Annotations: 1NTF

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ntfa_	Alpha and beta proteins (a+b)	DNase I-like	DNase I-like	Inositol polyphosphate 5-phosphatase (IPP5)	Salivary nitrophorin	bed bug (Cimex lectularius ) [TaxId: 79782 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	DNase I-like	8034550	3000957	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	Lactamase_B	e1ntfA1	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Lactamase_B	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.60.10.10	Alpha Beta	4-Layer Sandwich	Deoxyribonuclease I	Chain A	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	salivary nitrophorin	binding tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding phosphoric ester hydrolase activity phosphatidylinositol-4,5-bisphosphate 5-phosphatase activity hydrolase activity, acting on ester bonds phosphatidylinositol-4,5-bisphosphate phosphatase activity phosphatidylinositol bisphosphate phosphatase activity binding tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding phosphoric ester hydrolase activity phosphatidylinositol-4,5-bisphosphate 5-phosphatase activity hydrolase activity, acting on ester bonds phosphatidylinositol-4,5-bisphosphate phosphatase activity phosphatidylinositol bisphosphate phosphatase activity phosphatase activity hydrolase activity phosphatidylinositol phosphate 5-phosphatase activity phosphatidylinositol phosphate phosphatase activity catalytic activity	regulation of tube diameter multicellular organismal process system process regulation of tube size biological regulation circulatory system process vascular process in circulatory system blood vessel diameter maintenance regulation of biological quality vasodilation blood circulation regulation of anatomical structure size nitric oxide transport localization regulation of tube diameter multicellular organismal process system process regulation of tube size biological regulation circulatory system process vascular process in circulatory system blood vessel diameter maintenance regulation of biological quality vasodilation blood circulation regulation of anatomical structure size nitric oxide transport localization nitrogen compound transport transport establishment of localization phosphatidylinositol metabolic process dephosphorylation glycerophospholipid metabolic process lipid modification primary metabolic process phospholipid metabolic process organophosphate metabolic process phosphatidylinositol dephosphorylation phospholipid dephosphorylation phosphate-containing compound metabolic process metabolic process cellular process glycerolipid metabolic process phosphorus metabolic process lipid metabolic process	cellular anatomical structure extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR046985	Inositol 5-phosphatase	Family
A	IPR036691	Endonuclease/exonuclease/phosphatase superfamily	Homologous Superfamily
A	IPR000300	Inositol polyphosphate-related phosphatase	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.