Annotations: 1FWP

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1fwpa_	Alpha and beta proteins (a+b)	Ferredoxin-like	CheY-binding domain of CheA	CheY-binding domain of CheA	CheY-binding domain of CheA	(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)
A	SCOP2B Superfamily	CheY-binding domain of CheA	8035541	3001231	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)
A	PF09078	e1fwpA1	A: a+b two layers	X: Alpha-beta plaits	H: CheY-binding domain of CheA (From Topology)	T: CheY-binding domain of CheA	F: PF09078	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.70.400	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	CheY-binding domain of CheA	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF09078	CheY binding (CheY-binding)	CheY binding	Members of this family adopt a secondary structure consisting of an open-face beta/alpha sandwich, with four antiparallel beta-strands and two alpha-helices. They bind to a corresponding domain on CheY, with subsequent phosphorylation of the CheY Asp ...	Members of this family adopt a secondary structure consisting of an open-face beta/alpha sandwich, with four antiparallel beta-strands and two alpha-helices. They bind to a corresponding domain on CheY, with subsequent phosphorylation of the CheY Asp57 residue, and activation of CheY, which then affects flagellar rotation [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	CHEA	catalytic activity, acting on a protein 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 catalytic activity binding adenyl ribonucleotide binding nucleotide binding catalytic activity, acting on a protein 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 catalytic activity 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	cell swimming cellular process bacterial-type flagellum-dependent cell motility bacterial-type flagellum-dependent swimming motility cell motility archaeal or bacterial-type flagellum-dependent cell motility cilium or flagellum-dependent cell motility regulation of protein modification process positive regulation of protein metabolic process positive regulation of biological process positive regulation of post-translational protein modification regulation of primary metabolic process positive regulation of metabolic process positive regulation of protein modification process cell swimming cellular process bacterial-type flagellum-dependent cell motility bacterial-type flagellum-dependent swimming motility cell motility archaeal or bacterial-type flagellum-dependent cell motility cilium or flagellum-dependent cell motility regulation of protein modification process positive regulation of protein metabolic process positive regulation of biological process positive regulation of post-translational protein modification regulation of primary metabolic process positive regulation of metabolic process positive regulation of protein modification process organic substance metabolic process positive regulation of macromolecule metabolic process protein metabolic process protein modification process regulation of biological process organonitrogen compound metabolic process regulation of post-translational protein modification regulation of protein metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process macromolecule modification metabolic process macromolecule metabolic process post-translational protein modification regulation of metabolic process chemotaxis response to stimulus regulation of response to external stimulus response to external stimulus regulation of chemotaxis taxis regulation of response to stimulus response to chemical regulation of locomotion locomotion aerotaxis energy taxis negative regulation of metabolic process negative regulation of biological process negative regulation of protein modification process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process regulation of bacterial-type flagellum-dependent cell motility regulation of cell motility regulation of cellular process cellular response to stimulus signaling signal transduction cell communication localization cellular localization establishment of localization in cell establishment of localization phosphorelay signal transduction system intracellular signal transduction phosphorylation cellular metabolic process phosphate-containing compound metabolic process phosphorus metabolic process thermotaxis response to abiotic stimulus response to temperature stimulus	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol cell periphery plasma membrane membrane protein-containing complex methyl accepting chemotaxis protein complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR037006	Histidine kinase CheA-like, homodimeric domain superfamily	Homologous Superfamily
A	IPR003594	Histidine kinase/HSP90-like ATPase	Domain
A	IPR036061	CheW-like domain superfamily	Homologous Superfamily
A	IPR036890	Histidine kinase/HSP90-like ATPase superfamily	Homologous Superfamily
A	IPR002545	CheW-like domain	Domain
A	IPR008207	Signal transduction histidine kinase, phosphotransfer (Hpt) domain	Domain
A	IPR035891	CheY-binding domain of CheA	Homologous Superfamily
A	IPR004358	Signal transduction histidine kinase-related protein, C-terminal	Domain
A	IPR004105	Histidine kinase CheA-like, homodimeric domain	Domain
A	IPR036097	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain superfamily	Homologous Superfamily
A	IPR015162	CheY binding	Domain
A	IPR005467	Histidine kinase domain	Domain
A	IPR036641	HPT domain superfamily	Homologous Superfamily

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 R01GM133198.