Annotations: 4RO1

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	KOG2102_1	e4ro1B2	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: KOG2102_1	ECOD (1.6)
A [auth B]	EUF07544	e4ro1B3	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: EUF07544	ECOD (1.6)
A [auth B]	RNB	e4ro1B1	A: beta barrels	X: OB-fold	H: RNB domain-like (From Topology)	T: RNB domain-like	F: RNB	ECOD (1.6)
B [auth A]	KOG2102_1	e4ro1A3	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: KOG2102_1	ECOD (1.6)
B [auth A]	EUF07544	e4ro1A1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: EUF07544	ECOD (1.6)
B [auth A]	RNB	e4ro1A2	A: beta barrels	X: OB-fold	H: RNB domain-like (From Topology)	T: RNB domain-like	F: RNB	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], B [auth A]	PF17849	Dis3-like cold-shock domain 2 (CSD2) (OB_Dis3)	Dis3-like cold-shock domain 2 (CSD2)	This domain has an OB fold and is found in the Dis3l2 protein [1]. This domain along with CSD1 binds to RNA.	Domain
A [auth B], B [auth A]	PF00773	RNB domain (RNB)	RNB domain	This domain is the catalytic domain of ribonuclease II [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth A]	DIS3-like exonuclease 2	3'-5'-RNA exonuclease activity 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 poly-pyrimidine tract binding 3'-5'-RNA exonuclease activity 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 poly-pyrimidine tract binding RNA binding binding organic cyclic compound binding poly(U) RNA binding nucleic acid binding single-stranded RNA binding cation binding ion binding metal ion binding small molecule binding	regulation of cellular process catabolic process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process macromolecule catabolic process nucleobase-containing compound metabolic process organic substance metabolic process organic substance biosynthetic process negative regulation of cellular process RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of cellular process catabolic process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process macromolecule catabolic process nucleobase-containing compound metabolic process organic substance metabolic process organic substance biosynthetic process negative regulation of cellular process RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process regulation of biological process cellular metabolic process negative regulation of metabolic process biological regulation regulation of cellular metabolic process primary metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process mRNA metabolic process negative regulation of cellular biosynthetic process nucleic acid metabolic process organic cyclic compound catabolic process nucleobase-containing compound catabolic process regulation of cellular biosynthetic process regulation of gene expression organic cyclic compound metabolic process 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 metabolic process cellular process macromolecule metabolic process regulation of metabolic process organic substance catabolic process regulation of primary 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 nucleobase-containing compound metabolic process positive regulation of mRNA metabolic process positive regulation of RNA metabolic process polyuridylation-dependent mRNA catabolic process positive regulation of biological process mRNA destabilization regulation of mRNA catabolic process modification-dependent macromolecule catabolic process RNA destabilization regulation of catabolic process positive regulation of catabolic process regulation of mRNA stability positive regulation of mRNA catabolic process regulation of RNA stability regulation of mRNA metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol cytoplasmic ribonucleoprotein granule ribonucleoprotein granule intracellular organelle organelle intracellular non-membrane-bounded organelle supramolecular complex P-body non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth A]	IPR028591	DIS3-like exonuclease 2	Family
A [auth B], B [auth A]	IPR041505	Dis3-like cold-shock domain 2	Domain
A [auth B], B [auth A]	IPR022966	Ribonuclease II/R, conserved site	Conserved Site
A [auth B], B [auth A]	IPR001900	Ribonuclease II/R	Domain
A [auth B], B [auth A]	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily

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.