of biological process regulation of cellular process response to stimulus negative regulation of signaling signaling negative regulation of response to stimulus biological regulation negative regulation of biological process regulation of signal transduction negative regulation of signal transduction negative regulation of cell communication cell communication regulation of response to stimulus cellular response to stimulus regulation of signaling regulation of biological process regulation of cellular process response to stimulus negative regulation of signaling signaling negative regulation of response to stimulus biological regulation negative regulation of biological process regulation of signal transduction negative regulation of signal transduction negative regulation of cell communication cell communication regulation of response to stimulus negative regulation of cellular process regulation of cell communication cellular process signal transduction G protein-coupled receptor signaling pathway	cell periphery plasma membrane membrane cellular anatomical entity intracellular anatomical structure cytoplasm membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR016137	RGS domain	Domain
A	IPR034951	Regulator of G-protein signalling 3, RGS domain	Domain
A	IPR036305	RGS domain superfamily	Homologous Superfamily
A	IPR044926	RGS, subdomain 2	Homologous Superfamily
A	IPR036034	PDZ superfamily	Homologous Superfamily
A	IPR011993	PH-like domain superfamily	Homologous Superfamily
A	IPR001478	PDZ domain	Domain
A	IPR024066	RGS, subdomain 1/3	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 R01GM157729.