1T8B

Crystal structure of refolded PHOU-like protein (gi 2983430) from Aquifex aeolicus

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 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)
A	d1t8ba_	All alpha proteins	Spectrin repeat-like	PhoU-like	PhoU-like	Phosphate transport system protein PhoU	(Aquifex aeolicus ) [TaxId: 63363 ],	SCOPe (2.08)
B	d1t8bb_	All alpha proteins	Spectrin repeat-like	PhoU-like	PhoU-like	Phosphate transport system protein PhoU	(Aquifex aeolicus ) [TaxId: 63363 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	PhoU-like	8042415	3000081	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	PhoU-like	8003793	3000081	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	PhoU-like	8042415	3000081	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	PhoU-like	8003793	3000081	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	PF01895	e1t8bA3	A: alpha bundles	X: Spectrin repeat-like	H: PhoU-like (Pfam 01895) (From Topology)	T: PhoU-like (Pfam 01895)	F: PF01895	ECOD (1.6)
B	PF01895	e1t8bB3	A: alpha bundles	X: Spectrin repeat-like	H: PhoU-like (Pfam 01895) (From Topology)	T: PhoU-like (Pfam 01895)	F: PF01895	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.58.220	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
B	1.20.58.220	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01895	PhoU domain (PhoU)	PhoU domain	This family contains phosphate regulatory proteins including PhoU. PhoU proteins are known to play a role in the regulation of phosphate uptake. The PhoU domain is composed of a three helix bundle [1]. The PhoU protein contains two copies of this dom ...	This family contains phosphate regulatory proteins including PhoU. PhoU proteins are known to play a role in the regulation of phosphate uptake. The PhoU domain is composed of a three helix bundle [1]. The PhoU protein contains two copies of this domain. The domain binds to an iron cluster via its conserved E/DXXXD motif.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Phosphate transport system protein phoU homolog	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity	phosphate ion homeostasis intracellular phosphate ion homeostasis cellular homeostasis inorganic ion homeostasis chemical homeostasis homeostatic process intracellular chemical homeostasis localization transport phosphate ion transport establishment of localization inorganic anion transport regulation of cellular process cellular biosynthetic process phosphate ion homeostasis intracellular phosphate ion homeostasis cellular homeostasis inorganic ion homeostasis chemical homeostasis homeostatic process intracellular chemical homeostasis localization transport phosphate ion transport establishment of localization inorganic anion transport regulation of cellular process cellular biosynthetic process negative regulation of biological process negative regulation of cellular metabolic process organic substance metabolic process organic substance biosynthetic process negative regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process cellular metabolic process negative regulation of metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process negative regulation of phosphate metabolic process regulation of phosphate metabolic process phosphate-containing compound metabolic process negative regulation of phosphorus metabolic process regulation of phosphorus metabolic process phosphorus metabolic process regulation of localization negative regulation of phosphate transmembrane transport negative regulation of transport regulation of phosphate transport inorganic anion transmembrane transport negative regulation of transmembrane transport regulation of phosphate transmembrane transport regulation of transport phosphate ion transmembrane transport inorganic ion transmembrane transport transmembrane transport negative regulation of inorganic anion transmembrane transport regulation of transmembrane transport regulation of inorganic anion transmembrane transport	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR038078	PhoU-like domain superfamily	Homologous Superfamily
A, B	IPR026022	PhoU domain	Domain
A, B	IPR028366	Phosphate transport system protein PhoU	Family

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.