2FLO | pdb_00002flo

Crystal structure of exopolyphosphatase (PPX) from E. coli O157:H7

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
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	d2flob1	All alpha proteins	HD-domain/PDEase-like	HD-domain/PDEase-like	Ppx associated domain	Exopolyphosphatase Ppx C-terminal domain	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
B	d2flob2	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Actin-like ATPase domain	Ppx/GppA phosphatase	Exopolyphosphatase Ppx	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
D	d2flod1	All alpha proteins	HD-domain/PDEase-like	HD-domain/PDEase-like	Ppx associated domain	Exopolyphosphatase Ppx C-terminal domain	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
D	d2flod2	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Actin-like ATPase domain	Ppx/GppA phosphatase	Exopolyphosphatase Ppx	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
C	d2floc1	All alpha proteins	HD-domain/PDEase-like	HD-domain/PDEase-like	Ppx associated domain	Exopolyphosphatase Ppx C-terminal domain	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
C	d2floc2	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Actin-like ATPase domain	Ppx/GppA phosphatase	Exopolyphosphatase Ppx	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
A	d2floa1	All alpha proteins	HD-domain/PDEase-like	HD-domain/PDEase-like	Ppx associated domain	Exopolyphosphatase Ppx C-terminal domain	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
A	d2floa2	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Actin-like ATPase domain	Ppx/GppA phosphatase	Exopolyphosphatase Ppx	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PolyA_pol_RNAbd	e2floB1	A: alpha bundles	X: EGF-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: PolyA_pol_RNAbd	ECOD (develop294)
B	Thioredoxin	e2floB2	A: alpha bundles	X: HTH	H: HTH	T: winged helix domain	F: Thioredoxin	ECOD (develop294)
D	PolyA_pol_RNAbd	e2floD1	A: alpha bundles	X: EGF-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: PolyA_pol_RNAbd	ECOD (develop294)
D	Thioredoxin	e2floD2	A: alpha bundles	X: HTH	H: HTH	T: winged helix domain	F: Thioredoxin	ECOD (develop294)
C	PolyA_pol_RNAbd	e2floC1	A: alpha bundles	X: EGF-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: PolyA_pol_RNAbd	ECOD (develop294)
C	Thioredoxin	e2floC2	A: alpha bundles	X: HTH	H: HTH	T: winged helix domain	F: Thioredoxin	ECOD (develop294)
A	PolyA_pol_RNAbd	e2floA1	A: alpha bundles	X: EGF-like	H: Rpp14/Pop5-like	T: Rpp14/Pop5-like	F: PolyA_pol_RNAbd	ECOD (develop294)
A	Thioredoxin	e2floA2	A: alpha bundles	X: HTH	H: HTH	T: winged helix domain	F: Thioredoxin	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.420.40	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
B	3.30.420.150	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
B	1.10.3210.10	Mainly Alpha	Orthogonal Bundle	Hypothetical protein af1432	Hypothetical protein af1432	CATH (4.3.0)
B	3.30.70.2260	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
D	3.30.420.40	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
D	3.30.420.150	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
D	1.10.3210.10	Mainly Alpha	Orthogonal Bundle	Hypothetical protein af1432	Hypothetical protein af1432	CATH (4.3.0)
D	3.30.70.2260	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
C	3.30.420.40	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
C	3.30.420.150	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
C	1.10.3210.10	Mainly Alpha	Orthogonal Bundle	Hypothetical protein af1432	Hypothetical protein af1432	CATH (4.3.0)
C	3.30.70.2260	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
A	3.30.420.40	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
A	3.30.420.150	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
A	1.10.3210.10	Mainly Alpha	Orthogonal Bundle	Hypothetical protein af1432	Hypothetical protein af1432	CATH (4.3.0)
A	3.30.70.2260	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF02541	Ppx/GppA phosphatase family (Ppx-GppA)	Ppx/GppA phosphatase family	-	Family
A, B, C, D	PF21447	Ppx/GppA phosphatase, domain III (Ppx-GppA_III)	Ppx/GppA phosphatase, domain III	Ppx/GppA phosphatases belong to ASKHA (acetate and sugar kinases, Hsp70, actin) which has an N-terminal (Pfam:PF02541) nucleotide-binding domain (domains I/II), domain III which corresponds to the catalytic phosphohydrolase domain with the common hel ...	Ppx/GppA phosphatases belong to ASKHA (acetate and sugar kinases, Hsp70, actin) which has an N-terminal (Pfam:PF02541) nucleotide-binding domain (domains I/II), domain III which corresponds to the catalytic phosphohydrolase domain with the common helical fold and domain IV [1-3]. This entry represents domain III.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Exopolyphosphatase	pyrophosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity exopolyphosphatase activity hydrolase activity, acting on acid anhydrides catalytic activity	catabolic process oxoacid metabolic process metabolic process cellular process small molecule metabolic process organic acid metabolic process polyphosphate catabolic process phosphorus metabolic process polyphosphate metabolic process	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR050273	GppA/Ppx guanosine pentaphosphate hydrolase	Family
A, B, C, D	IPR022371	Exopolyphosphatase	Domain
A, B, C, D	IPR048950	Ppx/GppA phosphatase, C-terminal	Domain
A, B, C, D	IPR030673	Pyrophosphatase, GppA/Ppx-type	Family
A, B, C, D	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
A, B, C, D	IPR003695	Ppx/GppA phosphatase, N-terminal	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.