6STY

Human REXO2 exonuclease in complex with RNA.

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Ribonuclease H-like	8100744	3000143	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Ribonuclease H-like	8100744	3000143	SCOP2B (2022-06-29)
A	SCOP2 Family	DnaQ-like 3'-5' exonuclease	8100743	4000547	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ribonuclease H-like	8100744	3000143	SCOP2 (2022-06-29)
E	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	RNase_T	e6styB1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: RNase_T	ECOD (1.6)
D	RNase_T	e6styD1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: RNase_T	ECOD (1.6)
A	RNase_T	e6styA1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: RNase_T	ECOD (1.6)
E	RNase_T	e6styE1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: RNase_T	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, D, E	PF00929	Exonuclease (RNase_T)	Exonuclease	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, D, E	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 exonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on DNA 3'-5'-DNA exonuclease activity exonuclease activity catalytic activity cation 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 exonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters nuclease activity hydrolase activity, acting on ester bonds 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 organic cyclic compound 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 organic cyclic compound metabolic process organic substance metabolic process metabolic process primary metabolic process nucleoside phosphate metabolic process cellular metabolic process nucleotide metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process cellular process small molecule metabolic process phosphorus metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle anchoring junction cell junction focal adhesion cell-substrate junction nucleus membrane-enclosed lumen membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle anchoring junction cell junction focal adhesion cell-substrate junction nucleus membrane-enclosed lumen nucleolus intracellular organelle lumen organelle lumen intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle mitochondrial matrix mitochondrial intermembrane space organelle envelope lumen organelle envelope mitochondrial envelope
C, F	RNA (5'-R(PAPUP*C)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, D, E	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A, B, D, E	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
A, B, D, E	IPR013520	Exonuclease, RNase T/DNA polymerase III	Domain
A, B, D, E	IPR022894	Oligoribonuclease	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, D, E	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 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.