Annotations: 3O1I

Crystal Structure of the TorS sensor domain - TorT complex in the absence of ligand

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
B	SCOP2 Family	Histidine kinase TorS, sensory domain - like	8018637	4004019	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Chemoreceptors, ligand-binding domain	8018639	3001511	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Chemoreceptors, ligand-binding domain	8018638	3001511	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Chemoreceptors, ligand-binding domain	8018638	3001511	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Chemoreceptors, ligand-binding domain	8018638	3001511	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Chemoreceptors, ligand-binding domain	8018639	3001511	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)
D [auth C]		e3o1iC1	A: alpha arrays	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F:	ECOD (v295.2)
C [auth D]		e3o1iD1	A: alpha arrays	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F:	ECOD (v295.2)
B	Ldl_recept_a	e3o1iB3	A: alpha arrays	X: RuvA-C	H: post-HMGL domain-like	T: post-HMGL domain-like	F: Ldl_recept_a	ECOD (v295.2)
B	Ribosomal_L19e_C	e3o1iB2	A: alpha arrays	X: Ribosomal protein L19 (L19e) C-terminal domain	H: Ribosomal protein L19 (L19e) C-terminal domain	T: Ribosomal protein L19 (L19e) C-terminal domain	F: Ribosomal_L19e_C	ECOD (v295.2)
A	Ldl_recept_a	e3o1iA3	A: alpha arrays	X: RuvA-C	H: post-HMGL domain-like	T: post-HMGL domain-like	F: Ldl_recept_a	ECOD (v295.2)
A	Ribosomal_L19e_C	e3o1iA2	A: alpha arrays	X: Ribosomal protein L19 (L19e) C-terminal domain	H: Ribosomal protein L19 (L19e) C-terminal domain	T: Ribosomal protein L19 (L19e) C-terminal domain	F: Ribosomal_L19e_C	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D [auth C]	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
C [auth D]	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)
B	1.20.58.920	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
A	1.20.58.920	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth D], D [auth C]	Periplasmic protein TorT	-	-	cellular anatomical structure cell envelope
A, B	Sensor protein TorS	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 identical protein binding protein 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 identical protein binding protein binding binding	-	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth D], D [auth C]	IPR028082	Periplasmic binding protein-like I	Homologous Superfamily
C [auth D], D [auth C]	IPR001761	Periplasmic binding protein/LacI sugar binding domain	Domain
C [auth D], D [auth C]	IPR014301	Periplasmic protein TorT	Family
A, B	IPR038188	TorS, sensor domain superfamily	Homologous Superfamily
A, B	IPR037952	Sensor histidine kinase TorS, sensor domain	Domain
A, B	IPR011006	CheY-like superfamily	Homologous Superfamily
A, B	IPR004358	Signal transduction histidine kinase-related protein, C-terminal	Domain
A, B	IPR001789	Signal transduction response regulator, receiver domain	Domain
A, B	IPR036097	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain superfamily	Homologous Superfamily
A, B	IPR003660	HAMP domain	Domain
A, B	IPR036890	Histidine kinase/HSP90-like ATPase superfamily	Homologous Superfamily
A, B	IPR003661	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain	Domain
A, B	IPR014302	Signal transduction histidine kinase, TMAO sensor TorS	Family
A, B	IPR003594	Histidine kinase/HSP90-like ATPase domain	Domain
A, B	IPR005467	Histidine kinase domain	Domain
A, B	IPR036641	HPT domain superfamily	Homologous Superfamily
A, B	IPR008207	Signal transduction histidine kinase, phosphotransfer (Hpt) domain	Domain

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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.