Annotations: 2KDW

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Nudix	8061703	3000098	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		e2kdwA1	A: Alpha-beta plaits	X: Phage tail protein-like	H: Transmembrane protein 14A	T: Trypsin	F:	ECOD (20:10:01)

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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	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	RNA pyrophosphohydrolase	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding pyrophosphatase activity mRNA 5'-diphosphatase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding pyrophosphatase activity mRNA 5'-diphosphatase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity RNA NAD-cap (NMN-forming) hydrolase activity	regulation of cellular process catabolic process positive regulation of biological process RNA metabolic process macromolecule catabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process post-transcriptional regulation of gene expression regulation of RNA metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of biological quality positive regulation of cellular process regulation of cellular process catabolic process positive regulation of biological process RNA metabolic process macromolecule catabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process post-transcriptional regulation of gene expression regulation of RNA metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of biological quality positive regulation of cellular process RNA catabolic process regulation of biosynthetic process RNA destabilization regulation of biological process biological regulation primary metabolic process regulation of macromolecule metabolic process regulation of catabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound catabolic process positive regulation of RNA metabolic process positive regulation of catabolic process regulation of gene expression biosynthetic process regulation of RNA stability nucleic acid catabolic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process negative regulation of biological process negative regulation of cellular process negative regulation of macromolecule metabolic process mRNA catabolic process negative regulation of metabolic process mRNA metabolic process negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process NAD-cap decapping RNA decapping nucleobase-containing compound biosynthetic process tRNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process tRNA processing RNA processing	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR022927	RNA pyrophosphohydrolase RppH	Family
A	IPR000086	NUDIX hydrolase domain	Domain
A	IPR015797	NUDIX hydrolase-like domain superfamily	Homologous Superfamily
A	IPR020084	NUDIX hydrolase, conserved site	Conserved Site
A	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.