Annotations: 8JJK

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	DNA_topoisoIV	e8jjkA1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: DNA_topoisoIV	ECOD (v294.2)

Chains	Accession	Name	Description	Comments	Source
A	PF01966	HD domain (HD)	HD domain	-	Family

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	bis(5'-nucleosyl)-tetraphosphatase (symmetrical)	pyrophosphatase activity bis(5'-nucleosyl)-tetraphosphatase (symmetrical) activity bis(5'-nucleosyl)-tetraphosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding cation binding ion binding pyrophosphatase activity bis(5'-nucleosyl)-tetraphosphatase (symmetrical) activity bis(5'-nucleosyl)-tetraphosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding cation binding ion binding metal ion binding	-	-

Chains	Accession	Name	Type
A	IPR003607	HD/PDEase domain	Domain
A	IPR006675	HDIG domain	Domain
A	IPR051094	Diverse Catalytic Activities Enzymes	Family
A	IPR005249	Ap4A hydrolase	Family
A	IPR006674	HD 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

8JJK | pdb_00008jjk