2F5Y

Crystal Structure of the PDZ Domain from Human RGS-3

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
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2f5ya1	All beta proteins	PDZ domain-like	PDZ domain-like	PDZ domain	Regulator of G-protein signaling 3, RGS3	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d2f5ya2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d2f5yb2	All beta proteins	PDZ domain-like	PDZ domain-like	PDZ domain	Regulator of G-protein signaling 3, RGS3	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d2f5yb3	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	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	8028175	4001790	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PDZ domain-like	8040554	3000388	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	PDZ domain-like	8040554	3000388	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	PDZ	e2f5yA1	A: beta barrels	X: PDZ domain (From Topology)	H: PDZ domain (From Topology)	T: PDZ domain	F: PDZ	ECOD (1.6)
B	PDZ	e2f5yB1	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)
B	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, B	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, B	regulator of G-protein signalling 3 isoform 1	GTPase regulator activity enzyme regulator activity enzyme activator activity GTPase activator activity molecular function activator activity nucleoside-triphosphatase regulator activity molecular function regulator activity pyrophosphatase activity GTPase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic 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 regulation of G protein-coupled receptor signaling pathway	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR016137	RGS domain	Domain
A, B	IPR034951	Regulator of G-protein signalling 3, RGS domain	Domain
A, B	IPR036305	RGS domain superfamily	Homologous Superfamily
A, B	IPR044926	RGS, subdomain 2	Homologous Superfamily
A, B	IPR036034	PDZ superfamily	Homologous Superfamily
A, B	IPR000008	C2 domain	Domain
A, B	IPR035892	C2 domain superfamily	Homologous Superfamily
A, B	IPR011993	PH-like domain superfamily	Homologous Superfamily
A, B	IPR001478	PDZ domain	Domain
A, B	IPR024066	RGS, subdomain 1/3	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P49796	Liver Cirrhosis, Experimental esophageal adenocarcinoma osteosarcoma ovarian cancer malignant ependymoma subependymal giant cell astrocytoma

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.