6RCI | pdb_00006rci

Crystal structure of REXO2

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d6rcib1	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Ribonuclease H-like	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d6rcib2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d6rcia1	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Ribonuclease H-like	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d6rcia2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ribonuclease H-like	8100744	3000143	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)
B	Ribosomal_S20p	e6rciB1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: DUF1107-like	T: DUF1107-like	F: Ribosomal_S20p	ECOD (v294.1)
A	Ribosomal_S20p	e6rciA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: DUF1107-like	T: DUF1107-like	F: Ribosomal_S20p	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 (utative)
A	3.30.420.10	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (utative)

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	Oligoribonuclease, mitochondrial	DNA exonuclease activity catalytic activity, acting on a nucleic acid 3'-5' exonuclease activity hydrolase activity DNA exonuclease activity, producing 5'-phosphomonoesters DNA nuclease activity hydrolase activity, acting on ester bonds nuclease activity catalytic activity, acting on DNA 3'-5'-DNA exonuclease activity exonuclease activity catalytic activity cation binding magnesium ion binding DNA exonuclease activity catalytic activity, acting on a nucleic acid 3'-5' exonuclease activity hydrolase activity DNA exonuclease activity, producing 5'-phosphomonoesters DNA nuclease activity hydrolase activity, acting on ester bonds nuclease activity catalytic activity, acting on DNA 3'-5'-DNA exonuclease activity exonuclease activity catalytic activity cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding nucleic acid binding 3'-5'-RNA exonuclease activity catalytic activity, acting on RNA RNA exonuclease activity, producing 5'-phosphomonoesters RNA exonuclease activity RNA nuclease activity	nucleobase-containing compound metabolic process primary metabolic process metabolic process cellular process catabolic process mitochondrial RNA surveillance RNA metabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process cytoplasmic RNA surveillance nucleic acid catabolic process mitochondrial RNA metabolic process macromolecule metabolic process nucleobase-containing compound metabolic process primary metabolic process metabolic process cellular process catabolic process mitochondrial RNA surveillance RNA metabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process cytoplasmic RNA surveillance nucleic acid catabolic process mitochondrial RNA metabolic process macromolecule metabolic process RNA surveillance mitochondrial RNA catabolic process RNA catabolic process nucleoside phosphate metabolic process nucleotide metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process small molecule metabolic process phosphorus metabolic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle anchoring junction cell junction focal adhesion cell-substrate junction nucleus membrane-enclosed lumen membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle anchoring junction cell junction focal adhesion cell-substrate junction nucleus membrane-enclosed lumen intracellular membraneless organelle nucleolus intracellular organelle lumen organelle lumen membraneless organelle nuclear lumen mitochondrial matrix mitochondrial intermembrane space organelle envelope lumen organelle envelope mitochondrial envelope

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A, B	IPR013520	Ribonuclease H-like domain	Domain
A, B	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
A, B	IPR022894	Oligoribonuclease	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q9Y3B8	acute myeloid leukemia inflammatory bowel disease osteosarcoma plasma cell myeloma spina bifida dermatomyositis large cell medulloblastoma ovarian cancer pulmonary hypertension subependymal giant cell astrocytoma glioblastoma medulloblastoma pituitary cancer Sjogren syndrome ulcerative colitis

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.