1Y97 | pdb_00001y97

The human TREX2 3' exonuclease structure suggests a mechanism for efficient non-processive DNA catalysis

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	d1y97b_	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Ribonuclease H-like	DnaQ-like 3'-5' exonuclease	Three prime repair exonuclease 2, TREX2	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1y97a1	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Ribonuclease H-like	DnaQ-like 3'-5' exonuclease	Three prime repair exonuclease 2, TREX2	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1y97a2	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)
B	SCOP2B Superfamily	Ribonuclease H-like	8034226	3000143	SCOP2B (2022-06-29)
A	SCOP2 Family	DnaQ-like 3'-5' exonuclease	8021846	4000547	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ribonuclease H-like	8034226	3000143	SCOP2 (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	e1y97B2	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	e1y97A2	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)

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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Three prime repair exonuclease 2	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 double-stranded DNA 3'-5' DNA exonuclease activity double-stranded DNA exodeoxyribonuclease activity 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 double-stranded DNA 3'-5' DNA exonuclease activity double-stranded DNA exodeoxyribonuclease activity cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding DNA binding nucleic acid binding identical protein binding protein binding protein homodimerization activity protein dimerization activity molecular adaptor activity	catabolic process primary metabolic process DNA metabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process DNA catabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process cellular response to stimulus response to stimulus catabolic process primary metabolic process DNA metabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process DNA catabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process cellular response to stimulus response to stimulus cellular response to stress DNA damage response response to stress DNA repair	cellular anatomical structure intracellular anatomical structure cytoplasm membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

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	IPR040393	Three-prime repair exonuclease 1/2	Family
A, B	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q9BQ50	diabetes mellitus intellectual disability psoriasis

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.