Annotations: 2ENX

Structure of the family II inorganic pyrophosphatase from Streptococcus agalactiae at 2.8 resolution

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d2enxb_	Alpha and beta proteins (a/b)	DHH phosphoesterases	DHH phosphoesterases	Manganese-dependent inorganic pyrophosphatase (family II)	automated matches	(Streptococcus agalactiae A909 ) [TaxId: 205921 ],	SCOPe (2.08)
A	d2enxa_	Alpha and beta proteins (a/b)	DHH phosphoesterases	DHH phosphoesterases	Manganese-dependent inorganic pyrophosphatase (family II)	automated matches	(Streptococcus agalactiae A909 ) [TaxId: 205921 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	DHH phosphoesterases	8066741	3000896	SCOP2B (2022-06-29)
A	SCOP2 Family	Manganese-dependent inorganic pyrophosphatase (family II)	8066740	4003453	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	DHH phosphoesterases	8066741	3000896	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	DAO, NAD_binding_8	e2enxB1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: DAO, NAD_binding_8	ECOD (v295.2)
A	tRNA-synt_2b	e2enxA1	A: alpha arrays	X: Profilin-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: tRNA-synt_2b	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.90.1640.10	Alpha Beta	Alpha-Beta Complex	inorganic pyrophosphatase (n-terminal core)	inorganic pyrophosphatase (n-terminal core)	CATH (4.3.0)
B	3.10.310.20	Alpha Beta	Roll	Diaminopimelate Epimerase	Chain A, domain 1	CATH (4.3.0)
A	3.90.1640.10	Alpha Beta	Alpha-Beta Complex	inorganic pyrophosphatase (n-terminal core)	inorganic pyrophosphatase (n-terminal core)	CATH (4.3.0)
A	3.10.310.20	Alpha Beta	Roll	Diaminopimelate Epimerase	Chain A, domain 1	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Manganese-dependent inorganic pyrophosphatase	cation binding manganese ion binding transition metal ion binding ion binding binding metal ion binding small molecule binding pyrophosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity inorganic diphosphate phosphatase activity hydrolase activity, acting on acid anhydrides catalytic activity	-	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001667	DHH domain	Domain
A, B	IPR051319	Bifunctional oligoribonuclease/pAp-phosphatase and c-di-AMP PDE	Family
A, B	IPR022934	Manganese-dependent inorganic pyrophosphatase, probable	Family
A, B	IPR004097	DHHA2 domain	Domain
A, B	IPR038763	DHH phosphoesterase superfamily	Homologous Superfamily
A, B	IPR038222	DHHA2 domain superfamily	Homologous Superfamily

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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.