Annotations: 2ZXR

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	DHH phosphoesterases	8039667	3000896	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)
A	PF17768	e2zxrA12	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: PF17768	ECOD (1.6)
A	PF02272	e2zxrA11	A: a+b three layers	X: C-terminal domain in DHH phosphoesterases (From Topology)	H: C-terminal domain in DHH phosphoesterases (From Topology)	T: C-terminal domain in DHH phosphoesterases	F: PF02272	ECOD (1.6)
A	PF01368	e2zxrA9	A: a/b three-layered sandwiches	X: HAD domain-like	H: HAD domain-related	T: DHH phosphoesterases	F: PF01368	ECOD (1.6)
A	PF22047	e2zxrA10	A: a/b three-layered sandwiches	X: Single-stranded-DNA-specific exonuclease RecJ C-terminal domain (From Topology)	H: Single-stranded-DNA-specific exonuclease RecJ C-terminal domain (From Topology)	T: Single-stranded-DNA-specific exonuclease RecJ C-terminal domain	F: PF22047	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.50.460	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
A	3.90.1640.30	Alpha Beta	Alpha-Beta Complex	inorganic pyrophosphatase (n-terminal core)		CATH (4.3.0)
A	3.10.310.30	Alpha Beta	Roll	Diaminopimelate Epimerase	Chain A, domain 1	CATH (4.3.0)
A	3.40.50.12810	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02272	DHHA1 domain (DHHA1)	DHHA1 domain	-	Family
A	PF01368	DHH family (DHH)	DHH family	-	Family
A	PF17768	RecJ OB domain (RecJ_OB)	RecJ OB domain	This OB-fold is found in RecJ proteins where is binds to ssDNA [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Single-stranded DNA specific exonuclease RecJ	nuclease activity hydrolase activity, acting on ester bonds hydrolase activity exonuclease activity catalytic activity DNA binding binding organic cyclic compound binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001667	DDH domain	Domain
A	IPR038763	DHH phosphoesterase superfamily	Homologous Superfamily
A	IPR003156	DHHA1 domain	Domain
A	IPR041122	RecJ, OB domain	Domain

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 R01GM133198.