1T8B | pdb_00001t8b

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)
B	d1t8bb_	All alpha proteins	Spectrin repeat-like	PhoU-like	PhoU-like	Phosphate transport system protein PhoU	(Aquifex aeolicus ) [TaxId: 63363 ],	SCOPe (2.08)
A	d1t8ba_	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)
B	SCOP2B Superfamily	PhoU-like	8042415	3000081	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	PhoU-like	8003793	3000081	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	PhoU-like	8042415	3000081	SCOP2B (2022-06-29)
A	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)
B	PhoU	e1t8bB3	A: alpha bundles	X: Spectrin repeat-like	H: PhoU-like (Pfam 01895) (From Topology)	T: PhoU-like (Pfam 01895)	F: PhoU	ECOD (1.6)
A	PhoU	e1t8bA3	A: alpha bundles	X: Spectrin repeat-like	H: PhoU-like (Pfam 01895) (From Topology)	T: PhoU-like (Pfam 01895)	F: PhoU	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.20.58.220	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
A	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 biosynthetic process regulation of biological 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 biosynthetic process regulation of biological process regulation of cellular process negative regulation of metabolic process biological regulation negative regulation of biological process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of cellular process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process negative regulation of macromolecule metabolic process negative regulation of phosphate metabolic process negative regulation of phosphorus metabolic process phosphate-containing compound metabolic process regulation of phosphorus metabolic process phosphorus metabolic process regulation of phosphate transmembrane transport regulation of localization regulation of transport phosphate ion transmembrane transport negative regulation of phosphate transmembrane transport negative regulation of transport regulation of phosphate transport negative regulation of transmembrane transport transmembrane transport regulation of transmembrane transport	cellular anatomical structure intracellular anatomical structure cytoplasm

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	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 R01GM157729.