4WR2

Crystal structure of a putative pyrimidine-specific ribonucleoside hydrolase (RihA) Protein from Shewanella loihica PV-4 (SHEW_0697, Target PSI-029635) with divalent cation and PEG 400 bound at the active site

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 Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4wr2a_	Alpha and beta proteins (a/b)	Nucleoside hydrolase	Nucleoside hydrolase	automated matches	automated matches	(Shewanella loihica PV-4 ) [TaxId: 323850 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Nucleoside hydrolase	8080164	4000751	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Nucleoside hydrolase	8080165	3001240	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	IU_nuc_hydro	e4wr2A1	A: a/b three-layered sandwiches	X: Nucleoside hydrolase (From Topology)	H: Nucleoside hydrolase (From Topology)	T: Nucleoside hydrolase	F: IU_nuc_hydro	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.245.10	Alpha Beta	Alpha-Beta Complex	Inosine-uridine Nucleoside N-ribohydrolase	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01156	Inosine-uridine preferring nucleoside hydrolase (IU_nuc_hydro)	Inosine-uridine preferring nucleoside hydrolase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Pyrimidine-specific ribonucleoside hydrolase RihA	uridine nucleosidase activity hydrolase activity, acting on glycosyl bonds ribosylpyrimidine nucleosidase activity hydrolase activity hydrolase activity, hydrolyzing N-glycosyl compounds catalytic activity cation binding ion binding binding metal ion binding small molecule binding	organonitrogen compound metabolic process pyrimidine-containing compound metabolic process primary metabolic process nucleobase-containing compound metabolic process pyrimidine nucleobase metabolic process organic cyclic compound metabolic process organic substance metabolic process nucleobase-containing small molecule metabolic process nucleobase metabolic process small molecule metabolic process metabolic process nucleobase-containing small molecule interconversion	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036452	Ribonucleoside hydrolase-like	Homologous Superfamily
A	IPR023186	Inosine/uridine-preferring nucleoside hydrolase	Family
A	IPR022975	Pyrimidine-specific ribonucleoside hydrolase RihA	Family
A	IPR001910	Inosine/uridine-preferring nucleoside hydrolase domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.