Annotations: 7KB3

The structure of a sensor domain of a histidine kinase (VxrA) from Vibrio cholerae O1 biovar eltor str. N16961, 2nd form

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
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)
D	SCOP2B Superfamily	VbrK, sensor domain-like	8103592	3002784	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	VbrK, sensor domain-like	8103592	3002784	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	VbrK, sensor domain-like	8103592	3002784	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	VbrK, sensor domain-like	8103592	3002784	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	C2	e7kb3D1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C2	ECOD (v294.2)
C	C2	e7kb3C1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C2	ECOD (v294.2)
B	C2	e7kb3B1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C2	ECOD (v294.2)
A	C2	e7kb3A1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C2	ECOD (v294.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF11884	Domain of unknown function (DUF3404) (DUF3404)	Domain of unknown function (DUF3404)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Sensor histidine kinase	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	-	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR003594	Histidine kinase/HSP90-like ATPase domain	Domain
A, B, C, D	IPR005467	Histidine kinase domain	Domain
A, B, C, D	IPR021821	Histidine kinase VxrA, sensor domain	Domain
A, B, C, D	IPR036097	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain superfamily	Homologous Superfamily
A, B, C, D	IPR049705	Sensor histidine kinase VxrA-like	Family
A, B, C, D	IPR050980	Two-component sensor histidine kinase	Family
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

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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.