Annotations: 1TQ5

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1tq5a1	All beta proteins	Double-stranded beta-helix	RmlC-like cupins	Pirin-like	Hypothetical protein YhhW	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1tq5a2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Pirin-like	8020189	4000967	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	RmlC-like cupins	8032569	3001825	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	Pirin	e1tq5A2	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: Pirin	ECOD (1.6)
A	YhaK	e1tq5A3	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: YhaK	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.120.10	Mainly Beta	Sandwich	Jelly Rolls	Jelly Rolls	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02678	Pirin (Pirin)	Pirin	-	Family
A	PF17954	Quercetinase C-terminal cupin domain (Pirin_C_2)	Quercetinase C-terminal cupin domain	Experiments on the YhhW protein show that is has quercetinase activity. This entry represents the C-terminal cupin domain from the two cupin domains that make up the protein [1]. This domain is usually associated with Pfam:PF02678.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Protein yhhW	quercetin 2,3-dioxygenase activity oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen oxidoreductase activity oxidoreductase activity, acting on single donors with incorporation of molecular oxygen catalytic activity dioxygenase activity cation binding ion binding binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR041602	Quercetin 2,3-dioxygenase, C-terminal cupin domain	Domain
A	IPR003829	Pirin, N-terminal domain	Domain
A	IPR011051	RmlC-like cupin domain superfamily	Homologous Superfamily
A	IPR012093	Pirin	Family
A	IPR014710	RmlC-like jelly roll fold	Homologous Superfamily

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.