Annotations: 5Z9X

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e5z9xA1	A: alpha bundles	X: N-terminal domain of Small RNA Degrading Nuclease (SDN) (From Topology)	H: N-terminal domain of Small RNA Degrading Nuclease (SDN) (From Topology)	T: N-terminal domain of Small RNA Degrading Nuclease (SDN)	F: F_UNCLASSIFIED	ECOD (1.6)
A	F_UNCLASSIFIED	e5z9xA2	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: F_UNCLASSIFIED	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00929	Exonuclease (RNase_T)	Exonuclease	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Small RNA degrading nuclease 1	3'-5'-RNA exonuclease activity 3'-5'-exoribonuclease activity involved in mature miRNA 3'-end processing catalytic activity, acting on RNA RNA exonuclease activity, producing 5'-phosphomonoesters catalytic activity, acting on a nucleic acid 3'-5' exonuclease activity RNA exonuclease activity RNA nuclease activity hydrolase activity exonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters nuclease activity hydrolase activity, acting on ester bonds exonuclease activity catalytic activity 3'-5'-RNA exonuclease activity 3'-5'-exoribonuclease activity involved in mature miRNA 3'-end processing catalytic activity, acting on RNA RNA exonuclease activity, producing 5'-phosphomonoesters catalytic activity, acting on a nucleic acid 3'-5' exonuclease activity RNA exonuclease activity RNA nuclease activity hydrolase activity exonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters nuclease activity hydrolase activity, acting on ester bonds exonuclease activity catalytic activity regulatory RNA binding RNA binding binding organic cyclic compound binding miRNA binding nucleic acid binding	catabolic process RNA metabolic process primary metabolic process miRNA catabolic process nucleic acid metabolic process macromolecule catabolic process organic cyclic compound catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process ncRNA metabolic process nucleic acid catabolic process metabolic process catabolic process RNA metabolic process primary metabolic process miRNA catabolic process nucleic acid metabolic process macromolecule catabolic process organic cyclic compound catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process ncRNA metabolic process nucleic acid catabolic process metabolic process miRNA metabolic process macromolecule metabolic process organic substance catabolic process RNA catabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle cellular anatomical entity
B [auth R]	RNA (5'-R(PGPCPCPCPAPUPUPAP*G)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A	IPR047021	RNA exonuclease REXO1/REXO3/REXO4-like	Family
A	IPR034922	RNA exonuclease 1-like, exonuclease domain	Domain
A	IPR012677	Nucleotide-binding alpha-beta plait domain superfamily	Homologous Superfamily
A	IPR035979	RNA-binding domain superfamily	Homologous Superfamily
A	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
A	IPR013520	Exonuclease, RNase T/DNA polymerase III	Domain

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.