Annotations: 4GPU

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	FRB_dom	e4gpuA1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: Ribonuclease H-like	T: Ribonuclease H-like	F: FRB_dom	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF08652	RAI1 like PD-(D/E)XK nuclease (RAI1)	RAI1 like PD-(D/E)XK nuclease	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	KLLA0E02245p	RNA NAD+-cap (NAD+-forming) hydrolase 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 binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding pyrophosphatase activity mRNA 5'-diphosphatase activity RNA NAD+-cap (NAD+-forming) hydrolase 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 binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding pyrophosphatase activity mRNA 5'-diphosphatase activity hydrolase activity, acting on ester bonds nuclease activity 5'-3' exonuclease activity exonuclease activity RNA binding nucleic acid binding cation binding ion binding metal ion binding	nucleobase-containing compound metabolic process metabolic process cellular process primary metabolic process macromolecule metabolic process nucleic acid metabolic process NAD-cap decapping RNA metabolic process RNA decapping regulation of cellular process catabolic process negative regulation of biological process macromolecule catabolic process negative regulation of cellular process nucleobase-containing compound metabolic process metabolic process cellular process primary metabolic process macromolecule metabolic process nucleic acid metabolic process NAD-cap decapping RNA metabolic process RNA decapping regulation of cellular process catabolic process negative regulation of biological process macromolecule catabolic process negative regulation of cellular process RNA surveillance RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process nuclear RNA surveillance nuclear-transcribed mRNA catabolic process regulation of biological process negative regulation of metabolic process nuclear mRNA surveillance biological regulation regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process mRNA metabolic process nucleobase-containing compound catabolic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process regulation of macromolecule biosynthetic process regulation of metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR039039	RAI1-like family	Family
A	IPR013961	RAI1-like	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.