Annotations: 3KYZ

The crystal structure of the sensor domain of two-component sensor PfeS from Pseudomonas aeruginosa PA01

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	PfeS domain-like	8046091	4004870	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Sensory domain-like	8092840	3001802	SCOP2 (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	HK_sensor	e3kyzA1	A: beta barrels	X: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	H: Inner layer core protein p3-related	T: Inner layer core protein p3-related	F: HK_sensor	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.450.170	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	Two-component histidine kinase, sensor domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF16750	Sensor domain of 2-component histidine kinase (HK_sensor)	Sensor domain of 2-component histidine kinase	HK_sensor is the sensor domain found at the N-terminus of the integral membrane two-component system sensor histidine kinase proteins in bacteria.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Sensor protein pfeS	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding molecular sensor activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity phosphotransferase activity, nitrogenous group as acceptor phosphotransferase activity, alcohol group as acceptor protein histidine kinase activity transferase activity, transferring phosphorus-containing groups phosphorelay sensor kinase activity molecular function regulator activity catalytic activity	cellular response to stimulus regulation of biological process phosphorelay signal transduction system regulation of cellular process response to stimulus signaling biological regulation intracellular signal transduction cell communication cellular process signal transduction	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR031930	Two-component histidine kinase, sensor domain	Domain
A	IPR004358	Signal transduction histidine kinase-related protein, C-terminal	Domain
A	IPR036097	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain superfamily	Homologous Superfamily
A	IPR003660	HAMP domain	Domain
A	IPR036890	Histidine kinase/HSP90-like ATPase superfamily	Homologous Superfamily
A	IPR003661	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain	Domain
A	IPR003594	Histidine kinase/HSP90-like ATPase domain	Domain
A	IPR005467	Histidine kinase domain	Domain
A	IPR038428	Two-component histidine kinase, sensor domain superfamily	Homologous Superfamily
A	IPR050428	Two-component system sensor histidine kinase	Family

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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.