Annotations: 9B21

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	WD40	e9b21B1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: WD40	ECOD (v294.2)
A	WD40	e9b21A1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: WD40	ECOD (v294.2)

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

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ADP-ribose pyrophosphatase	pyrophosphatase activity ADP-sugar pyrophosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding ADP-ribose diphosphatase activity cation binding ion binding pyrophosphatase activity ADP-sugar pyrophosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding ADP-ribose diphosphatase activity cation binding ion binding metal ion binding	ribose phosphate metabolic process organophosphate metabolic process carbohydrate derivative metabolic process metabolic process cellular process phosphorus metabolic process nucleoside phosphate metabolic process nucleobase-containing compound metabolic process nucleobase-containing small molecule metabolic process small molecule metabolic process primary metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

Chains	Accession	Name	Type
A, B	IPR000086	NUDIX hydrolase domain	Domain
A, B	IPR015797	NUDIX hydrolase-like domain superfamily	Homologous Superfamily
A, B	IPR004385	Nucleoside diphosphate pyrophosphatase	Family
A, B	IPR020084	NUDIX hydrolase, conserved site	Conserved Site

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

9B21 | pdb_00009b21