Annotations: 5KU5

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF21085	e5ku5A1	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PF21085	ECOD (1.6)
B	PF21085	e5ku5B1	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PF21085	ECOD (1.6)
C	PF21085	e5ku5C1	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PF21085	ECOD (1.6)
D	PF21085	e5ku5D1	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: PF21085	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF21085	CusS sensor domain (CusS)	CusS sensor domain	This entry represents a periplasmic sensor domain found in CusS from E. coli [1]. The overall structure of the domain shows a PAS like topology.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Sensor kinase CusS	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity phosphotransferase activity, nitrogenous group as acceptor phosphotransferase activity, alcohol group as acceptor protein histidine kinase activity transferase activity, transferring phosphorus-containing groups small molecule sensor activity phosphorelay sensor kinase activity cation binding metal ion binding	cellular response to stimulus cellular response to inorganic substance response to copper ion cellular response to metal ion response to stimulus response to inorganic substance cellular response to chemical stimulus response to metal ion response to chemical cellular process cellular response to copper ion response to silver ion cellular response to silver ion regulation of biological process cellular response to stimulus cellular response to inorganic substance response to copper ion cellular response to metal ion response to stimulus response to inorganic substance cellular response to chemical stimulus response to metal ion response to chemical cellular process cellular response to copper ion response to silver ion cellular response to silver ion regulation of biological process phosphorelay signal transduction system regulation of cellular process signaling biological regulation intracellular signal transduction cell communication signal transduction phosphorylation cellular metabolic process phosphate-containing compound metabolic process metabolic process phosphorus metabolic process	membrane cellular anatomical entity cell periphery plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR004358	Signal transduction histidine kinase-related protein, C-terminal	Domain
A, B, C, D	IPR003594	Histidine kinase/HSP90-like ATPase	Domain
A, B, C, D	IPR036097	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain superfamily	Homologous Superfamily
A, B, C, D	IPR003660	HAMP domain	Domain
A, B, C, D	IPR048590	CusS-like sensor domain	Domain
A, B, C, D	IPR036890	Histidine kinase/HSP90-like ATPase superfamily	Homologous Superfamily
A, B, C, D	IPR003661	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain	Domain
A, B, C, D	IPR006290	Heavy metal sensor kinase	Family
A, B, C, D	IPR005467	Histidine kinase domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.