Annotations: 3N24

The crystal structure of a two-component sensor domain (3rd form) 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)
H	SCOP2B Superfamily	Histidine-containing phosphotransfer domain, HPT domain	8091059	3001634	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Histidine-containing phosphotransfer domain, HPT domain	8091059	3001634	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Histidine-containing phosphotransfer domain, HPT domain	8091059	3001634	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Histidine-containing phosphotransfer domain, HPT domain	8091059	3001634	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Histidine-containing phosphotransfer domain, HPT domain	8091059	3001634	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Histidine-containing phosphotransfer domain, HPT domain	8091059	3001634	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Histidine-containing phosphotransfer domain, HPT domain	8091059	3001634	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Histidine-containing phosphotransfer domain, HPT domain	8091059	3001634	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)
H	Cytochrome_CBB3	e3n24H1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Cytochrome_CBB3	ECOD (v295.2)
G	Cytochrome_CBB3	e3n24G1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Cytochrome_CBB3	ECOD (v295.2)
F	Cytochrome_CBB3	e3n24F1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Cytochrome_CBB3	ECOD (v295.2)
E	Cytochrome_CBB3	e3n24E1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Cytochrome_CBB3	ECOD (v295.2)
D	HCV_NS2	e3n24D1	A: alpha arrays	X: HTH	H: HTH	T: Catalytic domain of hepatitis C virus NS2-3 protease	F: HCV_NS2	ECOD (v295.2)
C	Cytochrome_CBB3	e3n24C1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Cytochrome_CBB3	ECOD (v295.2)
B	HCV_NS2	e3n24B1	A: alpha arrays	X: HTH	H: HTH	T: Catalytic domain of hepatitis C virus NS2-3 protease	F: HCV_NS2	ECOD (v295.2)
A	HCV_NS2	e3n24A1	A: alpha arrays	X: HTH	H: HTH	T: Catalytic domain of hepatitis C virus NS2-3 protease	F: HCV_NS2	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
H	1.20.120.880	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Histidine kinase (KinB), sensor domain	CATH (4.3.0)
G	1.20.120.880	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Histidine kinase (KinB), sensor domain	CATH (4.3.0)
F	1.20.120.880	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Histidine kinase (KinB), sensor domain	CATH (4.3.0)
E	1.20.120.880	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Histidine kinase (KinB), sensor domain	CATH (4.3.0)
D	1.20.120.880	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Histidine kinase (KinB), sensor domain	CATH (4.3.0)
C	1.20.120.880	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Histidine kinase (KinB), sensor domain	CATH (4.3.0)
B	1.20.120.880	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Histidine kinase (KinB), sensor domain	CATH (4.3.0)
A	1.20.120.880	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Histidine kinase (KinB), sensor domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H	PF16767	Sensor domain of alginate biosynthesis sensor protein KinB (KinB_sensor)	Sensor domain of alginate biosynthesis sensor protein KinB	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H	Sensor protein	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 phosphoric ester hydrolase activity hydrolase activity, acting on ester bonds phosphatase activity hydrolase activity	-	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR000014	PAS domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR038320	KinB, N-terminal domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR004358	Signal transduction histidine kinase-related protein, C-terminal	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR013656	PAS fold 4	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR036097	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR003660	HAMP domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR036890	Histidine kinase/HSP90-like ATPase superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR003661	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR035965	PAS domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR003594	Histidine kinase/HSP90-like ATPase domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR031909	Alginate biosynthesis sensor protein KinB, sensor domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR005467	Histidine kinase domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR050980	Two-component 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.