Annotations: 1EI6

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ei6a_	Alpha and beta proteins (a/b)	Alkaline phosphatase-like	Alkaline phosphatase-like	Phosphonoacetate hydrolase	Phosphonoacetate hydrolase	(Pseudomonas fluorescens ) [TaxId: 294 ],	SCOPe (2.08)
B	d1ei6b_	Alpha and beta proteins (a/b)	Alkaline phosphatase-like	Alkaline phosphatase-like	Phosphonoacetate hydrolase	Phosphonoacetate hydrolase	(Pseudomonas fluorescens ) [TaxId: 294 ],	SCOPe (2.08)
C	d1ei6c_	Alpha and beta proteins (a/b)	Alkaline phosphatase-like	Alkaline phosphatase-like	Phosphonoacetate hydrolase	Phosphonoacetate hydrolase	(Pseudomonas fluorescens ) [TaxId: 294 ],	SCOPe (2.08)
D	d1ei6d_	Alpha and beta proteins (a/b)	Alkaline phosphatase-like	Alkaline phosphatase-like	Phosphonoacetate hydrolase	Phosphonoacetate hydrolase	(Pseudomonas fluorescens ) [TaxId: 294 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Phosphonoacetate hydrolase	8023274	4001199	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Alkaline phosphatase-like	8035654	3001353	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Phosphonoacetate hydrolase, insert domain	8055768	3002304	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Phosphonoacetate hydrolase, insert domain	8055768	3002304	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Alkaline phosphatase-like	8035654	3001353	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Alkaline phosphatase-like	8035654	3001353	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Phosphonoacetate hydrolase, insert domain	8055768	3002304	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Alkaline phosphatase-like	8035654	3001353	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Alkaline phosphatase-like	8035654	3001353	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Phosphonoacetate hydrolase, insert domain	8055768	3002304	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Alkaline phosphatase-like	8035654	3001353	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Alkaline phosphatase-like	8035654	3001353	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	hydr_PhnA	e1ei6A1	A: a+b two layers	X: Alpha-beta plaits	H: Phosphonoacetate hydrolase insertion domain (From Topology)	T: Phosphonoacetate hydrolase insertion domain	F: hydr_PhnA	ECOD (1.6)
A	Phosphodiest_N	e1ei6A2	A: a/b three-layered sandwiches	X: Alkaline phosphatase-like (From Topology)	H: Alkaline phosphatase-like (From Topology)	T: Alkaline phosphatase-like	F: Phosphodiest_N	ECOD (1.6)
B	hydr_PhnA	e1ei6B1	A: a+b two layers	X: Alpha-beta plaits	H: Phosphonoacetate hydrolase insertion domain (From Topology)	T: Phosphonoacetate hydrolase insertion domain	F: hydr_PhnA	ECOD (1.6)
B	Phosphodiest_N	e1ei6B2	A: a/b three-layered sandwiches	X: Alkaline phosphatase-like (From Topology)	H: Alkaline phosphatase-like (From Topology)	T: Alkaline phosphatase-like	F: Phosphodiest_N	ECOD (1.6)
C	hydr_PhnA	e1ei6C1	A: a+b two layers	X: Alpha-beta plaits	H: Phosphonoacetate hydrolase insertion domain (From Topology)	T: Phosphonoacetate hydrolase insertion domain	F: hydr_PhnA	ECOD (1.6)
C	Phosphodiest_N	e1ei6C2	A: a/b three-layered sandwiches	X: Alkaline phosphatase-like (From Topology)	H: Alkaline phosphatase-like (From Topology)	T: Alkaline phosphatase-like	F: Phosphodiest_N	ECOD (1.6)
D	hydr_PhnA	e1ei6D1	A: a+b two layers	X: Alpha-beta plaits	H: Phosphonoacetate hydrolase insertion domain (From Topology)	T: Phosphonoacetate hydrolase insertion domain	F: hydr_PhnA	ECOD (1.6)
D	Phosphodiest_N	e1ei6D2	A: a/b three-layered sandwiches	X: Alkaline phosphatase-like (From Topology)	H: Alkaline phosphatase-like (From Topology)	T: Alkaline phosphatase-like	F: Phosphodiest_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.720.10	Alpha Beta	3-Layer(aba) Sandwich	Alkaline Phosphatase, subunit A	Alkaline Phosphatase, subunit A	CATH (4.3.0)
A	3.30.1360.110	Alpha Beta	2-Layer Sandwich	Gyrase A	domain 2	CATH (4.3.0)
B	3.40.720.10	Alpha Beta	3-Layer(aba) Sandwich	Alkaline Phosphatase, subunit A	Alkaline Phosphatase, subunit A	CATH (4.3.0)
B	3.30.1360.110	Alpha Beta	2-Layer Sandwich	Gyrase A	domain 2	CATH (4.3.0)
C	3.40.720.10	Alpha Beta	3-Layer(aba) Sandwich	Alkaline Phosphatase, subunit A	Alkaline Phosphatase, subunit A	CATH (4.3.0)
C	3.30.1360.110	Alpha Beta	2-Layer Sandwich	Gyrase A	domain 2	CATH (4.3.0)
D	3.40.720.10	Alpha Beta	3-Layer(aba) Sandwich	Alkaline Phosphatase, subunit A	Alkaline Phosphatase, subunit A	CATH (4.3.0)
D	3.30.1360.110	Alpha Beta	2-Layer Sandwich	Gyrase A	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF01663	Type I phosphodiesterase / nucleotide pyrophosphatase (Phosphodiest)	Type I phosphodiesterase / nucleotide pyrophosphatase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	PHOSPHONOACETATE HYDROLASE	phosphonoacetate hydrolase activity hydrolase activity catalytic activity hydrolase activity, acting on acid carbon-phosphorus bonds cation binding ion binding binding metal ion binding small molecule binding	phosphonoacetate metabolic process oxoacid metabolic process cellular metabolic process carboxylic acid metabolic process metabolic process cellular process small molecule metabolic process monocarboxylic acid metabolic process organic acid metabolic process phosphorus metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR002591	Type I phosphodiesterase/nucleotide pyrophosphatase/phosphate transferase	Family
A, B, C, D	IPR012710	Phosphonoacetate hydrolase	Family
A, B, C, D	IPR023116	Phosphonoacetate hydrolase, insert domain superfamily	Homologous Superfamily
A, B, C, D	IPR017850	Alkaline-phosphatase-like, core domain superfamily	Homologous Superfamily

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.