Annotations: 3FK9

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3fk9a1	Alpha and beta proteins (a+b)	Nudix	Nudix	automated matches	automated matches	(Halalkalibacterium halodurans ) [TaxId: 86665 ],	SCOPe (2.08)
A	d3fk9a2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Halalkalibacterium halodurans ) [TaxId: 86665 ],	SCOPe (2.08)
B	d3fk9b1	Alpha and beta proteins (a+b)	Nudix	Nudix	automated matches	automated matches	(Halalkalibacterium halodurans ) [TaxId: 86665 ],	SCOPe (2.08)
B	d3fk9b2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Halalkalibacterium halodurans ) [TaxId: 86665 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	NUDIX	e3fk9A1	A: a+b two layers	X: beta-Grasp	H: Nudix (From Topology)	T: Nudix	F: NUDIX	ECOD (1.6)
B	NUDIX	e3fk9B1	A: a+b two layers	X: beta-Grasp	H: Nudix (From Topology)	T: Nudix	F: NUDIX	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.79.10	Alpha Beta	Alpha-Beta Complex	Nucleoside Triphosphate Pyrophosphohydrolase	Nucleoside Triphosphate Pyrophosphohydrolase	CATH (4.3.0)
B	3.90.79.10	Alpha Beta	Alpha-Beta Complex	Nucleoside Triphosphate Pyrophosphohydrolase	Nucleoside Triphosphate Pyrophosphohydrolase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00293	NUDIX domain (NUDIX)	NUDIX domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Mutator MutT protein	hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity cation binding ion binding binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR000086	NUDIX hydrolase domain	Domain
A, B	IPR015797	NUDIX hydrolase-like domain superfamily	Homologous Superfamily
A, B	IPR020476	NUDIX hydrolase	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 R01GM157729.