Annotations: 5B1O

DHp domain structure of EnvZ P248A mutant

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
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: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d5b1ob_	All alpha proteins	ROP-like	Homodimeric domain of signal transducing histidine kinase	Homodimeric domain of signal transducing histidine kinase	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d5b1oa1	All alpha proteins	ROP-like	Homodimeric domain of signal transducing histidine kinase	Homodimeric domain of signal transducing histidine kinase	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d5b1oa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Homodimeric domain of signal transducing histidine kinase	8037203	3001864	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Homodimeric domain of signal transducing histidine kinase	8037203	3001864	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)
B	PG_binding_1	e5b1oB1	A: alpha arrays	X: F-type ATP synthase subunit b	H: Bacterial cell wall synthesis membrane enzyme MraY-related	T: Bacterial cell wall synthesis membrane enzyme MraY-related	F: PG_binding_1	ECOD (v295.2)
A	PG_binding_1	e5b1oA1	A: alpha arrays	X: F-type ATP synthase subunit b	H: Bacterial cell wall synthesis membrane enzyme MraY-related	T: Bacterial cell wall synthesis membrane enzyme MraY-related	F: PG_binding_1	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.287.130	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Signal transduction histidine kinase, dimerisation/phosphotransfer (DHp) domain	CATH (4.3.0)
A	1.10.287.130	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Signal transduction histidine kinase, dimerisation/phosphotransfer (DHp) domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00512	His Kinase A (phospho-acceptor) domain (HisKA)	His Kinase A (phospho-acceptor) domain	Dimerisation and phospho-acceptor domain of histidine kinases.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Osmolarity sensor protein EnvZ	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity 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 kinase activity protein kinase activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity 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 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 molecular sensor activity phosphorelay sensor kinase activity molecular function regulator 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 response to osmotic stress response to stress response to abiotic stimulus 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 response to osmotic stress response to stress response to abiotic stimulus peptidyl-histidine phosphorylation protein phosphorylation phosphorylation primary metabolic process macromolecule modification phosphate-containing compound metabolic process metabolic process protein metabolic process macromolecule metabolic process protein modification process protein autophosphorylation	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane extracellular region outer membrane-bounded periplasmic space cell envelope periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR004358	Signal transduction histidine kinase-related protein, C-terminal	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	IPR003594	Histidine kinase/HSP90-like ATPase domain	Domain
A, B	IPR005467	Histidine kinase domain	Domain
A, B	IPR050980	Two-component sensor histidine kinase	Family