Annotations: 3C38

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3c38a_	Alpha and beta proteins (a+b)	Profilin-like	Sensory domain-like	LuxQ-periplasmic domain-like	Autoinducer 2 sensor kinase/phosphatase LuxQ	(Vibrio cholerae ) [TaxId: 666 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	LuxQ-periplasmic domain-like	8082000	4002326	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Sensory domain-like	8082001	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	LuxQ-periplasm	e3c38A1	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: LuxQ-periplasm	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.450.220	Alpha Beta	2-Layer Sandwich	Beta-Lactamase	LuxQ periplasmic domain, N-terminal subdomain	CATH (4.3.0)
A	2.20.20.100	Mainly Beta	Single Sheet	Anthopleurin-A	LuxQ periplasmic domain, C-terminal subdomain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF09308	LuxQ, periplasmic (LuxQ-periplasm)	LuxQ, periplasmic	Members of this family constitute the periplasmic sensor domain of the prokaryotic protein LuxQ, and assume a structure consisting of two tandem Per/ARNT/Simple-minded (PAS) folds [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Autoinducer 2 sensor kinase/phosphatase luxQ	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 phosphoric ester hydrolase activity phosphoprotein phosphatase activity catalytic activity, acting on a protein hydrolase activity, acting on ester bonds phosphatase activity hydrolase activity catalytic activity small molecule sensor activity 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	-	cell periphery plasma membrane membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR043056	LuxQ periplasmic domain, N-terminal subdomain	Homologous Superfamily
A	IPR011006	CheY-like superfamily	Homologous Superfamily
A	IPR004358	Signal transduction histidine kinase-related protein, C-terminal	Domain
A	IPR001789	Signal transduction response regulator, receiver domain	Domain
A	IPR003594	Histidine kinase/HSP90-like ATPase	Domain
A	IPR036097	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain superfamily	Homologous Superfamily
A	IPR029151	Periplasmic sensor-like domain superfamily	Homologous Superfamily
A	IPR036890	Histidine kinase/HSP90-like ATPase superfamily	Homologous Superfamily
A	IPR003661	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain	Domain
A	IPR005467	Histidine kinase domain	Domain
A	IPR015387	LuxQ, periplasmic 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.