Annotations: 5DK5

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Lipocalin_7	e5dk5B1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Lipocalin_7	ECOD (v294.1)
A	Lipocalin_7	e5dk5A1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Lipocalin_7	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.420.10	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
A	3.30.420.10	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00929	Exonuclease (RNase_T)	Exonuclease	This family includes a variety of exonuclease proteins, such as ribonuclease T and the epsilon subunit of DNA polymerase III.;	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Cell death-related nuclease 4	catalytic activity, acting on DNA nuclease activity catalytic activity, acting on a nucleic acid catalytic activity DNA nuclease activity hydrolase activity, acting on ester bonds 3'-5' exonuclease activity hydrolase activity exonuclease activity catalytic activity, acting on RNA RNA nuclease activity DNA endonuclease activity endonuclease activity 3'-5'-RNA exonuclease activity catalytic activity, acting on DNA nuclease activity catalytic activity, acting on a nucleic acid catalytic activity DNA nuclease activity hydrolase activity, acting on ester bonds 3'-5' exonuclease activity hydrolase activity exonuclease activity catalytic activity, acting on RNA RNA nuclease activity DNA endonuclease activity endonuclease activity 3'-5'-RNA exonuclease activity RNA exonuclease activity, producing 5'-phosphomonoesters RNA exonuclease activity cation binding ion binding binding metal ion binding small molecule binding DNA binding single-stranded DNA binding nucleic acid binding	catabolic process RNA metabolic process primary metabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process RNA catabolic process DNA metabolic process DNA catabolic process catabolic process RNA metabolic process primary metabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process RNA catabolic process DNA metabolic process DNA catabolic process cellular component disassembly cell death cellular component organization execution phase of apoptosis apoptotic DNA fragmentation cellular component disassembly involved in execution phase of apoptosis apoptotic nuclear changes apoptotic process cellular component organization or biogenesis programmed cell death ribonucleoprotein complex biogenesis exonucleolytic trimming to generate mature 3'-end of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) rRNA processing cellular component biogenesis RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process RNA 3'-end processing RNA processing rRNA metabolic process maturation of 5.8S rRNA gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process maturation of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) biosynthetic process rRNA 3'-end processing	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A, B	IPR047201	ERI-1-like, DEDDh 3'-5' exonuclease domain	Domain
A, B	IPR013520	Ribonuclease H-like domain	Domain
A, B	IPR051274	3'-5' Exoribonuclease	Family
A, B	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily

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.